Why Choose the Finder 7P.20.9.500.0015 Surge Protection Replacement Module?
The Finder 7P.20.9.500.0015 is a high-performance replacement varistor module for Type 2 surge protection devices (SPDs), designed to protect photovoltaic installations and sensitive electrical equipment against transient overvoltages. As part of the reliable Finder 7P surge protection series, this module provides an effective and convenient solution for maintaining surge protection in compatible DC electrical systems.
This replaceable metal oxide varistor (MOV) cartridge is engineered to divert transient surge currents caused by lightning-induced overvoltages and electrical switching events. Its modular construction enables maintenance engineers and installers to replace an exhausted surge protection element without replacing the complete compatible SPD assembly, helping reduce maintenance costs, installation time and equipment downtime.
With a maximum continuous operating voltage of 510 V DC, a 15 kA nominal discharge current and a 40 kA maximum discharge current, the Finder 7P.20.9.500.0015 provides dependable surge protection for compatible photovoltaic surge arresters. Its compact plug-in design, rapid response and visual condition indication make it suitable for solar power installations, renewable energy infrastructure and industrial DC electrical protection systems.
Key Advantages
- Genuine Finder replacement varistor module for compatible 7P Series surge protection devices.
- 510 V DC maximum continuous operating voltage for photovoltaic surge protection applications.
- 15 kA nominal discharge current for effective protection against transient overvoltages.
- 40 kA maximum discharge current for handling high-energy surge events.
- Type 2 surge protection technology designed for photovoltaic DC installations.
- Plug-in replacement design simplifies maintenance without replacing the complete surge arrester.
- Integrated visual status indication helps identify when module replacement is required.
- 25 ns response time provides rapid suppression of transient voltage surges.
- Compact construction supports efficient use of space inside electrical enclosures.
- Compatible with selected Finder 7P photovoltaic surge protection assemblies.
Key Features
- Finder 7P Series surge protection replacement module.
- Metal oxide varistor (MOV) surge protection technology.
- 510 V DC maximum continuous operating voltage (UCPV).
- 15 kA nominal discharge current (In) with an 8/20 µs surge waveform.
- 40 kA maximum discharge current (Imax) with an 8/20 µs surge waveform.
- 2 kV voltage protection level (Up).
- 25 ns response time for rapid transient suppression.
- Mechanical visual indicator for identifying healthy or failed varistor condition.
- Replaceable cartridge construction for compatible Type 2 photovoltaic SPDs.
- Suitable for operation in ambient temperatures from −40 to +80 °C.
- IP20 protection rating for installation within compatible electrical protection assemblies.
- Designed for quick replacement in compatible Finder SPD bases without disturbing existing electrical connections.
Technical Specifications
- Manufacturer: Finder
- Series: 7P Surge Protection Devices
- Model: 7P.20.9.500.0015
- Alternative part number: 7P2095000015
- Product type: Replacement surge protection varistor module
- Protection technology: Metal oxide varistor (MOV)
- Surge protection application: Type 2 photovoltaic DC surge protection
- Maximum continuous operating voltage (UCPV): 510 V DC
- Nominal discharge current (In): 15 kA (8/20 µs)
- Maximum discharge current (Imax): 40 kA (8/20 µs)
- Voltage protection level (Up): 2 kV
- Response time (ta): 25 ns
- Ambient operating temperature: −40 to +80 °C
- Protection rating: IP20
- Installation type: Plug-in replacement cartridge
- Status indication: Mechanical visual indicator
- Dimensions (H × W × D): 48.3 × 17.4 × 45 mm
- Net weight: approx. 57.1 g
- EAN: 8012823368528
- Country of origin: Czechia
- Compatible equipment: Selected Finder 7P photovoltaic surge protection devices
- Application: DC photovoltaic surge protection systems
Reliable Surge Protection for Photovoltaic Installations
Surge protection devices help safeguard electrical installations against transient overvoltages caused by lightning activity and electrical switching disturbances. The Finder 7P.20.9.500.0015 uses metal oxide varistor technology, which maintains high electrical resistance during normal operation and becomes conductive when subjected to a sufficiently high transient voltage. This allows surge current to be diverted through the correctly installed SPD assembly, reducing the voltage stress experienced by connected equipment.
The Finder 7P Series is designed for reliable surge protection in electrical distribution and photovoltaic applications. The 7P.20.9.500.0015 replacement module is specifically intended for compatible DC photovoltaic surge protection assemblies and features a 510 V DC maximum continuous operating voltage. Its 2 kV voltage protection level and 25 ns response time provide rapid protection against potentially damaging voltage transients.
Unlike complete surge protection devices, this product is a replacement varistor cartridge designed to be fitted into a compatible Finder SPD base or assembly. It is not a standalone surge arrester and must be installed with the appropriate protective equipment. Its replaceable design enables an exhausted module to be exchanged while retaining the serviceable base assembly, helping restore the intended surge protection capability without replacing the complete unit.
Typical Applications
- Photovoltaic solar panel DC surge protection systems.
- Solar inverter DC input protection assemblies.
- Replacement cartridges for compatible Finder 7P Type 2 surge arresters.
- Renewable energy electrical installations.
- Commercial and industrial photovoltaic installations.
- Solar power generation and distribution equipment.
- Electrical control cabinets containing compatible DC surge protection devices.
- Preventative maintenance and replacement of exhausted surge protection modules.
- Protection of sensitive photovoltaic system components against transient overvoltages.
- Industrial DC electrical systems using compatible Finder 7P surge protection assemblies.
