The Schmersal SRB301ST Safety Relay, P/N 03056745, is a safety-monitoring component associated with ASM SIPLACE equipment. Unlike a standard control relay that switches signals during routine machine operation, a safety relay monitors designated safety circuits and controls the corresponding safety outputs when an emergency-stop device or protective interlock is activated.
The SRB301ST series provides three safety contacts with Stop Category 0 functionality, along with diagnostic indicators that help technicians check the relay’s operating state. These functions make the relay relevant when maintaining machine safety circuits and investigating faults involving emergency stops or protective guards.
When replacing this component, matching the electrical version is essential. The SRB301ST is available in different voltage configurations, so the relay’s full model designation, supply voltage, terminal arrangement, and existing wiring should be checked before installation. At our company, we verify the part number and available machine details to help us accurately determine the correct replacement for your equipment.
ASM SIPLACE 03056745 Safety Relay Specifications
| Part Number | 03056745-01 |
|---|---|
| Schmersal Model | SRB301ST-24V-(V.2) |
| Part Type | Safety monitoring relay |
| Documented Function | Emergency-stop and guard-door monitoring |
| Operating Voltage | 24 V AC / DC |
| Safety Outputs | 3 safety contacts, STOP 0 |
| Signalling Output | 1 signalling output |
| Safety Capability | SRB301ST series supports applications up to Category 4 / PL e and SIL 3 when used in a correctly designed safety circuit |
| Core Matching Point | Confirm SIPLACE P/N, SRB301ST version, 24 V supply and existing terminal / safety-circuit configuration |