SRB-E-301ST SCHMERSAL Safety Relay Module, 103007672, 24V DC, 3 Safety Contacts
The SCHMERSAL SRB-E-301ST (Part Number: 103007672) is a multifunctional, compact safety relay module from the PROTECT SRB-E series, designed for evaluating emergency stop buttons, safety guard interlocks, light curtains, and two-hand control panels up to SIL 3 / PL e. Operating on a 24V DC supply voltage, this electronic safety controller features 3 safe semiconductor or relay outputs (13/14, 23/24, 33/34) and 1 auxiliary diagnostic output (41/42). It includes a rotary switch for easy mode selection (monitored manual or automatic start), status LED indicators (RUN, In 1, In 2, Out, ERR), pluggable screw terminal blocks, and a slim enclosure designed for standard 35mm DIN-rail mounting.
| Location | Available |
|---|---|
| Ssaoco Jeddah | 8 |
| Parameter | Specification |
|---|---|
Brand / Manufacturer | SCHMERSAL |
Product Series | PROTECT SRB-E |
Model Designation | SRB-E-301ST |
Part / Order Number | 103007672 |
Product Type | Multifunctional Safety Relay Module |
Supply Voltage ($U_e$) | 24 V DC (-20% / +20%) |
Safety Contacts (Outputs) | 3 NO (Safe relay contacts: 13-14, 23-24, 33-34) |
Auxiliary Contacts | 1 NC (Diagnostic output: 41-42) |
Safety Integrity Level | SIL 3 (IEC 62061), PL e / Category 4 (EN ISO 13849-1) |
Switching Voltage / Current | Max. 250 V AC / 6 A (resistive) |
Start / Reset Mode | Selectable via front rotary switch (Automatic or Monitored Manual Start) |
Diagnostic Display | Diagnostic LEDs (RUN, In 1, In 2, Out, ERR) |
Terminal Connection | Pluggable screw terminal connectors |
Dimensions (W x H x D) | 22.5 mm x 98 mm x 115 mm |
Mounting Type | Standard 35mm DIN rail (EN 60715) |
Degree of Protection | IP40 (Enclosure) / IP20 (Terminals) |
Ambient Operating Temp. | -25°C to +60°C |
Certifications | CE, cULus Listed, TÜV Rheinland, EAC, UKCA |
Key Features | SIL 3 / PL e performance, 3 safe NO outputs + 1 auxiliary NC output, rotary switch mode selection, pluggable screw terminals |
Ssaoco Jeddah
- Started from: Jul 10, 2025
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