Finder 7P.20.1.000.0020 - 7P Series Surge Protection Devices

Finder 7P.20.1.000.0020 – 7P Series Surge Protection Devices

Finder 7P.20.1.000.0020 is a plug-in spark gap surge protection replacement module with 255 V AC maximum continuous operating voltage, 20 kA nominal discharge current, 40 kA maximum discharge current and 1.5 kV voltage protection level for compatible Finder Series 7P surge protection assemblies.

SKU: 7P.20.1.000.0020Alt SKU: 7P2010000020MPN: 7P.20.1.000.0020
Price
List Price £65.82 ex VAT
Your Price (ex VAT)
£65.82
Manufacturer Lead Time Standard Manufacturer Lead Time 6-8 Weeks, Call For Express Delivery Options
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

SUBTOTAL (EX VAT) £65.82
Trade pricing is personalised to your account

Manufacturer Lead Time

£65.82

Why Choose the Finder 7P.20.1.000.0020 Spark Gap Surge Protection Replacement Module?

The Finder 7P.20.1.000.0020 is a high-performance plug-in spark gap surge protection replacement module designed for compatible Finder Series 7P surge protection devices (SPDs). Developed for low-voltage electrical distribution systems, this replacement cartridge helps maintain protection against transient overvoltages caused by lightning-induced disturbances and electrical switching operations.

Featuring spark gap discharge technology, the Finder 7P.20.1.000.0020 provides a 20 kA nominal discharge current (In) and 40 kA maximum discharge current (Imax), both measured using an 8/20 µs surge waveform. Its 1.5 kV voltage protection level (Up) helps limit transient overvoltages when the module is installed in its designated surge protection assembly.

With a 255 V AC maximum continuous operating voltage, an IP20 protection rating and a wide −40 to +80 °C operating temperature range, this mechanically coded replacement module is suitable for demanding electrical distribution applications. Its convenient plug-in design allows the protective cartridge to be replaced without changing the complete SPD base, provided the existing assembly remains serviceable.

Key Advantages

  • Genuine Finder Series 7P spark gap replacement module for compatible surge protection assemblies.
  • 20 kA nominal discharge current for effective transient overvoltage protection.
  • 40 kA maximum discharge current for handling higher-energy surge events.
  • 1.5 kV voltage protection level helps limit transient voltages reaching connected equipment.
  • 255 V AC maximum continuous operating voltage for compatible low-voltage electrical systems.
  • Spark gap protection technology designed for surge discharge applications.
  • Plug-in modular construction simplifies replacement and maintenance.
  • Mechanically coded cartridge helps ensure correct matching with compatible Finder SPD bases.
  • IP20 ingress protection for installation inside suitable electrical distribution equipment.
  • Wide −40 to +80 °C operating temperature range for demanding industrial environments.
  • Helps protect electrical distribution systems, industrial automation equipment and sensitive electronics against transient overvoltages.
  • Supports cost-effective maintenance by allowing replacement of the protective module rather than the complete SPD assembly.

Key Features

  • Finder Series 7P surge protection replacement cartridge.
  • 7P.20 mechanically coded plug-in module.
  • Spark gap surge protection technology.
  • 255 V AC maximum continuous operating voltage (Uc).
  • 20 kA nominal discharge current (In) using an 8/20 µs waveform.
  • 40 kA maximum discharge current (Imax) using an 8/20 µs waveform.
  • 1.5 kV voltage protection level (Up).
  • 100 ns specified response time.
  • IP20 protection rating.
  • −40 to +80 °C ambient operating temperature range.
  • Plug-in connection to compatible Finder Series 7P base assemblies.
  • Mechanically coded construction for designated SPD configurations.
  • Compact single-module format suitable for modular electrical distribution equipment.
  • Replacement spark gap cartridge rather than a complete standalone SPD.
  • RoHS-compliant product.

Technical Specifications

  • Manufacturer: Finder
  • Series: 7P Surge Protection Devices
  • Model: 7P.20.1.000.0020
  • Product type: Spark gap surge protection replacement module
  • Protection technology: Spark gap
  • Module configuration: Plug-in replacement cartridge
  • Nominal system voltage: 230 V AC
  • Maximum continuous operating voltage (Uc): 255 V AC
  • Nominal discharge current (In): 20 kA (8/20 µs)
  • Maximum discharge current (Imax): 40 kA (8/20 µs)
  • Voltage protection level (Up): 1.5 kV
  • Response time: 100 ns
  • Ambient operating temperature: −40 to +80 °C
  • Protection rating: IP20
  • Mounting type: Plug-in connection to compatible SPD base
  • Mechanical coding: Coded replacement module
  • Compatible product range: Finder Series 7P
  • Application: Low-voltage electrical surge protection
  • Mounting arrangement: Replacement cartridge within an existing SPD assembly
  • Integrated remote signalling contact: No
  • Integrated visual status indicator: No
  • EAN / GTIN: 8012823334738
  • Environmental compliance: RoHS

Reliable Spark Gap Protection for Electrical Distribution Systems

Electrical installations are exposed to transient overvoltages caused by lightning activity, power network disturbances and switching operations. These short-duration voltage surges can damage sensitive electronic components, interrupt industrial processes and reduce the reliability of connected electrical equipment. Properly selected surge protection devices (SPDs) help limit these transient overvoltages and reduce the risk of equipment damage.

The Finder 7P.20.1.000.0020 spark gap replacement module is designed to provide surge discharge protection within compatible Finder Series 7P assemblies. Its spark gap technology creates a conductive discharge path when the applied transient voltage exceeds the device's operating threshold, allowing surge current to be diverted through the intended protective circuit.

With a 20 kA nominal discharge current, 40 kA maximum discharge current and 1.5 kV voltage protection level, the module provides specified surge-handling characteristics for compatible low-voltage distribution applications. These values relate to the replacement module; the overall protection provided by an installation also depends on the complete SPD assembly, earthing arrangement and electrical connections.

The plug-in modular design supports straightforward maintenance of surge protection systems. When a compatible spark gap cartridge requires replacement, the 7P.20.1.000.0020 can be installed into its designated Finder SPD base without replacing the entire assembly, provided the base remains serviceable and the replacement code is correct.

For dependable operation, the module must be installed only in a compatible Finder Series 7P base. Electrical isolation, replacement procedures and verification of the complete surge protection system should be carried out by a qualified electrical professional in accordance with the manufacturer's instructions and applicable electrical installation regulations.

Typical Applications

  • Replacement spark gap cartridges for compatible Finder Series 7P surge protection devices.
  • Low-voltage electrical distribution boards and switchgear assemblies.
  • Industrial electrical control cabinets and automation panels.
  • Commercial and industrial building electrical installations.
  • Power distribution systems requiring transient overvoltage protection.
  • Electrical installations exposed to lightning-induced voltage surges.
  • PLC and industrial automation power distribution systems.
  • Motor control centres and industrial machinery electrical supplies.
  • Building services and electrical infrastructure protection.
  • Manufacturing facilities and industrial processing plants.
  • Preventative maintenance of modular surge protection assemblies.
  • Replacement of damaged or exhausted spark gap protection cartridges.

Frequently Asked Questions

What is the Finder 7P.20.1.000.0020 used for?

The Finder 7P.20.1.000.0020 is a plug-in spark gap replacement module for compatible Finder Series 7P surge protection devices. It helps maintain protection against transient overvoltages in low-voltage electrical distribution installations.

Is the Finder 7P.20.1.000.0020 a complete surge protection device?

No. The 7P.20.1.000.0020 is a replacement spark gap cartridge designed to plug into a compatible Finder SPD base. It is not intended for standalone installation.

What is the nominal discharge current of the Finder 7P.20.1.000.0020?

The module has a 20 kA nominal discharge current (In), measured using an 8/20 µs surge current waveform.

What is the maximum discharge current of this spark gap module?

The Finder 7P.20.1.000.0020 has a 40 kA maximum discharge current (Imax), measured using an 8/20 µs surge waveform.

What is the maximum continuous operating voltage of the Finder 7P.20.1.000.0020?

The module has a 255 V AC maximum continuous operating voltage (Uc) and is associated with compatible 230 V AC electrical systems. Suitability must be confirmed against the complete SPD assembly and installation requirements.

What is the voltage protection level of this module?

The Finder 7P.20.1.000.0020 has a specified 1.5 kV voltage protection level (Up), indicating the surge voltage limitation performance under the applicable test conditions.

What is spark gap surge protection technology?

A spark gap surge protector uses an electrical discharge gap that becomes conductive when subjected to a sufficiently high transient voltage. This provides a path for surge current to flow through the protective circuit rather than through sensitive connected equipment.

Can the Finder 7P.20.1.000.0020 be replaced without changing the complete SPD?

Yes. Its plug-in modular construction allows a compatible spark gap cartridge to be replaced while retaining the existing SPD base, provided the base remains serviceable and the correct replacement module is used.

What is the operating temperature range of the Finder 7P.20.1.000.0020?

The module is designed for operation in ambient temperatures from −40 to +80 °C, supporting use in a wide range of industrial and commercial electrical installations.

What is the IP protection rating of this replacement module?

The Finder 7P.20.1.000.0020 has an IP20 protection rating and is intended for installation within a compatible surge protection assembly housed in suitable electrical distribution equipment.

Does this module include a remote signalling contact?

No. The 7P.20.1.000.0020 replacement cartridge does not incorporate a separate remote signalling contact. Any remote monitoring features depend on the configuration of the complete Finder SPD assembly.

Which Finder surge protection devices are compatible with this cartridge?

The module is intended for designated Finder Series 7P surge protection assemblies requiring the 7P.20.1.000.0020 spark gap cartridge. The installed SPD model and manufacturer's compatibility information should always be checked before replacement.

Trusted by Electrical Installation and Industrial Automation Professionals Worldwide

Finder Series 7P surge protection devices provide modular solutions for protecting low-voltage electrical installations against transient overvoltages. Combining established spark gap protection technology with replaceable cartridge construction and practical maintenance features, the Finder 7P.20.1.000.0020 helps electrical contractors, panel builders and industrial maintenance engineers maintain reliable surge protection in compatible electrical distribution systems.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...