The ABB CTBR (OVR T ‑ 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  kA discharge capacity, it’s ideal for industrial and commercial panelboards.

Key Features & Specifications:

• Model / MPN: CTBR (OVR T ‑ C QS)

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

• Poles: ‑pole (L‑PE protection)

• Nominal System Voltage: / VAC (Uₙ)

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

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

• Voltage Protection Level (Up): . kV at In (/ μs)

• Standards: IEC ‑ / EN ‑ certified

• Mounting & Form Factor: DIN‑rail TS; -module width (~. mm)

• Operating Temp: – °C to + °C

• Short‑Circuit Withstand (Icc):  kA

• Dimensions & Weight: . × . ×  mm; ~ g

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

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