The ABB OVR PV T‑T ‑ C QS (P/N CTBR) is a premium plug‑in surge protection cartridge designed for high-voltage photovoltaic systems rated up to  V DC. This Class I+II arrester, suitable for T–T protection levels, safeguards PV arrays and inverters from transient overvoltage events, including lightning strikes and switching surges. Its modular QS design installs easily into ABB DB surge modules for fast replacement and maintenance.

Key Specifications

Model / P/N: OVR PV T‑T ‑ C QS / CTBR
Protection Type: DC surge arrester for T+T levels (lightning and switching)
Nominal Voltage:  V DC (suitable for high-voltage PV systems)
Max Continuous Voltage:  V DC,  V MPP
Discharge Ratings:
-  kA (/ µs nominal)
-  kA (/ µs max)
-  kA (/ µs total)
Service Current Breaking Capacity:  kA
Protection Level (Up):  kV
Poles:  + N (two-conductor protection)
Mounting: Plug-in cartridge; fits standard DIN-rail SPD modules
Operating Temp: – °C to + °C
IP Rating: IP; RoHS compliant
Dimensions:  ×  ×  mm;  g

ABB – OVR PV T1-T2 5-1500 C QS (2CTB812052R1500) – 1+N DC Surge Arrester, 1500 V

ABB – OVR PV T1-T2 5-1500 C QS (2CTB812052R1500) – 1+N DC Surge Arrester, 1500 V