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D4SL-N4EFA-D D4SL-N4EFA-D4
D4SL-N4EFA-D
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  2. D4SL-N4EFA-D

Omron D4SL-N4EFA-D Safety Door Switch

£201.19 inc VAT

In Stock · Delivered in 3–5 Working Days
Estimated UK delivery time, subject to order confirmation, courier services and destination. International delivery times vary.
Technical SpecificationsOmron
Model D4SL-N4EFA-D Omron
Series D4SL-N Guard Lock
Actuator Type Key-operated
Lock Type Mechanical lock (Power to Unlock)
Rated Insulation Voltage 250 VAC
Contact Type Redundant electromechanical safety contacts
Lock/Release Key Type Standard metal key
Communication Hardwired safety circuit (no network interface)
Connection Type Terminal block (screw terminals)
Solenoid Voltage 24 VDC
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SKU: D4SL-N4EFA-D Category: Tag: Brand:
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Omron D4SL-N4EFA-D Safety Door Switch

The Omron D4SL-N4EFA-D is a durable guard lock safety-door switch designed to provide reliable operator protection and secure machine guarding. Featuring a mechanical lock with power-to-unlock logic and a 24VDC solenoid release , it ensures access is only permitted when machinery is in a safe state.

Technical Specifications

Model D4SL-N4EFA-D Omron
Series D4SL-N Guard Lock
Function Guard lock safety-door switch
Actuator Type Key-operated
Lock Type Mechanical lock (Power to Unlock)
Solenoid Voltage 24 VDC
Holding Force 1300 N
LED Indicator Integrated (status indication)
Form Factor Cuboid enclosure, M20 conduit
Connection Method Terminal block
Ideal For Machine guarding, conveyor safety, packaging, and robotics applications

Electrical Specifications

Rated Solenoid Voltage 24 VDC
Contact Configuration 2NC/1NO (door) + 1NC/1NO (lock monitor)
Switch Action Slow action
Rated Insulation Voltage 250 VAC
Contact Type Redundant electromechanical safety contacts
LED Indicator Power and lock status indication

I/O & Communication Interfaces

Door Contacts 2NC/1NO
Lock Monitor Contacts 1NC/1NO
Lock/Release Key Type Standard metal key
Key Position Front and back insertion
Lock Logic Power to unlock (mechanical lock with solenoid release)
Communication Hardwired safety circuit (no network interface)

Mechanical Specifications

Housing Material Plastic
Head Material Resin
Shape Cuboid
Width 39 mm
Height 39 mm
Length 179.9 mm
Mounting Adjustable head orientation (multi-directional)
Conduit Size M20
Number of Conduits 1
Connection Type Terminal block (screw terminals)

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
Vibration Resistance 10–55 Hz, 1.5 mm double amplitude
Shock Resistance 500 m/s², 3 times each axis
Application Category Industrial safety and automation systems

Compliance & Certifications

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

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Frequently Asked Questions

How can I check whether D4SL-N4EFA-D is the correct replacement?

Check the exact manufacturer part number, electrical ratings, interface type, mounting and equipment compatibility against your existing equipment and the manufacturer’s datasheet.

How quickly can D4SL-N4EFA-D be delivered?

This product is listed as in stock, with estimated UK delivery in 3–5 working days. Delivery depends on order confirmation, courier services and destination.

Where can I check specifications and compatibility?

Review the specification information above and the product’s Downloads or Data Sheets tab, where documents are supplied. Our team can help check part numbers and installation compatibility.

What warranty does Drive Outlet Megastore offer?

Drive Outlet offers its own 2-year return-to-base warranty unless otherwise stated. Manufacturer warranties may not apply; please review the Terms and Conditions before ordering.

Weight 1 kg

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D4SL-N-Guard-Lock-Safety-door-Switch.pdfD4SL-N4EFA-D.pdf

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