Omron D4BS Series Special Operation Key Safety Interlock Switch, 2 NC, IP67, Plastic Housing, 400V ac, 2A

RS Stock No.:: 307-6167
Mfr. Part No.:: D4BS-1AFS
Brand:: Omron

Omron D4BS Series Special Operation Key Safety Interlock Switch, 2 NC, IP67, Plastic Housing, 400V ac, 2A

Subtotal (1 unit)*

£73.43

(exc. VAT)

£88.12

(inc. VAT)

FREE delivery for orders over £60.00

In Stock

Plus 23 unit(s) shipping from 20 April 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£73.43

*price indicative

RS Stock No.:: 307-6167
Mfr. Part No.:: D4BS-1AFS
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
	Actuator Type	Special Operation Key
	Product Type	Safety Interlock Switch
	IP Rating	IP67
	Contact Configuration	2 NC
	Housing Material	Plastic
	Contact Type	Slow Action
	Switching Current	2A
	Series	D4BS
	Minimum Operating Temperature	-40°C
	Switching AC Voltage	400V ac
	Maximum Operating Temperature	80°C
	Standards/Approvals	CCC, CE, CSA, UL
	Depth	43mm
	Length	111.5mm
	Width	40mm
	Hazardous Area Certification	NO
	Operating Force	19.61N
	Mechanical Life	10000000Operations
	Conduit Entry	PG13.5

	Select all
	Brand Omron
	Actuator Type Special Operation Key
	Product Type Safety Interlock Switch
	IP Rating IP67
	Contact Configuration 2 NC
	Housing Material Plastic
	Contact Type Slow Action
	Switching Current 2A
	Series D4BS
	Minimum Operating Temperature -40°C
	Switching AC Voltage 400V ac
	Maximum Operating Temperature 80°C
	Standards/Approvals CCC, CE, CSA, UL
	Depth 43mm
	Length 111.5mm
	Width 40mm
	Hazardous Area Certification NO
	Operating Force 19.61N
	Mechanical Life 10000000Operations
	Conduit Entry PG13.5

Omron D4BS Series Safety Interlock Switch, 2A Maximum Current, IP67 - D4BS-1AFS

This safety interlock switch enhances operational safety in various industrial environments by safeguarding equipment and personnel in line with safety standards. Its innovative design ensures that contacts separate when the protective cover is opened, preventing accidental machine activation and improving workplace safety.

Features & Benefits

• IP67 rating protects against dust and water ingress

• Direct opening mechanism increases safety during maintenance

• Lightweight plastic housing ensures durability in industrial applications

• Supports a maximum current of 2A for dependable performance

• Compatible with PG13.5, G1/2, and M20 conduit types for flexible installation

Applications

• Safety circuits in industrial machinery

• Protection of automated production lines

• Utilisation with heavy-duty doors in manufacturing settings

• Integration into systems requiring compliance with EN standards

What type of conduit can be used with this switch?

It is compatible with PG13.5, G1/2, and M20 conduit types.

How does the switch perform in high-temperature environments?

It operates effectively at temperatures up to +80°C, ensuring consistent performance.

What steps should be taken for proper installation?

Ensure the operation key is aligned correctly and secure the fittings properly.

Is there a specific type of fuse recommended for protection?

A 10-A fuse type gI or gG is recommended for optimal circuit safety.

D4BS — Safety position switch

Version with 1 or 3 cable entries

Metal case IP67

2 NC contacts or one NC and one NO

Standard format as per EN 50047

Approvals

UL, CSA, BG, TÜV

Standards

IEC 947-5-1, EN 60947-5-1,
EN 1088