Schmersal/Elan – SRB‑NA‑R‑C.15‑24V – Safety Relay Controller, 24 V DC, 3NO + 1NC

The SRB‑NA‑R‑C.15‑24V (also marketed under Elan branding) is a DIN‑rail safety relay designed for guard-door, emergency-stop, and safety-controller applications. It operates at 24 V DC with low power consumption and combines three enabling (NO) contacts and one monitoring (NC) contact. Constructed to EN/IEC safety standards, it supports a 250 V AC load and comes in a space-saving 22.5 mm housing.  

Key Features & Specifications

• Model: SRB‑NA‑R‑C.15‑24V (Elan/Schmersal)

• Safety Relay Type: Safety controller for emergency-stop and guard-door circuits  

• Voltage: 24 V DC (CLAMP C/D) with max current draw approx. 120 mA  

• Contacts: 3 × NO (enabling) + 1 × NC (monitoring); rated 230 V AC @ 6 A / 24 V DC @ 6 A  

• Insulation Voltage: 250 V AC; dielectric strength 4 kV / 2  

• Housing: 22.5 mm wide DIN‑rail mount; IP20 terminals, IP40 housing

• Approvals: Meets standard safety applications (EN792/IEC for safety relays)