Schmersal PROTECT SRB301ST-24V-(V.2) Safety-Monitoring Module
The Schmersal PROTECT SRB301ST-24V-(V.2) (Part No. 101174668) is a safety-monitoring relay module designed for emergency stop, safety gate, and machine safety applications. Operating on 24 VAC/VDC, it evaluates signals from mechanical safety switches, position switches, and magnetic safety sensors to ensure reliable machine protection. The module features 3 safety NO outputs and 1 auxiliary NC contact, providing dependable safety control and monitoring. Designed for DIN-rail mounting, it complie
BRAND
SCHMERSAL
TYPE
Safety-Monitoring Relay Module
PART NO.
101174668
MODEL
SRB301ST-24V-(V.2)
Full Technical Specifications ▶
| Parameter | Value / Description |
|---|---|
| BRAND | SCHMERSAL |
| TYPE | Safety-Monitoring Relay Module |
| PART NO. | 101174668 |
| MODEL | SRB301ST-24V-(V.2) |
| Voltage Rating | 24 VDC / VAC (via clamp A1 / A2) |
| Application | Evaluation of outputs from mechanical safety switches, position switches, and magnetic safety sensors |
| IEC | EN ISO 13849-1 / IEC 61508 / IEC 60947-5-1 |
| Internal Switching Layout | 3 NO (Normally Open) safety contacts | 1 NC (Normally Closed) auxiliary signaling path |
| Current Consumption | Max. 80 mA |
| Safety Switching Capacity | 230 VAC / 6 A (AC-15) | 24 VDC / 6 A (DC-13) |
| Auxiliary Switching Capacity | 24 VDC / 2 A maximum signaling load limits |
| Mounting Setup Orientation | 35 mm DIN rails |
| Compliance & Approvals | CE, cULus Listed (382E), and CCC |
| Wiring Cross-Section Limits | Conforms to 28-12 AWG solid or stranded copper line parameters |
| Made In | Germany |
| REF NO | 158 |
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