Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
2CTB815710R1200 ABB OVR T1-T2 12.5-275s P QS Type 1+2 Surge Protective Device
ABB OVR T1-T2 12.5-275s P QS is a single-pole combined Type 1+2 surge protective device for 230 V AC installations with 275 V AC maximum continuous operating voltage, 12.5 kA impulse current and 80 kA maximum discharge current.
£126.77
Why Choose the ABB OVR T1-T2 12.5-275s P QS Surge Protective Device?
The ABB OVR T1-T2 12.5-275s P 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 single-pole device.
Designed for use in suitable TT, TN-S and TN-C distribution systems, the OVR T1-T2 12.5-275s P QS uses spark-gap and varistor technology with a replaceable protection module and ABB QuickSafe end-of-life indication. Its safety reserve and pluggable construction help simplify maintenance while providing dependable protection for industrial, commercial and building electrical installations.
With an impulse current (Iimp) of 12.5 kA using a 10/350 µs waveform, maximum discharge current (Imax) of 80 kA using an 8/20 µs waveform and 275 V AC maximum continuous operating voltage, the OVR T1-T2 12.5-275s P QS provides robust protection for 230 V AC systems. The device is supplied under ABB order code 2CTB815710R1200.
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).
- 80 kA maximum discharge current Imax (8/20 µs).
- 30 kA nominal discharge current In (8/20 µs).
- 275 V AC maximum continuous operating voltage.
- 1.1 kV voltage protection level (Up).
- ABB QuickSafe end-of-life indication and safety reserve.
- Replaceable protection module simplifies servicing and maintenance.
- Compact single-module DIN-rail design for electrical distribution boards.
Key Features
- ABB OVR T1-T2 QuickSafe surge protection series.
- Combined Type 1+2 surge protective device.
- Single-pole L1 configuration.
- 12.5 kA Iimp lightning impulse current capability.
- 80 kA Imax maximum discharge current.
- 30 kA In nominal discharge current.
- 230 V AC nominal voltage.
- 275 V AC maximum continuous operating voltage (Uc).
- 1.1 kV voltage protection level (Up).
- Spark-gap and varistor surge protection technology.
- Replaceable protection module with QuickSafe end-of-life indication.
- DIN-rail mounting for straightforward integration into distribution boards.
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 performance handles surge currents characterised by an 8/20 µs waveform, helping protect downstream electrical and electronic equipment.
The ABB OVR T1-T2 QuickSafe range is designed for coordinated protection of low-voltage installations. The OVR T1-T2 12.5-275s P QS combines high discharge capability, replaceable protection technology, a safety reserve and QuickSafe end-of-life indication in a compact DIN-rail device suitable for use in appropriate TT, TN-S and TN-C systems.
Typical Applications
- Main low-voltage electrical distribution boards.
- 230 V AC electrical distribution systems.
- TT, TN-S and TN-C electrical installations.
- Industrial electrical installations.
- Commercial buildings and facilities.
- Installations requiring combined lightning current and surge protection.
- Machine and automation electrical panels.
- Protection of sensitive electrical and electronic equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Remote Signal | No | |
|---|---|---|
| Device Type | Surge protection device | |
| SPD Type | Type 1+2 | |
| Impulse Current Iimp (kA) | 12.5 kA | |
| Series | OVR T1-T2 QuickSafe | |
| ABB order code | 2CTB815710R1200 | |
| Product group | Surge Protection Devices | |
| Product type | Combined Type 1+2 surge protective device | |
| Test class | Type 1 + Type 2 | |
| Variant | L1 | |
| Number of modules | 1 | |
| Number of protected lines | 1 | |
| Distribution systems | TT (L-N), TN-S, TN-C | |
| Nominal voltage (Un) | 230 V AC | |
| Maximum continuous operating voltage (Uc) | 275 V AC | |
| Impulse current Iimp (10/350 µs) | 12.5 kA | |
| Nominal discharge current In (8/20 µs) | 30 kA | |
| Maximum discharge current Imax (8/20 µs) | 80 kA | |
| Voltage protection level (Up) | 1.1 kV | |
| Technology | Spark gap / varistor | |
| Replaceable module | Yes | |
| Safety reserve | Yes | |
| QuickSafe end-of-life indicator | Yes | |
| Auxiliary contact | No | |
| Maximum backup fuse | 160 A | |
| Maximum backup circuit breaker | 125 A | |
| Solid Cu conductor capacity | up to 50 mm² | |
| Flexible Cu conductor capacity | up to 35 mm² | |
| Tightening torque | 3.5 Nm | |
| Ambient operating temperature | -40 to +80 °C | |
| Storage temperature | -40 to +80 °C | |
| Protection rating | IP20 | |
| Standard | EN 61643-11 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 85 × 17.8 × 69.4 mm | |
| Weight | approx. 0.15 kg |
Frequently Asked Questions
What is the ABB OVR T1-T2 12.5-275s P QS used for?
This device provides combined Type 1+2 lightning current and surge protection for low-voltage electrical installations, helping protect downstream equipment against lightning effects and transient overvoltages.
What is the impulse current rating of the OVR T1-T2 12.5-275s P QS?
The device has an impulse current Iimp of 12.5 kA using a 10/350 µs waveform and a maximum discharge current Imax of 80 kA using an 8/20 µs waveform.
What is the maximum continuous operating voltage?
The ABB OVR T1-T2 12.5-275s P QS has a maximum continuous operating voltage Uc of 275 V AC and a nominal voltage Un of 230 V AC.
Does the OVR T1-T2 12.5-275s P QS have a replaceable module?
Yes. The device has a replaceable protection module and incorporates ABB QuickSafe end-of-life indication and a safety reserve to support straightforward inspection and maintenance.
What is the ABB order code for the OVR T1-T2 12.5-275s P QS?
The ABB order code is 2CTB815710R1200.
Trusted ABB Lightning and Surge Protection Technology
ABB OVR QuickSafe combined Type 1+2 surge protective devices are designed to protect low-voltage installations against lightning currents and transient overvoltages, providing coordinated protection for electrical and electronic equipment in industrial, commercial and infrastructure applications.
