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

Main Features

• Manufacturer: ABB (formerly Jokab Safety)  

• Model/MPN: 2TLA010040R0200 – Sentry BSR11

• Function: Configurable single-channel safety relay with start/test input—can function as expansion relay or standalone unit  

• Safety Outputs: 4 × Normally Open relay contacts (4NO), capable of switching up to 5 A @ 240 VAC/8 A rating

• Input & Supply:

  • Power: +24 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 X4 status

  • Configurable timer/delay function (accuracy ±1%) and test/start input for system checks

• Safety Ratings: SIL 3, PL e, Category 4 compliant—ideal for high demands in machine guarding and emergency stop circuits  

• Mounting & Enclosure: DIN-rail mountable (22.5 mm width), IP20 housing, operating temperature –10 °C to +55 °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