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7P.13.8.275.1012 Finder Surge Protection Device SPD arresters 3ph

7P.13.8.275.1012 Finder Surge Protection Device SPD arresters 3ph

Finder 7P.13.8.275.1012 Type 1+2 surge protection device for three-phase TN-C systems with 3+0 protection, 275 V AC operating voltage, 12.5 kA lightning impulse current and DIN rail mounting.

SKU: 7P.13.8.275.1012Alt SKU: 7P1382751012MPN: 7P.13.8.275.1012
Price
List Price £376.34 ex VAT
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£376.34
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Why Choose the Finder 7P.13.8.275.1012 Surge Protection Device?

The Finder 7P.13.8.275.1012 is a robust Type 1+2 surge protection device (SPD) designed to protect three-phase TN-C low-voltage electrical systems against transient overvoltages caused by direct lightning strikes, induced surges and switching events. Part of the trusted Finder 7P Series, it is engineered to safeguard industrial and commercial electrical installations where reliable surge protection is essential.

This surge arrester features three integrated varistor and encapsulated spark gap protection modules, providing coordinated protection between L1, L2, L3 and the PEN conductor. Its replaceable modules, visual status indication and remote signalling contact simplify maintenance while helping maximise system uptime.

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.13.8.275.1012 is ideal for electrical distribution boards, industrial control panels, road lighting, infrastructure and machinery installations operating on three-phase TN-C networks.

Key Advantages

  • Type 1+2 surge protection device for three-phase TN-C systems.
  • 3-pole (3+0) configuration with L1, L2 and L3 to PEN protection.
  • 12.5 kA lightning impulse current per pole.
  • 30 kA nominal discharge current for reliable surge handling.
  • Replaceable protection modules simplify servicing.
  • Visual and remote status indication for efficient maintenance.

Key Features

  • Finder 7P Series surge protection device.
  • Type 1+2 SPD classification.
  • Three-phase TN-C network compatibility.
  • 3+0 protection arrangement.
  • 275 V AC maximum operating voltage.
  • Three combined varistor and encapsulated spark gap modules.
  • 35 mm DIN rail mounting to EN 60715.
  • IP20 protection rating for enclosed electrical installations.

Reliable Surge Protection for TN-C Electrical Systems

Surge protection devices help divert transient overvoltages away from sensitive electrical equipment before damage can occur. This helps protect switchgear, industrial automation equipment, power supplies, drives and control systems while improving the reliability of electrical installations.

The Finder 7P.13.8.275.1012 is specifically designed for three-phase TN-C installations requiring coordinated Type 1+2 protection at the boundary between lightning protection zones. Its replaceable modules and remote signalling functions make it well suited to demanding industrial environments.

Typical Applications

  • Three-phase TN-C electrical distribution boards.
  • Industrial control panels.
  • Road and tunnel lighting installations.
  • Machinery and OEM electrical systems.
  • Commercial and industrial power distribution.
  • Infrastructure and building services installations.

Technical Specifications

Manufacturer Finder
Series 7P Series
Model 7P.13.8.275.1012
Product type Surge protection device / surge arrester
SPD Type Type 1+2
Network type Three-phase TN-C
Protection arrangement 3+0 (L1, L2, L3 to PEN)
Number of poles 3
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
Poles 3-pole
Device Type Surge protection device
SPD Type Type 1+2
Nominal Discharge Current (In) 30 kA
Earthing System TN-C

Frequently Asked Questions

What is the Finder 7P.13.8.275.1012 used for?

The Finder 7P.13.8.275.1012 protects three-phase TN-C electrical systems against 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.

Which electrical systems is it designed for?

The device is designed specifically for three-phase TN-C systems using a 3+0 protection arrangement.

How is the Finder 7P.13.8.275.1012 installed?

The surge protection device mounts onto a standard 35 mm DIN rail inside electrical distribution boards and control panels.

Does the device include status indication?

Yes. The Finder 7P.13.8.275.1012 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 deliver dependable protection for industrial and commercial electrical installations.

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