Why Choose the Finder 7P.44.8.275.1020 Type 2 Surge Protection Device?
The Finder 7P.44.8.275.1020 is a Type 2 surge protection device (SPD) from the Finder 7P Series, designed to protect compatible three-phase low-voltage electrical installations against transient overvoltages caused by induced lightning activity and electrical switching disturbances. Its four-pole construction makes it suitable for electrical distribution applications requiring protection across three-phase and neutral conductors.
Designed for installation in electrical distribution boards and industrial control panels, the Finder 7P.44.8.275.1020 helps limit potentially damaging voltage surges before they reach sensitive electrical equipment. Its modular construction supports straightforward panel integration, while the remote signalling function enables compatible monitoring systems to detect changes in the condition of the surge protection device.
With a 275 V AC voltage designation and 20 kA nominal discharge current, this Finder Type 2 SPD provides a practical solution for protecting appropriately configured three-phase electrical systems. Its DIN rail-mounted design makes it suitable for use in industrial distribution panels, building services installations and automation enclosures where dependable transient overvoltage protection is required.
Key Advantages
- Type 2 surge protection for compatible three-phase low-voltage installations.
- Four-pole configuration for electrical systems incorporating three-phase and neutral conductors.
- 275 V AC voltage designation for appropriately rated electrical networks.
- 20 kA nominal discharge current for protection against transient surge events.
- Remote signalling capability supports external monitoring of SPD condition.
- Helps protect industrial control equipment, electrical power supplies and distribution components.
- Modular construction supports convenient installation and maintenance.
- DIN rail mounting simplifies integration into electrical distribution boards.
- Suitable for coordinated surge protection arrangements in commercial and industrial installations.
Key Features
- Finder 7P Series surge protection device.
- Type 2 SPD classification.
- Four-pole construction.
- 275 V AC voltage designation.
- 20 kA nominal discharge current.
- Designed for protection against induced lightning and electrical switching surges.
- Integrated remote signalling functionality for compatible monitoring systems.
- Modular design for electrical distribution and industrial control applications.
- DIN rail-mounted installation format.
- Suitable for use as part of a coordinated electrical surge protection system.
Technical Specifications
- Manufacturer: Finder
- Series: 7P Series
- Model: 7P.44.8.275.1020
- Product type: Surge protection device with remote signalling
- SPD classification: Type 2
- Number of poles: 4
- Voltage designation: 275 V AC
- Nominal discharge current: 20 kA
- Remote signalling: Included
- Primary function: Transient overvoltage protection
- Electrical application: Compatible three-phase low-voltage AC installations
- Mounting: DIN rail
- Installation: Suitable electrical distribution boards and control enclosures
Surge Protection for Three-Phase Electrical Distribution and Automation
Transient overvoltages can be introduced into electrical installations through incoming supply networks, switching operations and nearby lightning activity. The Finder 7P.44.8.275.1020 is designed to reduce the impact of these disturbances by limiting transient voltage stress on connected electrical equipment. This makes surge protection particularly valuable in installations containing sensitive automation equipment, control electronics and industrial power supplies.
The remote signalling function allows the SPD's condition to be incorporated into a compatible monitoring or alarm system, supporting preventative maintenance and helping operators identify when attention is required. Correct selection and installation must take account of the electrical network voltage, earthing arrangement, upstream protective devices and applicable installation standards.
Typical Applications
- Three-phase electrical distribution boards.
- Industrial automation and machinery control panels.
- Commercial building electrical infrastructure.
- Electrical switchboards with neutral conductors.
- Industrial power supply protection.
- Building management and electrical monitoring systems.
- Distribution panels requiring remote SPD status indication.
- Coordinated Type 2 surge protection installations.
