Omron D4SL-N4DFG Guard Lock Safety Door Switch – 24VDC Solenoid Lock, 2NC + 2NC, IP67

The Omron D4SL-N4DFG is a guard lock safety-door switch designed for advanced machine guarding and operator safety. Featuring a 24VDC solenoid lock with mechanical release, it ensures doors remain securely locked until power is applied, preventing hazardous access during machine operation.

With 2NC door contacts and 2NC lock monitor contacts, this switch provides redundant safety feedback for high-integrity safety circuits. Its durable resin head and plastic housing are IP67-rated, offering excellent resistance to dust and water ingress in industrial environments.

Technical Specifications

Model: D4SL-N4DFG Omron
Series: D4SL-N 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 M20 conduit
Connection Method: System connector

Electrical Specifications

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

I/O & Communication Interfaces

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

Mechanical Specifications

• Housing Material: Plastic
• Head Material: Resin
• Shape: Cuboid
• Width: 39 mm
• Height: 39 mm
• Length: 155 mm
• Mounting: Adjustable head orientation
• Conduit Size: M20
• Number of Conduits: 1

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. Provides secure interlocking for machine safety systems.

✅ 2NC + 2NC Contacts. Dual safety circuits for redundant feedback monitoring.

✅ 1300 N Holding Force. High-strength locking for demanding applications.

✅ IP67-Rated Housing. Excellent dust and water resistance for industrial use.

✅ Dual Key Entry. Front and rear access for flexible mounting options.

✅ Compact Design. Saves space while maintaining maximum safety performance.

📦 Order the Omron D4SL-N4DFG from Drive Outlet Megastore

At Drive Outlet Megastore, we provide unbeatable Omron D4SL-N4DFG prices, offering precision-engineered interlocking safety switches for machine and operator protection. Designed for reliability, compliance, and long service life in industrial automation.

Check stock now or request a quote.

Safety secured. Reliability assured. Omron engineered — only at Drive Outlet Megastore.