ABB – 2TLA010050R0000 – SENTRY SSR10 Safety Relay, 3NO+1NC, 24 VDC, DIN‑Rail

The ABB 2TLA010050R0000 (Sentry SSR10) is a compact, single-function safety relay featuring 3 normally-open and 1 normally-closed contacts. Designed for integration with emergency-stop or two-channel safety devices, it supports SIL 3 / PL e-level applications. Ideal for standard machine safety circuits, it offers selectable manual or automatic reset and screw-type wiring terminals.

Key Features & Specs:

• Model / Part Number: Sentry SSR10 / 2TLA010050R0000  

• Supply Voltage: 24 V DC  

• Contact Configuration: 3 × NO + 1 × NC relay outputs, up to 5 A @ 250 VAC (6 A @ 24 VDC)  

• Reset Mode: Switch-selectable automatic or manual reset  

• Mounting & Size: DIN-rail; 22.5 mm width; IP20 enclosure  

• Terminals: Screw-type for solid or ferruled conductors (0.2–3.3 mm²)  

• Safety Standards: Suitable for SIL 3 / PL e safety category ()

• Operating Temperature: –25 °C to +65 °C