Schmersal SRB 301ST, 24V ac/dc Safety Relay, 3 Safety Contacts, 1

RS Stock No.:: 741-8653
Mfr. Part No.:: SRB301ST-24V-(V.2)
Brand:: Schmersal

Schmersal SRB 301ST, 24V ac/dc Safety Relay, 3 Safety Contacts, 1

Subtotal (1 unit)*

£372.43

(exc. VAT)

£446.92

(inc. VAT)

FREE delivery for orders over £60.00

In Stock

4 unit(s) ready to ship
Plus 5 unit(s) ready to ship from another location
Plus 27 unit(s) shipping from 17 April 2026

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Units	Per unit
1 +	£372.43

*price indicative

RS Stock No.:: 741-8653
Mfr. Part No.:: SRB301ST-24V-(V.2)
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	3
	Number of Auxiliary Contacts	1
	Mount Type	Snap-On
	Reset Method	Automatic
	Series	SRB 301ST
	Power Consumption	2.1W
	Terminal Type	Screw
	IP Rating	IP40
	Minimum Operating Temperature	-25°C
	Switching DC Voltage	24V dc
	Standards/Approvals	IEC/EN
	Switching AC Voltage	250V ac
	Contact Current	4A
	Maximum Operating Temperature	45°C
	Length	100mm
	Width	22.5mm
	Height	121mm
	Safety Category	3
	Hazardous Area Certification	No
	Coil Voltage	24V ac/dc

	Select all
	Brand Schmersal
	Product Type Safety Relay
	Safety Contacts 3
	Number of Auxiliary Contacts 1
	Mount Type Snap-On
	Reset Method Automatic
	Series SRB 301ST
	Power Consumption 2.1W
	Terminal Type Screw
	IP Rating IP40
	Minimum Operating Temperature -25°C
	Switching DC Voltage 24V dc
	Standards/Approvals IEC/EN
	Switching AC Voltage 250V ac
	Contact Current 4A
	Maximum Operating Temperature 45°C
	Length 100mm
	Width 22.5mm
	Height 121mm
	Safety Category 3
	Hazardous Area Certification No
	Coil Voltage 24V ac/dc

COO (Country of Origin):: DE

Schmersal Multi-Functional Safety Relay, 24V AC/DC, 3 Contacts - PROTECT SRB Series - SRB301ST-24V-(V.2)

Monitor critical devices, such as emergency stop buttons, with this safety relay from Schmersal. It signals status messages using LED (light-emitting diode) displays for convenient and quick troubleshooting. Safe standstill monitoring oversees the impulses of connected sensors. This means the device is able to instantly detect threshold violations and activate the safety outputs. The relay is protected by a strong thermoplastic housing that's ventilated to keep the device cool. This enclosure is also self-cleaning for added convenience.

Features & Benefits

• Choice of one or two-channel signal evaluation for enhanced versatility

• Rotary switch makes it simple to manually set the function and mode

• Transparent front cover that can be sealed to prevent unauthorised configuration changes

• Automatic reset function for added convenience and enhanced efficiency

• Meets IEC/EN 60204-1 (International Electrotechnical Commission/European Norm) safety standards for electronic machinery

Applications

• Industrial guard systems

• Safety sensors

• Light curtains

• Emergency stop buttons

Does this relay include a labelling area?

Yes, this relay has a labelling area so you can quickly and easily identify it for maintenance or troubleshooting purposes. Standard label signs can be glued or snapped into the space provided on the front of the housing.

PROTECT SRB301 Series Safety Relays

Introducing the PROTECT SRB301 series of Safety Relays. These are a perfect fit for signal evaluation, specifically the outputs of safety magnetic switches. They function well with such safety applications like Light beams/curtains, Safety mats or Safety switches/interlocks.

Approvals

BG, USA/CAN