Finder 7P.26.9.420.1020 Type 2 surge protection device for photovoltaic DC systems, featuring 420 V DC operating voltage, 20 kA nominal discharge current and DIN rail mounting.
£133.81
The Finder 7P.26.9.420.1020 is a robust Type 2 surge protection device (SPD) specifically designed for 420 V DC photovoltaic (PV) systems. As part of the trusted Finder 7P Series, it protects DC power circuits from transient overvoltages caused by lightning-induced surges and switching events, helping to safeguard solar inverters, combiner boxes and other critical photovoltaic equipment.
The device incorporates a coordinated protection circuit using replaceable varistor modules and an encapsulated spark-gap module, providing dependable overvoltage protection while simplifying maintenance. Its compact DIN rail mounting format allows straightforward installation within PV distribution boards and DC electrical enclosures.
With a 420 V DC maximum operating voltage, 20 kA nominal discharge current and Type 2 classification, the Finder 7P.26.9.420.1020 is ideal for commercial and industrial photovoltaic installations requiring reliable DC surge protection.
Photovoltaic installations are exposed to transient overvoltages generated by lightning activity and switching operations. Installing a dedicated DC surge protection device helps protect solar inverters, monitoring equipment and other sensitive components, reducing the risk of costly failures and downtime.
The Finder 7P.26.9.420.1020 provides dependable Type 2 surge protection for photovoltaic applications while offering simple DIN rail installation and replaceable protection modules for straightforward maintenance.
| Manufacturer | Finder |
|---|---|
| Series | 7P Series |
| Model | 7P.26.9.420.1020 |
| Product type | Type 2 surge protection device |
| Application | Photovoltaic DC systems |
| SPD type | Type 2 |
| Maximum operating voltage (Uc) | 420 V DC |
| Maximum PV operating voltage | 420 V DC |
| Nominal discharge current (In) | 20 kA |
| Protection circuit | Varistor + encapsulated spark-gap |
| Mounting type | 35 mm DIN rail |
| Protection rating | IP20 |
| Operating temperature | -40 °C to +80 °C |
| Remote signalling | Yes |
It is designed to protect photovoltaic DC electrical systems from transient overvoltages caused by lightning and switching events.
The Finder 7P.26.9.420.1020 is a Type 2 surge protection device intended for DC photovoltaic applications.
The device is rated for a maximum operating voltage of 420 V DC.
Yes. The surge protection modules are replaceable, allowing easier maintenance and reduced downtime.
The device is designed for installation on a standard 35 mm DIN rail inside photovoltaic distribution boards and electrical enclosures.
Finder 7P Series surge protection devices are widely used by solar installers, electrical contractors and panel builders to provide dependable protection for photovoltaic systems and sensitive DC electrical equipment.
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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.
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...
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...