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Safety configurable relays can monitor all conventional safety devices, and are well suited to applications where multiple safety relays are required. Relay setup is done through simple rotary switches, with models that support up to 16 different functions. No programming experience is necessary.
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Safety Configurable Relays
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Many safety systems require more than one specialty safety relay but don't quite justify the need for a safety controller. For those applications, safety programmable and configurable relays can provide the safety required without unnecessary components, reducing the number of safety relays used while keeping setup simple.
For part listings and specifications, go to Shop Now
Configurable Relays
New!
Schmersal PROTECT SRB-E configurable relays support several applications and monitor conventional safety devices such as interlocking devices, position switches, safety sensors, emergency stop devices, magnetic safety sensors, optoelectronic safety devices, and two-hand control devices. Additional models are available to provide standstill monitoring and safety timer functions. These relays have a simple rotary switch setup. Depending on model:
- Up to 4 pairs safety inputs on a single card
- Up to 5 safety outputs
- Up to 4 signaling (status) outputs
- Safety level up to PLe/SIL 3
- Simple configuration with rotary switches
- LED status for easy troubleshooting
- All modules that monitor safety devices support cross-short monitoring on some functions
- The SRB-E-204PE input extension module is available to expand the number of inputs of a configurable safety relay
Programmable Relays
New!
The Schmersal PROTECT SELECT programmable relay is an easy-to-set-up monitoring device that closes the gap between conventional safety relay modules and complex safety controllers, requiring no programming experience. This device can simultaneously monitor up to 4 separate safety circuits, replacing up to 8 individual safety relays. Each safety circuit has its own safety program. Select from 4 pre-configured programs that can be chosen and modified to meet your application needs. This module provides monitoring of all common safety sensors, including emergency stop devices, safety light curtains, safety switches, four-wire safety mats, two-hand control devices, and safe monitoring of analog signals.
- Up to 18 digital safety inputs (9 pairs)
- 4 semiconductor (OSSD) safety outputs
- 2 safety relay outputs
- 4 signaling (status) outputs
- 3 clock outputs
- Safety level up to PLe/SIL 3
- Error, status, and message log in plain text on graphic color display
- A simple multilingual configuration menu and rotary switches require no programming experience
- Models with cage clamp or screw terminal connections
- Temperature range -25°C to 55°C
Safety Extension Relay
New!
The Schmersal safety extension relay adds additional safety contacts and signaling outputs to any safety relay that supports a feedback loop provided by the expansion relay.
- 4 safety output contacts
- 2 signaling outputs
- Temperature range -25°C to 60°C
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