Omron D4BL-4DRA-A | Omron Solenoid Safety Door Lock Switch 24VDC 71kgf IP67

Description The Omron D4BL-4DRA-A Safety Door Lock Switch is a solenoid-release interlock switch designed to secure access doors and guards in hazardous machine areas. Operating on a 24 VDC control supply, it provides 71 kgf holding force with a DPST-NC + SPST-NC contact configuration for reliable safety circuit monitoring. Featuring an M20 conduit entry, status indicator, and IP67-rated housing, the D4BL-4DRA-A ensures dependable protection and electrical isolation for machine operators and equipment. Technical Specifications Condition New/Never Used Surplus Brand Omron Automation and Safety Category Safety Products Part Number D4BL-4DRA-A Subcategory Interlock Switches Series D4BL Series Type Solenoid Release Safety Door Switch Actuator Type Panel Disconnect Contact Configuration DPST-NC (DB) + SPST-NC (DB) Contact Rating 6 A (AC) Voltage Rating 115 VAC Supply Voltage 24 VDC Holding Force 71 kgf Features Status Indicator Termination Style Screw Terminal Conduit Thread Size M20 Housing Material Die-Cast Aluminum Operation Type Power-to-Release Mounting Type Door or Panel Mount Ingress Protection IP67 – Dust Tight, Waterproof Operating Temperature -10°C to +55°C Approval Agencies CE, CSA, UL, CCC Safety Standards EN 1088, EN 60947-5-1 Mechanical Life 1,000,000 operations (typical) Electrical Life 300,000 operations (at rated load) Indicator Type LED Lock/Status Indicator Application Machine Guarding, Access Interlocking, Safety Control Country of Origin Japan Weight Approx. 1.8 lbs (0.82 kg) Information About D4BL-4DRA-A The D4BL-4DRA-A is part of the Omron D4BL Series, a family of solenoid-lock safety door switches engineered for preventing accidental access to hazardous machinery. It employs a power-to-release solenoid mechanism, ensuring the guard remains locked until a safe condition is achieved. The device’s die-cast metal housing and IP67 environmental protection allow installation in demanding environments, such as industrial manufacturing, material handling, and packaging systems. Designed for easy wiring via screw terminals and M20 conduit entry, the switch integrates a status indicator lamp for operational feedback. With CCC, CE, CSA, and UL approvals, it meets international safety standards, offering long-term reliability for interlock and access control systems. Key Features: Solenoid Power-to-Release Design: Ensures the door remains locked until control power is applied for release. High Holding Force: Provides 71 kgf locking strength for secure guard door retention. Multiple Safety Contacts: Equipped with DPST-NC + SPST-NC contacts for redundant safety control circuits. Industrial-Grade Construction: Die-cast housing and IP67 protection for harsh environments. Status Indicator Lamp: Provides clear visual feedback on lock and operational status. M20 Conduit Connection: Facilitates easy, secure wiring in industrial control panels. 24 VDC Supply Voltage: Compatible with standard machine safety control circuits. Certified Safety Compliance: Meets CE, CSA, UL, and CCC safety requirements. The D4BL-4DRA-A delivers the reliability and precision required for machine guarding, operator safety, and access control in automated manufacturing systems.