Omron D4NS Series Solenoid Interlock Switch Power to Lock/Unlock

RS Stock No.:: 549-552
Mfr. Part No.:: D4NS-4DF
Brand:: Omron

Omron D4NS Series Solenoid Interlock Switch Power to Lock/Unlock

Subtotal (1 unit)*

£34.92

(exc. VAT)

£41.90

(inc. VAT)

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In Stock

19 unit(s) ready to ship
Plus 16 unit(s) ready to ship from another location
Plus 57 unit(s) shipping from 27 April 2026

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Units	Per unit
1 +	£34.92

*price indicative

RS Stock No.:: 549-552
Mfr. Part No.:: D4NS-4DF
Brand:: Omron

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Omron
	Product Type	Solenoid Interlock Switch
	Actuator Included	No
	Series	D4NS
	Safety Contacts	3 NC
	Terminal Type	Screw
	Conduit Entry	M20
	Number of Auxiliary Contacts	3
	Power to Lock/Unlock	Yes
	Housing Material	Plastic
	Contact AC Voltage	110V ac
	Contact Current	50mA
	IP Rating	IP67
	Hazardous Area Certification	NO
	Standards/Approvals	UL508, EN60947-5-1, CSA C22.2 No.14, CE, UL
	Length	96mm
	Width	31mm
	Depth	30mm

	Select all
	Brand Omron
	Product Type Solenoid Interlock Switch
	Actuator Included No
	Series D4NS
	Safety Contacts 3 NC
	Terminal Type Screw
	Conduit Entry M20
	Number of Auxiliary Contacts 3
	Power to Lock/Unlock Yes
	Housing Material Plastic
	Contact AC Voltage 110V ac
	Contact Current 50mA
	IP Rating IP67
	Hazardous Area Certification NO
	Standards/Approvals UL508, EN60947-5-1, CSA C22.2 No.14, CE, UL
	Length 96mm
	Width 31mm
	Depth 30mm

COO (Country of Origin):: JP

Omron D4NS Series Safety Interlock Switch, 96mm Length, IP67 - D4NS-4DF

This safety interlock switch is suited for applications where operational safety is crucial. With a robust resin housing and an IP67 rating, it protects against dust and moisture, making it appropriate for various industrial environments. The inclusion of 3NC safety contacts guarantees dependable operation and mitigates the risk of accidental machine activation, thereby enhancing workplace safety.

Features & Benefits

• Supports a maximum AC voltage of 240V for versatile applications

• M20 conduit entry allows for straightforward installation

• Handles up to 250V DC for a range of uses

Applications

• Suitable for machinery safety requiring interlock solutions

• Used in automated systems to improve operational safety

• Appropriate for control panels in industrial settings

• Useful in environments where protection from moisture and dust is essential

What type of environments is this switch designed for?

It is intended for industrial environments that demand resistance to harsh conditions, including moisture and dust.

How does the contact configuration contribute to safety?

The three normally closed contacts ensure that the device remains inactive until correctly positioned, preventing unintended operation.

Is it compatible with frequently cycled machinery?

Yes, the interlock design allows for dependable operation in applications where machinery is frequently activated and deactivated.

What installation considerations should be kept in mind?

Ensure that the conduit entry is securely attached and that the switch is positioned to avoid accidental activation during machinery maintenance.