Why Choose the ABB OVR T2 3N 80-440s P TS QS Surge Protective Device?
The ABB OVR T2 3N 80-440s P TS QS is a high-performance Type 2 surge protective device (SPD) designed to protect three-phase low-voltage electrical installations against transient overvoltages caused by indirect lightning strikes and switching events. Identified by ABB order code 2CTB815708R3700, it forms part of the advanced ABB OVR QuickSafe surge protection range and is suitable for TN-S and TT electrical distribution systems.
This 3+N surge arrester combines a high discharge capability with ABB QuickSafe technology, a pluggable construction and an integrated Safety Reserve function. The reserve varistor provides continued basic surge protection when the primary protection element reaches the end of its service life, allowing maintenance personnel time to replace the cartridge while maintaining a degree of protection for the installation.
With a 400/690 V AC rated system voltage, 440 V AC maximum continuous operating voltage, 80 kA maximum discharge current and remote signalling contacts, the OVR T2 3N 80-440s P TS QS is well suited to industrial, commercial and infrastructure distribution boards. Its DIN-rail-mounted, four-line configuration provides coordinated L-N, L-PE and N-PE surge protection in a compact System pro M compatible format.
Key Advantages
- High-performance Type 2 surge protective device for three-phase electrical installations.
- 3+N configuration for comprehensive phase, neutral and earth surge protection.
- 80 kA maximum discharge current (Imax) provides robust protection against high-energy transient surges.
- ABB QuickSafe technology with integrated thermal disconnection for enhanced safety.
- Safety Reserve function maintains basic protection after the primary varistor reaches end of life.
- TS auxiliary signalling contact enables remote monitoring of SPD status.
- Pluggable protection cartridges simplify inspection, servicing and replacement.
- Compatible with the ABB System pro M compact range for straightforward distribution-board integration.
Key Features
- ABB OVR Type 2 QuickSafe series.
- Type 2 / Class II surge protection tested to IEC/EN 61643-11.
- Four protected lines in a 3+N configuration.
- 80 kA maximum discharge current (Imax, 8/20 µs).
- 20 kA nominal discharge current (In, 8/20 µs).
- 6.25 kA impulse current (Iimp, 10/350 µs).
- 440 V AC maximum continuous operating voltage (Uc).
- Voltage protection level of 1.8 kV L-N, 2.1 kV L-PE and 2.0 kV N-PE.
- 100 kA short-circuit withstand rating.
- Integrated thermal disconnector and mechanical end-of-life indication.
- Auxiliary changeover contact for remote status signalling.
- DIN-rail-mounted, pluggable construction for convenient maintenance.
Reliable Three-Phase Surge Protection
Type 2 surge protective devices are designed to discharge transient currents generated by indirect lightning strikes and switching events on low-voltage power distribution networks. The ABB OVR T2 3N 80-440s P TS QS provides coordinated protection across phase, neutral and protective-earth conductors, helping limit damaging transient voltages before they reach sensitive downstream electrical and electronic equipment.
Its QuickSafe architecture combines thermal disconnection, mechanical condition indication and ABB's Safety Reserve function with replaceable protection cartridges. The TS version additionally provides remote status signalling, making this model particularly suitable for installations where surge-protection condition needs to be monitored from a control panel, building management system or other supervisory circuit.
Typical Applications
- Three-phase main electrical distribution switchboards.
- Industrial and commercial sub-distribution boards.
- TN-S and TT electrical distribution systems.
- Industrial automation and machinery control panels.
- Commercial buildings and infrastructure installations.
- Manufacturing and process-control facilities.
- Protection of sensitive electronic equipment and control systems.
- Installations requiring remote monitoring of surge-protection status.
