Why Choose the ABB OVR T2 3N 80-440s P QS Surge Protective Device?
The ABB OVR T2 3N 80-440s P QS is a high-performance Type 2 surge protective device (SPD) designed to protect three-phase electrical installations and sensitive equipment against transient overvoltages caused by indirect lightning strikes and switching events. As part of the proven ABB OVR QuickSafe surge protection range, it provides dependable surge protection for industrial, commercial and infrastructure electrical systems.
Designed for 3+1 protection in three-phase systems with neutral, the OVR T2 3N 80-440s P QS is suitable for TT and TN-S low-voltage distribution systems. Its pluggable construction simplifies maintenance and replacement, while ABB QuickSafe technology provides reliable surge protection performance in demanding electrical installations.
With a maximum discharge current (Imax) of 80 kA, nominal discharge current (In) of 30 kA and 440 V AC maximum continuous operating voltage, the OVR T2 3N 80-440s P QS provides robust protection for 400 / 690 V AC electrical systems. The device is supplied under ABB order code 2CTB815708R4900 and is designed for straightforward DIN-rail installation in electrical distribution boards.
Key Advantages
- High-performance Type 2 / Class II surge protective device.
- 3+1 configuration for three-phase electrical systems with neutral.
- 80 kA maximum discharge current (8/20 µs) for demanding surge conditions.
- 30 kA nominal discharge current (8/20 µs).
- 440 V AC maximum continuous operating voltage.
- Suitable for TT and TN-S electrical distribution systems.
- ABB QuickSafe technology for dependable surge protection.
- Pluggable design simplifies inspection, maintenance and replacement.
- DIN-rail mounting enables straightforward installation in electrical distribution boards.
Key Features
- ABB OVR Type 2 QuickSafe surge protection series.
- Type 2 / Class II surge protective device.
- Four protected poles in a 3+1 configuration.
- 80 kA Imax maximum discharge current.
- 30 kA In nominal discharge current.
- 6.25 kA Iimp (10/350 µs) impulse current capability.
- 440 V AC maximum continuous operating voltage (Uc).
- 2.4 kV voltage protection level (Up).
- Designed for 400 / 690 V AC systems.
- Pluggable construction for convenient servicing and replacement.
- DIN-rail mounting for integration into electrical distribution equipment.
Reliable Surge Protection for Three-Phase Electrical Installations
Type 2 surge protective devices are designed to limit transient overvoltages within low-voltage electrical installations. They safely 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 QuickSafe range is designed for coordinated surge protection in modern electrical distribution systems. The OVR T2 3N 80-440s P QS combines a 3+1 configuration, high discharge capability and pluggable construction, making it particularly suitable for protecting three-phase TT and TN-S installations and the sensitive electrical and electronic equipment connected to them.
Typical Applications
- Three-phase low-voltage electrical distribution boards.
- TT and TN-S electrical distribution systems.
- Industrial electrical installations.
- Commercial buildings and facilities.
- Machine and automation control panels.
- Building services and infrastructure installations.
- Protection of sensitive electrical and electronic equipment.
