{"product_id":"d4bl-2dra-omron-d4bl-series-guard-lock-safety-door-switch","title":"D4BL-2DRA Omron D4BL Series Guard Lock Safety-Door Switch","description":"\u003cp\u003eThe \u003cstrong\u003eOmron D4BL-2DRA\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eD4BL\u003c\/strong\u003e Guard Lock Safety-Door Switch, operates as a dedicated hardware component for mechanical interlock guarding and contact state validation within machine safety control systems.\u003c\/p\u003e\n\u003ch3\u003eModel Suffix Engineering Structure\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\u003c\/strong\u003e: G1\/2 conduit outlet size featuring a dual-conduit entry housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eD\u003c\/strong\u003e: Built-in slow-action contacts with 2NC door open\/close detection and 1NC lock monitor switch configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR\u003c\/strong\u003e: Adjustable mounting head with four variable entry directions (configured for right-side mounting by default).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA\u003c\/strong\u003e: Mechanical spring lock mechanism with a 24 VDC solenoid release system and integral auxiliary release key.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eD4BL-2DRA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOmron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e20 x 12 x 10 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC solenoid coil load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterlock Standard\u003c\/td\u003e\n\u003ctd\u003eType 2 (EN ISO 14119), Low Level Coding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDegree of Protection\u003c\/td\u003e\n\u003ctd\u003eIP67 (EN 60947-5-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Durability\u003c\/td\u003e\n\u003ctd\u003e1,000,000 operations min.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Durability\u003c\/td\u003e\n\u003ctd\u003e500,000 operations min. (10 A at 250 VAC resistive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Speed Range\u003c\/td\u003e\n\u003ctd\u003e0.05 to 0.5 m\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Frequency\u003c\/td\u003e\n\u003ctd\u003e30 operations\/minute max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Safety Logic \u0026amp; System Integration\u003c\/h3\u003e\n\u003cp\u003eThe D4BL-2DRA interlock switch establishes forced disconnection through direct-opening NC contacts, eliminating contact welding risks during safety circuit actuation. Integration into safety PLC input modules or safety relay controllers supports deterministic field loop monitoring without signal debounce delay. High mechanical holding force preserves mechanical lock alignment under vibration, preventing fault trips during continuous machine operation.\u003c\/p\u003e\n\u003ch3\u003eStandard Shipping Configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Omron D4BL-2DRA Safety Interlock Switch Assembly\u003c\/li\u003e\n\u003cli\u003e1 x Auxiliary Manual Release Key\u003c\/li\u003e\n\u003cli\u003e1 x G1\/2 Conduit Plug Fitting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Mounting \u0026amp; Conduit Installation Directives\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSwitch Body Positioning\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSecure the switch body to the machine frame using M5 mounting screws tightened to a torque rating of 1.3 to 1.5 N m.\u003c\/li\u003e\n\u003cli\u003eAdjust the key insertion head to one of four directions by removing the four head-securing screws and re-orienting the assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConduit Wiring Protocol\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCable the G1\/2 conduit entries using IP67-rated sealed cable glands to prevent moisture ingress.\u003c\/li\u003e\n\u003cli\u003eTerminate slow-action contact wiring using M3.5 crimp terminal lugs tightened to 0.6 to 0.8 N m.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat mechanism controls the locking and unlocking action of the D4BL-2DRA switch?\u003c\/p\u003e\n\u003cp\u003eThe switch uses a mechanical lock mechanism that engages automatically upon door closure and releases via a 24 VDC solenoid signal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow many total contact outputs are integrated inside the built-in switch assembly?\u003c\/p\u003e\n\u003cp\u003eThe module contains 2NC slow-action contacts for door position detection and 1NC slow-action contact for lock status monitoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat degree of environmental protection is provided by the switch housing?\u003c\/p\u003e\n\u003cp\u003eThe enclosure is rated to IP67 under EN 60947-5-1 standard when properly wired with sealed conduit glands.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the key entry head be rotated to accommodate different door orientations?\u003c\/p\u003e\n\u003cp\u003eYes, the head assembly can be rotated to four different mounting directions by repositioning the four top cover screws.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat conduit thread standard is provided on the D4BL-2DRA model?\u003c\/p\u003e\n\u003cp\u003eThis model features two G1\/2 conduit entries for cable routing and wiring isolation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the rated electrical lifespan of the internal switch contacts?\u003c\/p\u003e\n\u003cp\u003eThe internal contacts provide a minimum electrical durability of 500,000 operations with a 10 A, 250 VAC resistive load.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat manual overriding feature is included for setup or emergency access?\u003c\/p\u003e\n\u003cp\u003eAn auxiliary release key is incorporated into the housing to manually disengage the lock mechanism during power outages.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the maximum recommended operating frequency for the mechanical head?\u003c\/p\u003e\n\u003cp\u003eThe mechanical assembly supports a maximum operational frequency of 30 door switching operations per minute.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306617520301,"sku":"D4BL-2DRA","price":278.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/D4BL-2DRA_2.jpg?v=1789653591","url":"https:\/\/www.maxwellplc.com\/ru\/products\/d4bl-2dra-omron-d4bl-series-guard-lock-safety-door-switch","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}