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.
7P.15.8.275.1012 Finder Surge Protection Device SPD arresters 3ph
Finder 7P.15.8.275.1012 Type 1+2 surge protection device for three-phase TT and TN-S systems with neutral, featuring four varistor modules, 275 V AC operating voltage and DIN rail mounting.
£377.27
Why Choose the Finder 7P.15.8.275.1012 Surge Protection Device?
The Finder 7P.15.8.275.1012 is a high-performance Type 1+2 surge protection device (SPD) designed to protect three-phase TT and TN-S electrical installations with neutral against transient overvoltages caused by direct lightning strikes, induced surges and switching events. As part of the proven Finder 7P Series, it delivers dependable surge protection for industrial, commercial and infrastructure applications.
This surge arrester features a 3+N configuration with four high-performance varistor protection modules, providing coordinated protection for all phases and neutral. Its replaceable modules, compact DIN rail design and visual plus remote status indication simplify installation and maintenance while maximising system availability.
With a 275 V AC maximum continuous operating voltage, 12.5 kA lightning impulse current per pole and 30 kA nominal discharge current, the Finder 7P.15.8.275.1012 is ideally suited for protecting switchboards, automation panels, machinery and sensitive electronic equipment within modern three-phase power distribution systems.
Key Advantages
- Type 1+2 surge protection device for three-phase systems.
- 3+N configuration with four integrated varistor protection modules.
- 12.5 kA lightning impulse current per pole.
- 30 kA nominal discharge current for reliable surge protection.
- Replaceable modules simplify servicing and reduce downtime.
- Visual and remote status indication for preventative maintenance.
Key Features
- Finder 7P Series surge protection device.
- Type 1+2 SPD classification.
- Suitable for TT and TN-S systems with neutral.
- 3+N pole configuration.
- Four integrated high-performance varistor modules.
- 275 V AC maximum continuous operating voltage.
- 35 mm DIN rail mounting.
- IP20 protection rating.
Reliable Surge Protection for Three-Phase Electrical Systems
Surge protection devices reduce the risk of damage caused by transient overvoltages by safely diverting surge energy away from connected equipment. This helps protect industrial drives, PLCs, switchgear, power supplies and automation systems while improving the reliability of electrical installations.
The Finder 7P.15.8.275.1012 is engineered for three-phase TT and TN-S systems where coordinated Type 1+2 protection is required at the boundary between lightning protection zones. Its replaceable modules and remote monitoring capability make it suitable for demanding industrial and commercial environments.
Typical Applications
- Three-phase electrical distribution boards.
- Industrial control panels.
- Commercial switchboards.
- Building services electrical installations.
- OEM machinery and automation systems.
- Protection of sensitive electronic equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Impulse Current Iimp (kA) | 12.5 kA | |
|---|---|---|
| Device Type | Surge protection device | |
| SPD Type | Type 1+2 | |
| Nominal Discharge Current (In) | 30 kA | |
| Earthing System | TN-S, TT | |
| Manufacturer | Finder | |
| Series | 7P Series | |
| Model | 7P.15.8.275.1012 | |
| Product type | Surge protection device / surge arrester | |
| SPD Type | Type 1+2 | |
| Network type | Three-phase TT and TN-S systems with neutral | |
| Configuration | 3+N | |
| Protection technology | Four high-performance varistor modules | |
| Nominal voltage | 230 V AC | |
| Maximum continuous operating voltage (Uc) | 275 V AC | |
| Lightning impulse current (Iimp) | 12.5 kA per pole | |
| Nominal discharge current (In) | 30 kA | |
| Maximum discharge current (Imax) | 60 kA | |
| Voltage protection level (Up) | 1.5 kV | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail mounting | |
| Operating temperature | -40 °C to +80 °C | |
| HS Code | 85363030 |
Frequently Asked Questions
What is the Finder 7P.15.8.275.1012 used for?
The Finder 7P.15.8.275.1012 protects three-phase TT and TN-S electrical systems from transient overvoltages caused by lightning strikes, induced surges and switching events.
What type of surge protection device is this?
This is a Type 1+2 surge protection device, providing combined lightning current and surge protection for three-phase installations.
Which electrical systems is it designed for?
The device is designed for three-phase TT and TN-S systems with neutral using a 3+N configuration.
How is the Finder 7P.15.8.275.1012 installed?
The surge protection device is designed for standard 35 mm DIN rail mounting inside electrical distribution boards and control panels.
Does the device include status indication?
Yes. The Finder 7P.15.8.275.1012 includes both visual status indication and a remote signalling contact for easier monitoring and maintenance.
Trusted by Electrical Professionals Worldwide
Finder 7P Series surge protection devices are trusted by electrical contractors, panel builders and automation engineers to provide dependable protection for low-voltage industrial and commercial electrical installations.
