Omron D4NL-1HFG-B Guard Lock Safety Door Switch – 24VDC Solenoid Lock, 3NC + 2NC, IP67

The Omron D4NL-1HFG-B is a guard lock safety-door switch designed for use in machine guarding applications that require high-integrity interlocking and personnel protection. Featuring a 24VDC solenoid lock with power-to-lock operation, it ensures that machinery remains inaccessible while in motion, providing reliable safety control for operators.

This model offers 3NC door contacts and 2NC lock monitor contacts in a slow-action configuration, ensuring dual-channel safety monitoring. Its durable plastic housing and head, combined with a PG13.5 conduit entry and IP67 protection rating, make it ideal for industrial environments exposed to dust, vibration, or moisture.

Technical Specifications

Model: D4NL-1HFG-B Omron
Series: D4NL Guard Lock
Function: Guard lock safety-door switch
Actuator Type: Key-operated
Lock Type: Solenoid lock (Power to Lock)
Solenoid Voltage: 24 VDC
LED Indicator: Optional (external wiring supported)
Holding Force: 1300 N
Form Factor: Cuboid enclosure with PG13.5 conduit
Connection Method: Screw terminals

Electrical Specifications

• Rated Solenoid Voltage: 24 VDC
• Contact Configuration: 3NC (door) + 2NC (lock monitor)
• Switch Action: Slow action
• Contact Type: Electromechanical
• Rated Insulation Voltage: 250 VAC

I/O & Communication Interfaces

• Door Contacts: 3NC
• Lock Monitor Contacts: 2NC
• Actuator Type: Standard key (resin)
• Key Position: Bottom insertion
• Lock Logic: Power to lock (solenoid lock with mechanical release)
• Communication: Not supported (hardwired safety device)

Mechanical Specifications

• Housing Material: Plastic
• Head Material: Plastic
• Shape: Cuboid
• Width: 88.5 mm
• Height: 35.5 mm
• Length: 95 mm
• Mounting: Adjustable head orientation
• Conduit Size: PG13.5
• Number of Conduits: 2

Environmental Specifications

• Operating Temperature: -10°C to +55°C
• Storage Temperature: -25°C to +65°C
• Humidity: 5–95% RH (non-condensing)
• Protection Rating: IP67
• Application Category: Industrial machine safety systems

Compliance & Certifications

• CE Marked: Yes
• UL / cUL Listed: Yes
• TÜV Certified: Yes
• EN ISO 14119 Compliant: Yes
• IEC/EN Standards: IEC/EN 60947-5-1, IEC/EN 60947-5-3

Key Features & Benefits

✅ 24VDC Solenoid Lock. Power-to-lock design ensures maximum safety integrity.

✅ 3NC + 2NC Contacts. Dual safety feedback circuits for door and lock monitoring.

✅ 1300 N Holding Force. Secure interlocking for heavy-duty industrial use.

✅ PG13.5 Conduit Entries. Simplifies connection and wiring protection.

✅ IP67 Protection. Resists dust, vibration, and water ingress.

✅ Adjustable Head Design. Flexible mounting for varied door orientations.

📦 Order the Omron D4NL-1HFG-B from Drive Outlet Megastore

At Drive Outlet Megastore, we provide unbeatable Omron D4NL-1HFG-B prices, offering durable and compliant safety-door interlock switches for secure industrial environments. Built for reliability, performance, and full safety compliance.

Check stock now or request a quote.

Safety locked. Performance guaranteed. Omron engineered — only at Drive Outlet Megastore.