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2CTB803883R2400 ABB OVR T2 3L 40-350 P QS Surge Protective Device
ABB OVR T2 3L 40-350 P QS is a three-pole Type 2 surge protective device with 40 kA maximum discharge current, 20 kA nominal discharge current and 350 V AC maximum continuous operating voltage for three-phase TNC electrical installations.
£204.72
Why Choose the ABB OVR T2 3L 40-350 P QS Surge Protective Device?
The ABB OVR T2 3L 40-350 P 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 lightning activity and switching events. As part of the proven ABB OVR QuickSafe surge protection range, it provides dependable protection for sensitive electrical and electronic equipment in commercial and industrial installations.
Designed for three protected lines in TNC networks, the OVR T2 3L 40-350 P QS combines a nominal discharge current of 20 kA with a maximum discharge current of 40 kA per pole. Its pluggable cartridge construction simplifies inspection and replacement, while ABB QuickSafe technology provides integrated thermal disconnection for reliable surge protection throughout the device's service life.
With a maximum continuous operating voltage of 350 V AC, a nominal system voltage of 230/400 V AC and a voltage protection level of 1.5 kV, this three-pole SPD is suited to distribution boards and electrical panels where effective Type 2 protection is required. Its compact DIN-rail format and visual status indication support straightforward installation and maintenance.
Key Advantages
- Reliable Type 2 surge protection for three-phase electrical installations.
- 40 kA maximum discharge current for effective transient overvoltage protection.
- 20 kA nominal discharge current with an 8/20 µs current waveform.
- 350 V AC maximum continuous operating voltage.
- Pluggable cartridges simplify servicing and replacement.
- Integrated ABB QuickSafe technology with thermal disconnection.
- Visual status indication allows rapid inspection of protection condition.
- Compact DIN-rail design for installation in electrical distribution boards.
Key Features
- ABB OVR T2 QuickSafe series.
- Type 2 / Class II surge protective device.
- Three protected lines for TNC systems.
- 40 kA maximum discharge current Imax per pole.
- 20 kA nominal discharge current In per pole.
- 1.5 kV voltage protection level Up.
- 350 V AC maximum continuous operating voltage Uc.
- Pluggable phase cartridges for convenient maintenance.
- Integrated thermal disconnector and QuickSafe technology.
- Visual operating status indicator.
- DIN-rail mounting for modular distribution equipment.
Reliable Surge Protection for Electrical Installations
Type 2 surge protective devices are installed in low-voltage distribution systems to limit transient overvoltages before they can damage connected equipment. The ABB OVR T2 range safely diverts surge currents to earth, helping protect control systems, electronic equipment, machinery and other sensitive electrical loads.
The OVR T2 3L 40-350 P QS is particularly suited to three-phase TNC distribution systems. Its 40 kA maximum discharge capability, replaceable cartridges and QuickSafe thermal protection make it a practical solution for both new installations and surge protection upgrades in commercial and industrial electrical panels.
Typical Applications
- Three-phase low-voltage distribution boards.
- Commercial and industrial electrical installations.
- Industrial machinery and automation panels.
- Building electrical distribution systems.
- Protection of PLCs, drives and electronic control equipment.
- Power distribution and switchgear assemblies.
Technical Specifications
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| Remote Signal | No | |
|---|---|---|
| SPD Type | Type 2 | |
| Poles | 3-pole | |
| Earthing System | TN-C | |
| Device Type | Surge protection device | |
| Series | OVR T2 QuickSafe | |
| ABB order code | 2CTB803883R2400 | |
| Product group | Surge Protection Devices | |
| Product type | Type 2 surge protective device | |
| SPD classification | Type 2 / Class II | |
| Protected lines | 3 | |
| System network | TNC | |
| Nominal system voltage Un | 230/400 V AC | |
| Maximum continuous operating voltage Uc | 350 V AC | |
| Maximum discharge current Imax (8/20 µs) | 40 kA | |
| Nominal discharge current In (8/20 µs) | 20 kA | |
| Voltage protection level Up | 1.5 kV | |
| Short-circuit withstand capability Isccr | 100 kA | |
| Maximum backup circuit breaker | 125 A | |
| Cartridge type | Pluggable | |
| Phase cartridge | OVR T2 40-350 C QS | |
| Technology | QuickSafe | |
| Mounting type | DIN rail | |
| Width | 53.4 mm | |
| Dimensions (H × W × D) | approx. 85 × 53.4 × 64.8 mm | |
| Weight | approx. 0.36 kg |
Frequently Asked Questions
What is the ABB OVR T2 3L 40-350 P QS used for?
It is a Type 2 surge protective device used to protect three-phase low-voltage electrical installations and connected equipment against transient overvoltages.
What is the maximum discharge current of this SPD?
The OVR T2 3L 40-350 P QS has a maximum discharge current Imax of 40 kA per pole using an 8/20 µs waveform.
What is the nominal discharge current?
The device has a nominal discharge current In of 20 kA per pole using an 8/20 µs waveform.
What voltage is the OVR T2 3L 40-350 P QS designed for?
It is designed for a nominal 230/400 V AC system and has a maximum continuous operating voltage Uc of 350 V AC.
Can the surge protection cartridges be replaced?
Yes. The OVR T2 3L 40-350 P QS uses pluggable surge protection cartridges, allowing individual cartridges to be replaced without replacing the complete base assembly.
Trusted ABB Surge Protection Technology
ABB OVR surge protective devices combine high surge discharge capability, pluggable construction and QuickSafe technology to provide dependable protection for modern commercial and industrial low-voltage electrical installations.
