Main Features

Manufacturer: ABB (formerly Jokab Safety)
Model/MPN: TLAR – Sentry BSR
Function: Configurable single-channel safety relay with start/test input—can function as expansion relay or standalone unit
Safety Outputs: × Normally Open relay contacts (NO), capable of switching up to  A @  VAC/ A rating
Input & Supply:
- Power: + V DC
- Includes spring-clamp screw terminals for safety devices like E-stop or safety gates
Reset Modes: Manual or automatic reset selectable via onboard switch; supports multi-reset/light-button wiring
Diagnostics & Interface:
- LEDs for ON, OUT, and X status
- Configurable timer/delay function (accuracy ±%) and test/start input for system checks
Safety Ratings: SIL , PL e, Category compliant—ideal for high demands in machine guarding and emergency stop circuits
Mounting & Enclosure: DIN-rail mountable (. mm width), IP housing, operating temperature – °C to + °C
Use Cases:
- Standalone safety relay for emergency stops, safety gates, two-hand controls
- Expansion module for safety PLCs, adding four safe outputs without additional controllers

ABB – 2TLA010040R0200 – Sentry BSR11 24 V DC Safety/Expansion Relay, 4NO