Schmersal SRB-E, 24 V dc Safety Relay, 2 Safety Contacts, 1

RS Stock No.:: 146-5870
Mfr. Part No.:: SRB-E-402ST
Brand:: Schmersal

Schmersal SRB-E, 24 V dc Safety Relay, 2 Safety Contacts, 1

Subtotal (1 unit)*

£426.56

(exc. VAT)

£511.87

(inc. VAT)

FREE delivery for orders over £50.00

Temporarily out of stock

1 unit(s) shipping from 09 March 2026
Plus 6 unit(s) shipping from 17 April 2026

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

Units	Per unit
1 +	£426.56

*price indicative

RS Stock No.:: 146-5870
Mfr. Part No.:: SRB-E-402ST
Brand:: Schmersal

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Schmersal
	Product Type	Safety Relay
	Safety Contacts	2
	Number of Auxiliary Contacts	1
	Reset Method	Automatic
	Mount Type	DIN Rail
	Series	SRB-E
	Power Consumption	3.6W
	Time Delay	150 ms
	IP Rating	IP20, IP54, IP40
	Switching DC Voltage	24 V dc
	Contact Current	6A
	Minimum Operating Temperature	-25°C
	Standards/Approvals	EN 60947-5-1, IEC 61508, EN ISO 13849-1, IEC/EN 62061, IEC/EN 60204-1
	Switching AC Voltage	230 V ac
	Maximum Operating Temperature	60°C
	Length	22.5mm
	Width	115 mm
	Height	98mm
	Safety Category	4
	Hazardous Area Certification	No
	Coil Voltage	24 V dc

	Select all
	Brand Schmersal
	Product Type Safety Relay
	Safety Contacts 2
	Number of Auxiliary Contacts 1
	Reset Method Automatic
	Mount Type DIN Rail
	Series SRB-E
	Power Consumption 3.6W
	Time Delay 150 ms
	IP Rating IP20, IP54, IP40
	Switching DC Voltage 24 V dc
	Contact Current 6A
	Minimum Operating Temperature -25°C
	Standards/Approvals EN 60947-5-1, IEC 61508, EN ISO 13849-1, IEC/EN 62061, IEC/EN 60204-1
	Switching AC Voltage 230 V ac
	Maximum Operating Temperature 60°C
	Length 22.5mm
	Width 115 mm
	Height 98mm
	Safety Category 4
	Hazardous Area Certification No
	Coil Voltage 24 V dc

COO (Country of Origin):: DE

Schmersal Safety Relay, 24V DC Voltage Rating, 4kV Rated Impulse Withstand Voltage - SRB-E Series - SRB-E-402ST

Manage sensor systems on your industrial equipment with this safety relay from Schmersal. It monitors safety devices connected to your machine and triggers a quick response to faults such as short circuits and wire breakages. The relay's silver-nickel contacts are highly conductive and resistant to corrosion to give you a steady connection. Screw terminals and a plug-in design make this unit easy to wire and install. Its glass fibre-reinforced thermoplastic housing is resistant to heat and impact, making it a durable choice for use in harsh environments.

Features & Benefits

• Ventilated housing to prevent overheating

• Robust mechanical service life of 10 million operations for long-term use

• Mounting space has an IP54 rating for protection against limited amounts of dust and water splashes

• Automatic reset function for ease of use

• Wide operating temperature range of -25°C to +60°C for use in demanding conditions

Applications

• Food processing equipment

• Automotive assembly lines

How do I monitor issues on the relay?

The relay has six LED indicators that display its operating condition, so it's easy to monitor and troubleshoot.