{"title":"Safety Door \u0026 Interlock Switches","description":"\u003cp\u003eBrowse safety door, guard-lock and non-contact interlock switches by exact model.\u003c\/p\u003e\u003cp\u003eCompare the listed contacts, conduit or cable connection, and actuator requirements for your equipment.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/collections\/safety-switch-operation-keys\"\u003eOperation keys\u003c\/a\u003e · \u003ca href=\"\/collections\/switches\"\u003eShop Switches\u003c\/a\u003e · \u003ca href=\"\/pages\/model-directory\"\u003eFind parts by model\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"euchner-tp4-537a024m-084339-ac-dc-24-v-actuator-needs-to-be-ordered-separately-electrical-guard-lock-guard-lock-monitoring-locking-open-circuit-current-safety-switch-slow-action-sw","title":"EUCHNER TP4-537A024M (084339) Guard-Locking Safety Switch, 24 VAC\/DC, Actuator Sold Separately","description":"\u003cp\u003e\u003cstrong\u003eEUCHNER TP4-537A024M (order number 084339)\u003c\/strong\u003e is a guard-locking safety switch with a 24 V AC\/DC solenoid. \u003cstrong\u003eActuator sold separately.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eModel and selection details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e TP4-537A024M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder number:\u003c\/strong\u003e 084339\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocking principle:\u003c\/strong\u003e Power on to lock; interruption of solenoid power releases the guard by spring force.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitoring:\u003c\/strong\u003e One guard-lock monitoring contact and one NC door-position contact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable entries:\u003c\/strong\u003e 3 x M20 x 1.5.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMatch the complete model, solenoid voltage, actuator and locking principle to your machine requirements before ordering.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.euchner.com\/en-us\/a\/084339\/\"\u003eManufacturer specifications and actuator options\u003c\/a\u003e\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261339046136,"sku":"WCS-VHTDQNK454","price":314.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/616Ko7Gn-_L._SL1024_b1a64d2a-d360-4768-ab0f-0da0e16170b4.jpg?v=1790787008"},{"product_id":"tp4-4141a024m-084275","title":"EUCHNER TP4-4141A024M (084275) Guard-Locking Safety Switch","description":"\u003cp\u003e\u003cstrong\u003eTP4-4141A024M (084275)\u003c\/strong\u003e guard-locking safety switch with door-monitoring contacts and a 24 V AC\/DC solenoid.\u003c\/p\u003e\n\u003ch3\u003eModel details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e TP4-4141A024M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder reference:\u003c\/strong\u003e 084275\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolenoid supply:\u003c\/strong\u003e 24 V AC\/DC, +10% \/ -15%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuard locking:\u003c\/strong\u003e power to lock; spring release when solenoid power is removed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching element:\u003c\/strong\u003e 4141, slow-action contacts; 2 NC for guard locking and 2 NC for door monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproach direction:\u003c\/strong\u003e horizontal or vertical, adjustable in 90-degree steps; increased horizontal overtravel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary release:\u003c\/strong\u003e tool-operated, protected against tampering by sealing lacquer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.euchner.com\/en-us\/a\/084275\/\" target=\"_blank\" rel=\"noopener\"\u003eTP4-4141A024M \/ 084275 manufacturer model reference\u003c\/a\u003e\u003c\/p\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":50261339275512,"sku":"WCS-VHTDQNP14O","price":327.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/514VBFTEjGL.jpg?v=1790765697"},{"product_id":"order-no-084347","title":"TP3 Safety Switch - Confirm Supplied Model","description":"\u003cp\u003e\u003cstrong\u003eModel confirmation required before ordering:\u003c\/strong\u003e This listing refers to both TP3-537K024M and TP3-537C024MC1844. The exact supplied model, contacts and included actuator have not been confirmed. Do not assume the two part numbers are interchangeable; confirm them for the intended safety application.\u003c\/p\u003e\u003cp\u003eThe following legacy details refer to the TP3-537K024M manufacturer reference and are not verification of the supplied item:\u003c\/p\u003e\u003cp\u003eCan be adjusted in 90° steps Increased overtravel for horizontal and vertical approach direction. Solenoid operating voltage AC\/DC 24 V +10%, -15% Guard locking type TP3Closed-circuit current principle, guard locking by spring force. Release by applying voltage to the guard locking solenoid. Switching element 537Slow-action switching contact 1 NC + 1 NC (door monitoring contact) Auxiliary release Is used for releasing the guard locking with the aid of a tool. To protect against tampering, the auxiliary release is sealed with sealing lacquer.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSafety switch TP, with door monitoring contact, increased vertical overtravel\u003c\/li\u003e\n\u003cli\u003eAuxiliary release on the front\u003c\/li\u003e\n\u003cli\u003eWith door monitoring contact\u003c\/li\u003e\n\u003cli\u003eIncreased overtravel for horizontal and vertical approach direction.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.euchner.com\/en-us\/products\/electromechanical-safety-switches-with-guard-locking\/safety-switch-with-guard-locking-and-guard-lock-monitoring-tp\/tp3-537k024m\/\" target=\"_blank\" rel=\"noopener\"\u003eEUCHNER TP3-537K024M \/ order 084347 manufacturer reference\u003c\/a\u003e. The manufacturer reference does not verify the supplied item or package contents.\u003c\/p\u003e","brand":"EUCHNER","offers":[{"title":"Default Title","offer_id":50261353955576,"sku":"WCS-VHTDQWFOC8","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/31ZIOIC1VUL.jpg?v=1790765496"},{"product_id":"1nc-1no-safety-interlock-switch-ip-67-pack-of-2","title":"1NC\/1NO Safety Interlock Switch IP 67, Pack of 2","description":"\u003cp\u003e\u003cstrong\u003eSafety interlock switch with 1NC\/1NO contacts\u003c\/strong\u003e, supplied as a pack of 2.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Safety interlock switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact configuration:\u003c\/strong\u003e 1 normally closed (NC) and 1 normally open (NO)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack contents:\u003c\/strong\u003e 2 safety interlock switches\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261419688184,"sku":"WCS-VHTDRZKJY0","price":38.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/310iDRlO6WL.jpg?v=1790764783"},{"product_id":"d4nl-1dfa-bs-1-ma-24-vdc-240-vac-3-amp-guard-lock-safety-door-switch","title":"D4NL-1DFA-BS Interlock Switch - Confirm Model and Ratings","description":"\u003cp\u003e\u003cstrong\u003eModel and system confirmation required.\u003c\/strong\u003e Listing reference: D4NL-1DFA-BS. The manufacturer, complete part marking, included actuator and ratings of the supplied item have not been independently verified. Confirm the number of units and included components before ordering.\u003c\/p\u003e\u003cp\u003eThe manufacturer reference lists a 24 V solenoid; the solenoid supply and contact circuit ratings are different specifications. Confirm the actual supplied model, actuator, supply and contact ratings before ordering.\u003c\/p\u003e\u003cp\u003eA qualified person must assess the complete system, installation and applicable certification. Manufacturer specifications describe the reference model, not proof of the item supplied here.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/industrial.omron.co.uk\/en\/products\/D4NL-1DFA-BS\" target=\"_blank\" rel=\"noopener\"\u003eOmron D4NL-1DFA-BS model reference\u003c\/a\u003e\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261440332024,"sku":"WCS-VHTDSBV0U0","price":57.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/51H0Zca6tyL.jpg?v=1790765004"},{"product_id":"xcsdmc5902","title":"XCSDMC5902 Magnetic Safety Interlock Switch, 1NO + 1NC, 2 m Cable","description":"\u003cp\u003e\u003cstrong\u003eXCSDMC5902\u003c\/strong\u003e is a compact coded magnetic safety switch for monitoring machine guards. Its non-contact design uses staggered 1NC + 1NO contacts and a pre-wired 2 m cable.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ part:\u003c\/strong\u003e XCSDMC5902.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e coded magnetic safety interlock switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContacts:\u003c\/strong\u003e 1NC + 1NO, staggered operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated operational voltage:\u003c\/strong\u003e 24VDC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e 2 m pre-wired cable, 4 × 0.25 mm² conductors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody dimensions:\u003c\/strong\u003e 51 × 16 × 7 mm; plastic housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack contents:\u003c\/strong\u003e 1 magnetic safety switch unit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/telemecaniquesensors.com\/global\/en\/product\/reference\/XCSDMC5902\" target=\"_blank\" rel=\"noopener\"\u003eXCSDMC5902 technical reference\u003c\/a\u003e\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261446066424,"sku":"WCS-VHTDSF9XIW","price":61.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/51pXAhGk58L.jpg?v=1790765755"},{"product_id":"az-16-02zvrk-m16","title":"AZ 16-02ZVRK-M16 Interlock Switch - Confirm Model and Ratings","description":"\u003cp\u003e\u003cstrong\u003eModel and system confirmation required.\u003c\/strong\u003e Listing reference: AZ 16-02ZVRK-M16. The manufacturer, complete part marking, included actuator and ratings of the supplied item have not been independently verified. Listed quantity: one switch.\u003c\/p\u003e\u003cp\u003eThe manufacturer reference identifies separate actuators and two normally closed contacts. Confirm the included components and actual part marking; suitability for any safety function must be validated for the complete system.\u003c\/p\u003e\u003cp\u003eA qualified person must assess the complete system, installation and applicable certification. Manufacturer specifications describe the reference model, not proof of the item supplied here.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/products.schmersal.com\/en_IO\/az-16-02zvrk-m16-101147145\" target=\"_blank\" rel=\"noopener\"\u003eSchmersal AZ 16-02ZVRK-M16 model reference\u003c\/a\u003e\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261446328568,"sku":"WCS-VHTDSFFJSO","price":104.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/517SaGX-VRL.jpg?v=1790764882"},{"product_id":"d40a-1c5","title":"D40A-1C5 Non-Contact Door Switch - Confirm Actuator Contents","description":"\u003cp\u003e\u003cstrong\u003eD40A-1C5 non-contact switch listing.\u003c\/strong\u003e Whether an actuator is included with the item supplied here has not been verified. The actual manufacturer, full model, cable and supplied contents should be confirmed before ordering.\u003c\/p\u003e\u003cp\u003eThe manufacturer reference describes a 24 V DC switch used with a matching actuator and an appropriate safety controller. The reference does not establish the configuration or certification of this offered item.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCheck your controller and cable length.\u003c\/strong\u003e D40A-1C5 is the 5 m cable version. The manufacturer specifies use with a G9SX-NS series non-contact door-switch controller or a G9SP safety controller; this switch is not a complete standalone safety system. Confirm the exact controller, designated actuator and installation requirements before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.ia.omron.com\/products\/family\/1832\/lineup.html\"\u003eManufacturer selection reference\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/model-check?model=D40A-1C5+Non-Contact+Safety+Door+Switch+with+Actuator%2C+24+VDC+%2F+SKU%3A+WCS-VHTDSSWV08\u0026amp;search=WCS-VHTDSSWV08\u0026amp;product_url=%2Fproducts%2Fd40a-1c5%3Fvariant%3D50261468971256\"\u003eSend your model label or system photo for a check\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eSelection and application reference:\u003c\/h3\u003e\u003cp\u003eThe OMRON reference model requires a specified compatible safety controller, and uses a matching switch and actuator. Verify the actual items supplied, controller, cable and safety design with qualified personnel; this reference does not confirm certification or compatibility of the offered item.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/files.omron.eu\/downloads\/latest\/datasheet\/en\/c140_d40a_g9sx-ns_non-contact_door_switch_flexible_safety_unit_datasheet_en.pdf?v=1\" target=\"_blank\" rel=\"noopener\"\u003eOMRON D40A-1C5 manufacturer reference (PDF)\u003c\/a\u003e. This reference does not verify the supplied item.\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261468971256,"sku":"WCS-VHTDSSWV08","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/51W5-PGBCgL.jpg?v=1790764968"},{"product_id":"d40a-1c2","title":"D40A-1C2 Non-Contact Safety Door Interlock Switch, 24 V DC, 1 pc","description":"\u003cp\u003eD40A-1C2 non-contact safety door interlock switch for machine guards and industrial doors. Match the complete model, cable length and connected controller before ordering.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; line-height: 1.35;\"\u003eModel details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e D40A-1C2, standard pre-wired version with 2 m cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply:\u003c\/strong\u003e 24 V DC; maximum power consumption 0.6 W.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetection:\u003c\/strong\u003e Non-contact electronic detection with a designated actuator.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; line-height: 1.35;\"\u003eController compatibility\u003c\/h2\u003e\n\u003cp\u003eThis switch is not a standalone safety controller. The manufacturer's selection guide specifies use with a G9SX-NS-series non-contact door switch controller or a G9SP safety controller and the designated actuator. Match the complete controller model and manufacturer's instructions; a general-purpose PLC input is not an equivalent safety connection.\u003c\/p\u003e\n\u003cp\u003eD40A-1C5 is the 5 m cable version; D40A-1C015-F is a connector version. These suffixes identify different connection options, not interchangeable order codes. Have a qualified installer confirm the complete guard-safety system before use.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.ia.omron.com\/products\/family\/1832\/lineup.html\"\u003eD40A model and controller selection\u003c\/a\u003e | \u003ca href=\"https:\/\/www.ia.omron.com\/products\/family\/1832\/specification.html\"\u003eD40A specifications\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eSelection and application reference:\u003c\/h3\u003e\u003cp\u003eThe OMRON reference model requires a specified compatible safety controller, and uses a matching switch and actuator. Verify the actual items supplied, controller, cable and safety design with qualified personnel; this reference does not confirm certification or compatibility of the offered item.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/files.omron.eu\/downloads\/latest\/datasheet\/en\/c140_d40a_g9sx-ns_non-contact_door_switch_flexible_safety_unit_datasheet_en.pdf?v=1\" target=\"_blank\" rel=\"noopener\"\u003eOMRON D40A-1C2 manufacturer reference (PDF)\u003c\/a\u003e. This reference does not verify the supplied item.\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261469036792,"sku":"WCS-VHTDSSY9KO","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/51W5-PGBCgL_13592f0a-e942-483b-93b1-e3844f64c935.jpg?v=1790764968"},{"product_id":"d40z-1c5","title":"D40Z-1C5 Non-Contact Safety Door Switch, 24 VDC, Compact, 1 Count","description":"\u003cp\u003e\u003cstrong\u003eD40Z-1C5 non-contact door switch listing.\u003c\/strong\u003e The actual supplied model, actuator, cable and safety suitability have not been independently verified. Listed quantity: one switch. Confirm the complete model, included components and intended system before ordering.\u003c\/p\u003e\u003ch3\u003eManufacturer model reference\u003c\/h3\u003e\u003cp\u003eThe D40Z lineup lists D40Z-1C5 with a 5 m cable and D40Z-1C2 with a 2 m cable. The family is used with a G9SP Safety Controller or G9SX-NS non-contact door switch controller.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.omron-ap.com\/products\/family\/2989\/lineup.html\" target=\"_blank\" rel=\"noopener\"\u003eD40Z model and cable-length reference\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eSelection reference:\u003c\/h3\u003e\u003cp\u003eMatch the complete model and cable length, confirm the required controller and actuator, and validate the actual safety application.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/files.omron.eu\/downloads\/latest\/datasheet\/en\/c145_d40z_datasheet_en.pdf\" target=\"_blank\" rel=\"noopener\"\u003eOMRON D40Z-1C5 manufacturer model reference (PDF)\u003c\/a\u003e. This reference does not verify the supplied item.\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261469069560,"sku":"WCS-VHTDSSYYUW","price":244.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/51W5-PGBCgL_1f7e0f1b-c849-4b0c-aaf3-3945ca0cb3e0.jpg?v=1790764969"},{"product_id":"d40z-1c2","title":"D40Z-1C2 Non-Contact Door Switch - Confirm Contents, 1 Unit","description":"\u003cp\u003e\u003cstrong\u003eModel, contents and safety application confirmation required.\u003c\/strong\u003e D40Z-1C2 is the listed model. The supplied manufacturer, switch, actuator, cable and ratings have not been independently verified. The listing quantity is one unit; this does not confirm that a matching actuator or controller is included.\u003c\/p\u003e\u003cp\u003eOmron lists its D40Z-1C2 reference as a non-contact door switch\/actuator with a 2 m cable, used in combination with a specified G9SP or G9SX-NS controller. The linked reference does not verify the supplied item or its compatibility. Before ordering, confirm the full marking, included parts, controller, wiring and cable; a qualified person must validate the complete safety function and applicable certification before use.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/assets.omron.eu\/downloads\/latest\/datasheet\/en\/c145_d40z_datasheet_en.pdf\" target=\"_blank\" rel=\"noopener\"\u003eOmron D40Z non-contact door switch selection data sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261469135096,"sku":"WCS-VHTDST0DFC","price":200.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/51W5-PGBCgL_85a859de-402c-4ae0-87e1-f67dd7a053de.jpg?v=1790764968"},{"product_id":"d4ns-1af","title":"Safety Door Switch D4NS-1AF (1 NC + 1 NO) - 1 Piece Replacement for D4NS Series","description":"\u003cp\u003eThis listing is for one D4NS-1AF safety door switch (contact configuration: 1 NC + 1 NO). Sold as a single switch; refer to the photos for model markings, terminal arrangement, and mounting features.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eModel: D4NS-1AF safety door switch with one normally closed (NC) and one normally open (NO) contact (1 NC + 1 NO).\u003c\/li\u003e\n\u003cli\u003eFunction: Designed for safety interlock and door\/guard monitoring in industrial equipment that accepts D4NS-series switches.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eModel selection\u003c\/h3\u003e\u003cp\u003eThe manufacturer table lists this reference with 1NC\/1NO contacts and Pg13.5 conduit. Operation keys are listed separately; whether a key is included with this offered item is not verified. Have a qualified person verify the actual device and safety design. Match the complete model, actuator, wiring and electrical rating before ordering. This reference does not verify the supplied item or compatibility.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/files.omron.eu\/downloads\/latest\/datasheet\/en\/c128_d4ns_safety-door_switch_datasheet_en.pdf?v=1\" target=\"_blank\" rel=\"noopener\"\u003eManufacturer D4NS model selection reference (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261469561080,"sku":"WCS-VHTDST9I48","price":43.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/51eDdWO9Q8L.jpg?v=1790765004"},{"product_id":"d4ns-1bf","title":"D4NS-1BF Safety Door Interlock Switch, 2NC, 1 Unit","description":"\u003cp\u003eD4NS-1BF key-operated safety-door interlock switch for door-position monitoring. This offer contains one switch.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eModel: D4NS-1BF.\u003c\/li\u003e\n\u003cli\u003eContact arrangement: Two normally closed contacts (2NC).\u003c\/li\u003e\n\u003cli\u003eFunction: Door-position monitoring; non-locking interlock type.\u003c\/li\u003e\n\u003cli\u003ePackage contents: One safety-door switch.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eModel selection\u003c\/h3\u003e\u003cp\u003eThe manufacturer table lists this reference with 2NC contacts and Pg13.5 conduit. Operation keys are listed separately; whether a key is included with this offered item is not verified. Have a qualified person verify the actual device and safety design. Match the complete model, actuator, wiring and electrical rating before ordering. This reference does not verify the supplied item or compatibility.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/files.omron.eu\/downloads\/latest\/datasheet\/en\/c128_d4ns_safety-door_switch_datasheet_en.pdf?v=1\" target=\"_blank\" rel=\"noopener\"\u003eManufacturer D4NS model selection reference (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261469593848,"sku":"WCS-VHTDSTA7EG","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/51eDdWO9Q8L_a62e54c2-5d9d-4526-92dd-ff918be191f7.jpg?v=1790765005"},{"product_id":"d4ns-4bf","title":"Safety Door Switch D4NS-4BF (2 NC, Slow-Action) - M20 Conduit - 1 Count","description":"\u003cp\u003eD4NS-4BF safety door interlock switch with 2 NC slow-action contacts, supplied as 1 switch for safety-door monitoring and interlock circuits.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExact model: D4NS-4BF safety door switch - matches D4NS product family and model marking.\u003c\/li\u003e\n\u003cli\u003eContact configuration: 2 NC (two normally-closed) slow-action contacts for safety-door monitoring.\u003c\/li\u003e\n\u003cli\u003eInstallation: M20 conduit size; plastic head with up to four mounting orientations for flexible mounting.\u003c\/li\u003e\n\u003cli\u003ePackage: Sold as a single unit (1 count). Includes the switch only; no additional accessories are implied.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.ia.omron.com\/products\/family\/1465\/lineup.html\" rel=\"noopener\" target=\"_blank\"\u003eD4NS manufacturer model reference\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eSelection and application reference:\u003c\/h3\u003e\u003cp\u003eThe OMRON reference lists operation keys separately; confirm whether a key is included, as well as the contact configuration and conduit thread. Verify the actual supplied item and safety design with qualified personnel; this reference does not confirm certification or compatibility.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/files.omron.eu\/downloads\/latest\/datasheet\/en\/c128_d4ns_safety-door_switch_datasheet_en.pdf?v=1\" target=\"_blank\" rel=\"noopener\"\u003eOMRON D4NS-4BF manufacturer reference (PDF)\u003c\/a\u003e. This reference does not verify the supplied item.\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261469659384,"sku":"WCS-VHTDSTBLYW","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/51eDdWO9Q8L_f5e5cd86-83e2-4eb2-88c9-fbcd06975291.jpg?v=1790765007"},{"product_id":"d4ns-2af","title":"D4NS-2AF Safety Door Switch (D4NS Series) - 1 pc, 1 NC + 1 NO","description":"\u003cp\u003e\u003cstrong\u003eD4NS-2AF safety door \/ interlock switch\u003c\/strong\u003e from the D4NS series, supplied as one unit with 1 NC + 1 NO contacts.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e D4NS-2AF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact configuration:\u003c\/strong\u003e 1 normally closed (NC) + 1 normally open (NO)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage quantity:\u003c\/strong\u003e 1 × D4NS-2AF safety door switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Safety interlock and door-guard detection in industrial enclosures, machine guards and access doors where a D4NS-series switch is specified\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eManufacturer model reference\u003c\/h3\u003e\u003cp\u003eD4NS-2AF is the single-conduit, G1\/2 version with slow-action 1 NC + 1 NO contacts in the D4NS model table.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.omron-ap.com\/products\/family\/1465\/lineup.html\" target=\"_blank\" rel=\"noopener\"\u003eD4NS contact configuration and conduit reference\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eSelection and application reference:\u003c\/h3\u003e\u003cp\u003eThe OMRON reference lists operation keys separately; confirm whether a key is included, as well as the contact configuration and conduit thread. Verify the actual supplied item and safety design with qualified personnel; this reference does not confirm certification or compatibility.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/files.omron.eu\/downloads\/latest\/datasheet\/en\/c128_d4ns_safety-door_switch_datasheet_en.pdf?v=1\" target=\"_blank\" rel=\"noopener\"\u003eOMRON D4NS-2AF manufacturer reference (PDF)\u003c\/a\u003e. This reference does not verify the supplied item.\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261469724920,"sku":"WCS-VHTDSTD0JC","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/51eDdWO9Q8L_01935090-4eb2-4e2f-96f5-644eaed376de.jpg?v=1790765005"},{"product_id":"d4ns-4af","title":"D4NS-4AF Safety Door Switch","description":"\u003cp\u003eD4NS-4AF safety door interlock switch with 1 NC + 1 NO contacts, supplied as 1 switch for machine-guard and access-door applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eModel: D4NS-4AF safety interlock switch.\u003c\/li\u003e\n\u003cli\u003eContact configuration: 1 normally closed (NC) and 1 normally open (NO) contact.\u003c\/li\u003e\n\u003cli\u003eApplication: machine guards, access doors and protective enclosures.\u003c\/li\u003e\n\u003cli\u003ePack contents: 1 safety door switch.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.ia.omron.com\/products\/family\/1465\/lineup.html\" rel=\"noopener\" target=\"_blank\"\u003eD4NS manufacturer model reference\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eSelection and application reference:\u003c\/h3\u003e\u003cp\u003eThe OMRON reference lists operation keys separately; confirm whether a key is included, as well as the contact configuration and conduit thread. Verify the actual supplied item and safety design with qualified personnel; this reference does not confirm certification or compatibility.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/files.omron.eu\/downloads\/latest\/datasheet\/en\/c128_d4ns_safety-door_switch_datasheet_en.pdf?v=1\" target=\"_blank\" rel=\"noopener\"\u003eOMRON D4NS-4AF manufacturer reference (PDF)\u003c\/a\u003e. This reference does not verify the supplied item.\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261469888760,"sku":"WCS-VHTDSTGIYG","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/51eDdWO9Q8L_d064aae6-7599-484a-b26f-2c0e3bc1fffe.jpg?v=1790765006"},{"product_id":"d4ns-2bf","title":"D4NS-2BF Safety Door Switch (D4NS Series) 2 Normally Closed Contacts - 1 Unit","description":"\u003cp\u003eThe D4NS-2BF is a D4NS-series safety door \/ interlock switch supplied as a single unit. This variant is configured with two normally closed (2 NC) contacts, making it suitable for use in safety-door and machine-guard interlock circuits. This listing is for the D4NS-2BF variant.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eModel \u0026amp; configuration: D4NS-2BF - D4NS-series safety door \/ interlock switch configured with two normally closed (2 NC) contacts.\u003c\/li\u003e\n\u003cli\u003eApplication: Safety-door and machine-guard interlock circuits specifying the complete D4NS-2BF model.\u003c\/li\u003e\n\u003cli\u003eComponent: Safety door \/ interlock switch.\u003c\/li\u003e\n\u003cli\u003eIdentification: Part number D4NS-2BF.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eManufacturer model reference\u003c\/h3\u003e\u003cp\u003eD4NS-2BF is the single-conduit, G1\/2 version with slow-action 2 NC contacts in the D4NS model table.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.omron-ap.com\/products\/family\/1465\/lineup.html\" target=\"_blank\" rel=\"noopener\"\u003eD4NS contact configuration and conduit reference\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eSelection and application reference:\u003c\/h3\u003e\u003cp\u003eThe OMRON reference lists operation keys separately; confirm whether a key is included, as well as the contact configuration and conduit thread. Verify the actual supplied item and safety design with qualified personnel; this reference does not confirm certification or compatibility.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/files.omron.eu\/downloads\/latest\/datasheet\/en\/c128_d4ns_safety-door_switch_datasheet_en.pdf?v=1\" target=\"_blank\" rel=\"noopener\"\u003eOMRON D4NS-2BF manufacturer reference (PDF)\u003c\/a\u003e. This reference does not verify the supplied item.\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":50261469921528,"sku":"WCS-VHTDSTH88O","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/51eDdWO9Q8L_347398e9-75fc-4123-8cb5-fdbfbf18bb63.jpg?v=1790765006"}],"url":"https:\/\/westcontrolsupply.com\/collections\/safety-door-interlock-switches.oembed","provider":"West Control Supply","version":"1.0","type":"link"}