ABB – 2CTB803876R1000 (OVR T2 40‑275 C QS) – 1‑Pole Type 2 Surge Protective Dev.

The ABB 2CTB803876R1000 (OVR T2 40‑275 C QS) is a DIN‑rail mountable, plug‑in surge protective device (SPD) designed to protect single-phase power lines from transient overvoltages due to lightning or switching. With its Type II classification and robust 40 kA discharge capacity, it’s ideal for industrial and commercial panelboards.

Key Features & Specifications:

• Model / MPN: 2CTB803876R1000 (OVR T2 40‑275 C QS)  

• Protection Type: Surge Protective Device, Type II (Class C)

• Poles: 1‑pole (L‑PE protection)  

• Nominal System Voltage: 230/400 VAC (Uₙ)  

• Max Continuous Voltage (UC): 275 VAC L‑N, L‑L, L‑PE  

• Max Discharge Current (Iₙ, 8/20 μs): 40 kA; nominal 20 kA  

• Voltage Protection Level (Up): 1.25 kV at In (8/20 μs)  

• Standards: IEC 61643‑11 / EN 61643‑11 certified  

• Mounting & Form Factor: DIN‑rail TS35; 1-module width (~17.6 mm)  

• Operating Temp: –40 °C to +80 °C

• Short‑Circuit Withstand (Icc): 100 kA  

• Dimensions & Weight: 17.6 × 55.6 × 57 mm; ~50 g