Why Choose the Finder 7P.20.8.075.0015 Varistor Surge Protection Replacement Module?
The Finder 7P.20.8.075.0015 is a specialist plug-in varistor surge protection replacement module designed for compatible Finder Series 7P Type 2 surge protection devices (SPDs). Engineered for low-voltage AC and DC electrical installations, this replacement cartridge helps maintain protection against transient overvoltages caused by electrical switching operations, induced lightning surges and other power system disturbances.
Featuring metal oxide varistor (MOV) protection technology, the Finder 7P.20.8.075.0015 provides a 15 kA nominal discharge current (In) and 40 kA maximum discharge current (Imax), measured using an 8/20 µs surge waveform. Its low 0.4 kV voltage protection level (Up) makes it particularly suitable for compatible low-voltage installations where effective limitation of transient overvoltages is essential.
With a maximum continuous operating voltage of 75 V AC or 100 V DC, the Finder 7P.20.8.075.0015 is designed for use with compatible Finder 7P.21.8.075.1015 Type 2 surge protection assemblies. Its compact plug-in construction, IP20 protection rating and wide operating temperature range make it a practical maintenance solution for industrial control systems, electrical distribution equipment and low-voltage power supplies.
Key Advantages
- Genuine Finder Series 7P Type 2 surge protection replacement cartridge.
- Metal oxide varistor technology provides protection against transient overvoltages.
- 15 kA nominal discharge current for dependable surge protection.
- 40 kA maximum discharge current for handling higher-energy surge events.
- 0.4 kV voltage protection level helps limit residual surge voltage.
- 75 V AC / 100 V DC maximum continuous operating voltage for compatible low-voltage electrical systems.
- Plug-in modular construction enables convenient replacement without changing the complete SPD base.
- Mechanically coded design supports correct installation in compatible Finder surge protection assemblies.
- IP20 protection rating for installation inside suitable electrical distribution equipment.
- −40 to +80 °C operating temperature range for demanding industrial environments.
- Compact 17.4 mm module width helps minimise installation space.
- Suitable for industrial automation, low-voltage power distribution and electrical control systems.
Key Features
- Finder Series 7P surge protection replacement module.
- 7P.20 plug-in varistor cartridge configuration.
- Type 2 SPD replacement module for compatible assemblies.
- Metal oxide varistor (MOV) protection technology.
- 75 V AC maximum continuous operating voltage (Uc).
- 100 V DC maximum continuous operating voltage (Uc).
- 15 kA nominal discharge current (In) using an 8/20 µs waveform.
- 40 kA maximum discharge current (Imax) using an 8/20 µs waveform.
- 0.4 kV voltage protection level (Up) at nominal discharge current.
- 0.3 kV voltage protection level at 5 kA.
- 25 ns response time.
- IP20 ingress protection rating.
- −40 to +80 °C ambient operating temperature range.
- Plug-in connection to compatible Finder SPD bases.
- Compatible with Finder 7P.21.8.075.1015 surge protection assemblies.
- Compact replacement module dimensions for electrical distribution equipment.
- Mechanically coded cartridge design for designated SPD configurations.
- Replaceable varistor module rather than a standalone surge protection device.
Technical Specifications
- Manufacturer: Finder
- Series: 7P Surge Protection Devices
- Model: 7P.20.8.075.0015
- Product type: Varistor surge protection replacement module
- Protection technology: Metal oxide varistor (MOV)
- Associated SPD classification: Type 2
- Module configuration: Plug-in replacement cartridge
- Nominal system voltage: 60 V AC / 60 V DC
- Maximum continuous operating voltage (Uc): 75 V AC / 100 V DC
- Nominal discharge current (In): 15 kA (8/20 µs)
- Maximum discharge current (Imax): 40 kA (8/20 µs)
- Voltage protection level (Up): 0.4 kV
- Voltage protection level at 5 kA: 0.3 kV
- Response time: 25 ns
- Operating temperature: −40 to +80 °C
- Protection rating: IP20
- Compatible SPD: Finder 7P.21.8.075.1015
- Installation type: Plug-in connection to compatible SPD base
- Mechanical coding: Coded replacement module
- Module width: 17.4 mm
- Module height: 48.3 mm
- Module depth: 45 mm
- Net weight: approx. 44.4 g
- Maximum associated backup fuse: 160 A gL/gG
- Associated short-circuit current rating: 50 kA rms
- Applicable SPD standards: IEC/EN 61643-11
- Mounting arrangement: Replacement cartridge within an existing SPD assembly
- EAN / GTIN: 8012823396309
- Country of origin: Czech Republic
Reliable Low-Voltage AC and DC Surge Protection
Industrial electrical installations frequently contain sensitive electronic equipment operating from low-voltage AC and DC power supplies. Programmable logic controllers, instrumentation circuits, communication equipment and electronic control modules can be vulnerable to transient overvoltages caused by switching operations, inductive loads and lightning-induced disturbances.
The Finder 7P.20.8.075.0015 varistor replacement module is designed to help maintain surge protection in compatible low-voltage electrical systems. Its 75 V AC / 100 V DC maximum continuous operating voltage makes it suitable for designated surge protection assemblies serving lower-voltage circuits where standard mains-voltage SPD modules would be inappropriate.
The module uses metal oxide varistor technology, which responds to transient overvoltages by becoming conductive and diverting surge current through the intended protective path. With a 15 kA nominal discharge current, 40 kA maximum discharge current and 0.4 kV voltage protection level, it provides specified surge-limiting performance within compatible Finder Type 2 SPD assemblies.
The plug-in cartridge design allows a worn or exhausted protection module to be replaced without removing the complete surge protection assembly, provided the base remains serviceable. This helps reduce maintenance time and supports continued protection of industrial electrical equipment.
The Finder 7P.20.8.075.0015 is intended for use with the Finder 7P.21.8.075.1015 surge protection assembly. Replacement should be performed by a qualified electrical professional, with the installed SPD model, system voltage, earthing arrangement and manufacturer's instructions checked before installation.
Typical Applications
- Replacement cartridges for Finder 7P.21.8.075.1015 Type 2 surge protection devices.
- Low-voltage AC and DC electrical distribution systems.
- Industrial electrical control cabinets and automation panels.
- PLC and industrial control power supply protection.
- Low-voltage instrumentation and monitoring circuits.
- Electrical installations requiring 75 V AC or 100 V DC maximum continuous operating voltage protection.
- Industrial machinery and manufacturing equipment electrical systems.
- Building services and low-voltage control installations.
- Road and tunnel lighting control equipment.
- Lift and elevator control systems.
- Preventative maintenance of modular surge protection assemblies.
- Replacement of exhausted or damaged varistor protection cartridges.
