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7P.09.1.255.0100 Finder Surge Protection Device SPD type 12
Finder 7P.09.1.255.0100 Type 1 gas discharge tube surge protection module for N-PE protection in three-phase 3+1 systems with 100 kA lightning impulse current capability.
£205.87
Why Choose the Finder 7P.09.1.255.0100 Surge Protection Module?
The Finder 7P.09.1.255.0100 is a high-capacity Type 1 surge protection module designed specifically for neutral to protective earth (N-PE) protection in three-phase 3+1 surge protection configurations. Part of the trusted Finder 7P Series, it provides dependable protection against high-energy lightning currents and transient overvoltages in industrial and commercial electrical installations.
Designed for use alongside Finder 7P.01 Type 1+2 surge protection devices, this replaceable gas discharge tube (GDT) module delivers effective N-PE protection while maintaining high insulation resistance and eliminating leakage current during normal operation. Its modular design allows quick replacement, reducing maintenance time and improving system availability.
With a 255 V AC maximum continuous operating voltage, 100 kA lightning impulse current and compact 35 mm DIN rail mounting, the Finder 7P.09.1.255.0100 is ideal for low-voltage switchboards, industrial control panels and power distribution systems requiring professional-grade surge protection.
Key Advantages
- Type 1 surge protection module for N-PE applications.
- Designed for three-phase 3+1 surge protection systems.
- 100 kA lightning impulse current capability.
- Replaceable module for simplified maintenance.
- Remote signalling contact indicates GDT module presence.
- Compatible with Finder 7P.01 Type 1+2 surge protection devices.
Key Features
- Finder 7P Series surge protection module.
- Type 1 SPD.
- Gas discharge tube (GDT) technology.
- N-PE protection for 3+1 configurations.
- 255 V AC maximum continuous operating voltage.
- 100 kA lightning impulse current.
- 35 mm DIN rail mounting.
- Replaceable module with remote status signalling.
Reliable N-PE Surge Protection
Neutral to protective earth surge protection is essential for protecting electrical installations against high-energy lightning currents. The Finder 7P.09.1.255.0100 is specifically engineered to provide dedicated N-PE protection within coordinated 3+1 surge protection systems, helping minimise the risk of damage to switchgear, automation equipment and sensitive electronics.
Its high discharge capability, replaceable construction and remote signalling functionality make it suitable for industrial switchboards, commercial buildings and critical infrastructure requiring dependable overvoltage protection.
Typical Applications
- Industrial electrical switchboards.
- Three-phase 3+1 surge protection systems.
- Power distribution panels.
- Commercial building electrical installations.
- Automation and machinery control panels.
- Protection of sensitive electronic equipment.
Technical Specifications
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| Impulse Current Iimp (kA) | 100 kA | |
|---|---|---|
| Device Type | Surge protection device | |
| SPD Type | Type 1 | |
| Nominal Discharge Current (In) | 100 kA | |
| Manufacturer | Finder | |
| Series | 7P Series | |
| Model | 7P.09.1.255.0100 | |
| Product type | Type 1 surge protection module | |
| SPD Type | Type 1 | |
| Protection technology | Gas discharge tube (GDT) | |
| Application | N-PE protection | |
| Configuration | 3+1 systems | |
| Maximum continuous operating voltage (Uc) | 255 V AC | |
| Lightning impulse current (Iimp) | 100 kA (10/350 µs) | |
| Nominal discharge current (In) | 100 kA (8/20 µs) | |
| Voltage protection level (Up) | 1.5 kV | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail | |
| Dimensions (W × H × D) | approx. 36 × 90 × 66 mm | |
| Operating temperature | -40 °C to +80 °C | |
| HS Code | 85363030 |
Frequently Asked Questions
What is the Finder 7P.09.1.255.0100 used for?
The Finder 7P.09.1.255.0100 provides dedicated neutral to protective earth (N-PE) surge protection within three-phase 3+1 surge protection systems.
Is this a complete surge protection device?
No. It is a Type 1 N-PE GDT protection module designed to be used together with compatible Finder 7P.01 Type 1+2 surge protection devices.
What is the maximum lightning impulse current?
The module is rated for a 100 kA (10/350 µs) lightning impulse current.
Can the protection module be replaced?
Yes. The Finder 7P.09.1.255.0100 features a replaceable module design to simplify maintenance and minimise downtime.
How is the module installed?
The unit is designed for standard 35 mm DIN rail mounting inside electrical distribution boards and control panels.
Trusted by Electrical Professionals Worldwide
Finder 7P Series surge protection products are trusted by electrical contractors, panel builders and automation engineers for delivering dependable protection against lightning-induced and transient overvoltages.
