Schmersal PROTECT SRB SRB 301ST Emergency Stop Safety Relay, 24V ac/dc, Single/Dual-Channel, 3 Safety Contacts

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.

BG, USA/CAN

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.

• 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

• Industrial guard systems
• Safety sensors
• Light curtains
• Emergency stop buttons

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.