Why Choose the ABB OVR T2 N 80-275s C QS Surge Protective Device?
The ABB OVR T2 N 80-275s C QS is a high-performance Type 2 surge protective device (SPD) designed to provide N-PE protection against transient overvoltages caused by indirect lightning strikes and switching events. As part of the proven ABB OVR surge protection range, it provides dependable protection for electrical installations and sensitive equipment in industrial, commercial and infrastructure applications.
Designed for installation in low-voltage distribution systems, this single-pole SPD uses ABB QuickSafe technology and provides a high discharge capability for demanding surge protection applications. Its N-PE protection mode makes it suitable for use as the neutral-to-earth protection element within appropriate TT surge protection arrangements.
With a maximum discharge current (Imax) of 80 kA, nominal discharge current (In) of 30 kA and 275 V AC maximum continuous operating voltage, the OVR T2 N 80-275s C QS provides robust protection in a compact DIN-rail format. The device is supplied under ABB order code 2CTB815708R2800.
Key Advantages
- High-performance Type 2 / Class II surge protective device.
- 80 kA maximum discharge current (8/20 µs) for demanding surge conditions.
- 30 kA nominal discharge current (8/20 µs).
- Designed specifically for N-PE surge protection.
- 275 V AC maximum continuous operating voltage.
- ABB QuickSafe technology for reliable surge protection performance.
- Compact single-module design for installation in electrical distribution boards.
- IP20 protection rating for protected indoor installations.
Key Features
- ABB OVR Type 2 surge protection series.
- Type 2 / Class II SPD according to IEC / EN surge protection requirements.
- Single protected line with N-PE protection mode.
- 80 kA Imax maximum discharge current.
- 30 kA In nominal discharge current.
- 12.5 kA Iimp (10/350 µs) impulse current capability.
- 1.4 kV voltage protection level (Up) at nominal discharge current for N-PE protection.
- Fast response time of <25 ns.
- DIN-rail mounting for straightforward integration into distribution boards.
- Compact 17.8 mm module width.
Reliable Surge Protection for Electrical Installations
Type 2 surge protective devices are designed to limit transient overvoltages within low-voltage electrical installations. They divert surge currents away from protected equipment, helping reduce the risk of insulation damage, premature component failure and disruption caused by indirect lightning activity or electrical switching events.
The ABB OVR T2 range is designed for coordinated surge protection in electrical distribution systems. The OVR T2 N 80-275s C QS provides the N-PE protection required in appropriate system configurations, combining high discharge capability with compact dimensions and ABB QuickSafe technology for dependable installation in distribution boards.
Typical Applications
- Low-voltage electrical distribution boards.
- TT electrical installations requiring N-PE surge protection.
- Commercial and industrial electrical systems.
- Machine and automation control panels.
- Building services and infrastructure installations.
- Protection of sensitive electrical and electronic equipment.