ABB – 2TLA010029R0000 (RT9) – Universal Safety Relay, 24 V DC, SIL 3 / PLe, 2 NO

The ABB 2TLA010029R0000 (RT9) 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 24 V DC coil and dual-channel fault-tolerant inputs, it features 2 normally-open (NO) safety outputs and provides SIL 3 / PLe performance in a slim DIN-rail module.

 Key Features & Specifications

• Model / P/N: 2TLA010029R0000 – RT9 series, 24 V DC  

• Safety Classification: SIL 3 / PLe / Category 4, EN 62061, ISO 13849-1 certified

• Coil Voltage: 24 V DC

• Inputs: Dual-channel universal inputs—supports various safety devices (e.g., E-stop, light curtain, safety mat)  

• Outputs: 2 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, 22.5 mm wide, 84 × 22.5 × 120 mm

• Terminals: Screw clamp with quick-release DIN connection; IP20/IP40 protection