The ABB TLAR (RT) is a compact and versatile safety relay that supports a broad range of safety functions—ideal for emergency stop, gate, light curtain, and hold-to-run control systems. With a  V DC coil and dual-channel fault-tolerant inputs, it features normally-open (NO) safety outputs and provides SIL / PLe performance in a slim DIN-rail module.

Key Features & Specifications

Model / P/N: TLAR – RT series,  V DC
Safety Classification: SIL  / PLe / Category , EN , ISO - certified
Coil Voltage:  V DC
Inputs: Dual-channel universal inputs—supports various safety devices (e.g., E-stop, light curtain, safety mat)
Outputs: safety-rated NO contacts (load switching with safety integrity)
Reset Modes: Manual or automatic reset based on wiring configuration
Indicators: Five front-panel LEDs (power, input, output, fault)
Mounting & Size: DIN-rail, . mm wide,  × . ×  mm
Terminals: Screw clamp with quick-release DIN connection; IP/IP protection

ABB – TLAR (RT) – Universal Safety Relay, V DC, SIL / PLe, NO