Why Choose the ABB OVR T1-T2 12.5-440s P TS QS Surge Protective Device?
The ABB OVR T1-T2 12.5-440s P TS QS is a high-performance combined Type 1+2 surge protective device (SPD) designed to protect low-voltage electrical installations against lightning currents and transient overvoltages. As part of the advanced ABB OVR QuickSafe surge protection range, it combines Type 1 lightning current protection and Type 2 surge protection in a compact, pluggable device for demanding industrial and commercial electrical systems.
Designed for installations requiring a higher continuous operating voltage, the OVR T1-T2 12.5-440s P TS QS provides coordinated protection against lightning effects, induced surges and switching overvoltages. Its pluggable construction simplifies maintenance and replacement, while the TS version provides remote status signalling for integration with monitoring and control systems.
With an impulse current (Iimp) of 12.5 kA using a 10/350 µs waveform and a 440 V AC maximum continuous operating voltage, the OVR T1-T2 12.5-440s P TS QS provides combined lightning and surge protection for suitable low-voltage distribution systems. The device is supplied under ABB order code 2CTB815710R2900.
Key Advantages
- Combined Type 1+2 surge protective device for lightning current and transient overvoltage protection.
- 12.5 kA impulse current Iimp (10/350 µs).
- 440 V AC maximum continuous operating voltage.
- ABB QuickSafe technology for dependable surge protection performance.
- TS remote signalling enables integration with monitoring and control systems.
- Pluggable construction simplifies inspection, maintenance and replacement.
- Suitable for demanding industrial and commercial low-voltage installations.
- Compact DIN-rail format for installation in electrical distribution boards.
Key Features
- ABB OVR T1-T2 QuickSafe surge protection series.
- Combined Type 1+2 surge protective device.
- 12.5 kA Iimp lightning impulse current capability.
- 440 V AC maximum continuous operating voltage (Uc).
- Protection against lightning currents and switching-induced transient overvoltages.
- Remote status signalling for external monitoring.
- Visual operating status indication for straightforward inspection.
- Pluggable protection module for convenient servicing.
- DIN-rail mounting for integration into low-voltage distribution equipment.
Combined Lightning and Surge Protection for Electrical Installations
Combined Type 1+2 surge protective devices provide protection against both high-energy lightning currents and transient overvoltages. Type 1 capability enables the SPD to discharge lightning impulse currents characterised by a 10/350 µs waveform, while Type 2 protection limits lower-energy transient surges generated by indirect lightning activity and electrical switching events.
The ABB OVR T1-T2 QuickSafe range is designed for coordinated protection of low-voltage installations. The OVR T1-T2 12.5-440s P TS QS combines lightning current capability, a higher 440 V AC continuous operating voltage, pluggable construction and remote status signalling, making it suitable for professional electrical installations where dependable protection and convenient monitoring are required.
Typical Applications
- Main low-voltage electrical distribution boards.
- Industrial electrical installations.
- Commercial buildings and facilities.
- Installations requiring combined Type 1 and Type 2 protection.
- Electrical systems requiring a 440 V AC maximum continuous operating voltage SPD.
- Machine and automation electrical panels.
- Building services and infrastructure installations.
- Protection of sensitive electrical and electronic equipment.
