Schmersal PROTECT SRB SRB 301ST 1 Auxiliary Contacts Safety Relay 24V ac/dc, Single/Dual-Channel 3 Safety Contacts
- RS Stock No.:
- 741-8653
- Mfr. Part No.:
- SRB301ST-24V-(V.2)
- Brand:
- Schmersal
Subtotal (1 unit)*
£372.43
(exc. VAT)
£446.92
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 7 unit(s) ready to ship
- Plus 4 unit(s) ready to ship from another location
- Plus 15 unit(s) shipping from 03 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
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 | |
Supply Voltage | 24V ac/dc | |
Number of Channels | 1, 2 | |
Safety Contacts | 3 | |
Function | Emergency Stop | |
Auxiliary Contacts | 1 | |
Reset Method | Automatic | |
Range | PROTECT SRB | |
Safety Category ISO 13849-1 | 4 | |
PL ISO 13849-1 | e | |
SIL IEC 61508 | 3 | |
Terminal Type | Screw | |
Series | SRB 301ST | |
Width | 22.5mm | |
Depth | 121mm | |
Length | 100mm | |
Performance Level | e | |
Select all | ||
---|---|---|
Brand Schmersal | ||
Supply Voltage 24V ac/dc | ||
Number of Channels 1, 2 | ||
Safety Contacts 3 | ||
Function Emergency Stop | ||
Auxiliary Contacts 1 | ||
Reset Method Automatic | ||
Range PROTECT SRB | ||
Safety Category ISO 13849-1 4 | ||
PL ISO 13849-1 e | ||
SIL IEC 61508 3 | ||
Terminal Type Screw | ||
Series SRB 301ST | ||
Width 22.5mm | ||
Depth 121mm | ||
Length 100mm | ||
Performance Level e | ||
- COO (Country of Origin):
- DE
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
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
• 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
• 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.
Related links
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