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7P.23.8.275.1020 Finder Surge Protection Device SPD arresters 3ph
Finder 7P.23.8.275.1020 Type 2 surge protection device for three-phase 230/400 V systems, featuring 3-pole varistor protection, 275 V AC maximum continuous operating voltage, 20 kA nominal discharge current and DIN rail mounting.
£116.98
Why Choose the Finder 7P.23.8.275.1020 Surge Protection Device?
The Finder 7P.23.8.275.1020 is a reliable Type 2 surge protection device (SPD) designed to protect three-phase low-voltage electrical installations from transient overvoltages caused by induced surges and switching events. As part of the Finder 7P Series, it is suitable for 230/400 V systems requiring dependable surge protection in distribution boards, switchboards and industrial control panels.
This surge arrester uses three replaceable varistor protection modules to provide coordinated protection across three-phase electrical systems. Its modular DIN rail design supports quick installation, while visual and remote signalling functions help indicate varistor status for easier maintenance and preventative inspection.
With a 275 V AC maximum continuous operating voltage, 20 kA nominal discharge current and IP20 protection rating, the Finder 7P.23.8.275.1020 is ideal for protecting switchgear, automation equipment, power supplies and sensitive electrical devices from damaging voltage peaks.
Key Advantages
- Type 2 surge protection device for three-phase low-voltage installations.
- 3-pole configuration suitable for 230/400 V electrical systems.
- Three replaceable varistor modules for coordinated phase protection.
- 20 kA nominal discharge current for reliable surge handling.
- Visual and remote signalling supports easier condition monitoring.
- Compact 35 mm DIN rail mounting for control panels and switchboards.
Key Features
- Finder 7P Series surge protection device.
- Type 2 SPD classification.
- Three-phase surge protection.
- 3-pole design with three varistors.
- 230 V AC nominal voltage.
- 275 V AC / 350 V DC maximum continuous operating voltage.
- Voltage protection level up to 1.2 kV.
- IP20 protection rating for enclosed electrical installations.
Reliable Type 2 Surge Protection for Three-Phase Systems
Type 2 surge protection devices are commonly installed in electrical distribution boards and control panels to limit transient overvoltages before they reach connected equipment. This helps protect switchgear, power supplies, PLCs, drives, instrumentation and other sensitive electrical components.
The Finder 7P.23.8.275.1020 is designed for three-phase installations where compact, modular and maintainable surge protection is required. Its replaceable varistor modules and signalling functions make it suitable for professional industrial, commercial and OEM electrical panels.
Typical Applications
- Three-phase electrical distribution boards.
- Industrial control panels and automation cabinets.
- Commercial switchboards and building services systems.
- Protection of power supplies, PLCs and control equipment.
- Machinery control systems and OEM electrical panels.
- Low-voltage 230/400 V surge protection applications.
Technical Specifications
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| Poles | 3-pole | |
|---|---|---|
| Device Type | Surge protection device | |
| SPD Type | Type 2 | |
| Nominal Discharge Current (In) | 20 kA | |
| Manufacturer | Finder | |
| Series | 7P Series | |
| Model | 7P.23.8.275.1020 | |
| Product type | Surge protection device / surge arrester | |
| SPD Type | Type 2 | |
| System type | Three-phase 230/400 V systems | |
| Number of poles | 3 poles | |
| Protection technology | Three varistor modules | |
| Nominal voltage | 230 V AC | |
| Maximum continuous operating voltage | 275 V AC / 350 V DC | |
| Nominal discharge current | 20 kA | |
| Voltage protection level | 1.2 kV | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail mounting | |
| Dimensions (H × W × D) | approx. 89.8 × 52.5 × 56.9 mm | |
| Operating temperature | -40 °C to +80 °C | |
| Country of origin | Italy | |
| HS Code | 85363030 |
Frequently Asked Questions
What is the Finder 7P.23.8.275.1020 used for?
The Finder 7P.23.8.275.1020 is used to protect three-phase low-voltage electrical installations from transient overvoltages caused by induced surges and switching events.
What type of surge protection device is this?
This product is a Type 2 surge protection device, designed for panel-level surge protection in low-voltage electrical systems.
How many poles does this SPD have?
The Finder 7P.23.8.275.1020 has a 3-pole configuration with three varistor protection modules.
What is the nominal discharge current?
The device has a 20 kA nominal discharge current, making it suitable for protecting distribution boards and control panels from induced and switching surges.
How is the Finder 7P.23.8.275.1020 installed?
The surge protection device is designed for 35 mm DIN rail mounting inside electrical distribution boards, switchboards and control panels.
Trusted by Electrical Professionals Worldwide
Finder 7P Series surge protection devices are widely used by electrical contractors, panel builders and automation engineers to help protect low-voltage installations and sensitive equipment from damaging surge events.
