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7P.26.9.420.1020 Finder Surge Protection Device SPDType 2
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.
Why Choose the Finder 7P.26.9.420.1020 Surge Protection Device?
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.
Key Advantages
- Type 2 surge protection device designed for photovoltaic DC systems.
- 420 V DC maximum operating voltage.
- 20 kA nominal discharge current for reliable surge handling.
- Replaceable varistor and spark-gap protection modules.
- Visual status indication and remote signalling contact.
- Compact 35 mm DIN rail mounting for PV distribution boards.
Key Features
- Finder 7P Series surge protection device.
- Type 2 SPD.
- Designed for photovoltaic DC applications.
- 420 V DC maximum operating voltage.
- 20 kA nominal discharge current (In).
- Replaceable protection modules.
- Remote signalling output for monitoring.
- DIN rail mounting to EN 60715.
Reliable Protection for Photovoltaic DC Installations
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.
Typical Applications
- Photovoltaic string combiner boxes.
- Solar inverter protection.
- Commercial solar installations.
- Industrial PV systems.
- DC distribution panels.
- Renewable energy electrical systems.
Technical Specifications
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| Device Type | Surge protection device | |
|---|---|---|
| SPD Type | Type 2 | |
| Nominal Discharge Current (In) | 20 kA | |
| Remote Signal | Yes | |
| 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 |
Frequently Asked Questions
What is the Finder 7P.26.9.420.1020 used for?
It is designed to protect photovoltaic DC electrical systems from transient overvoltages caused by lightning and switching events.
What type of surge protection device is it?
The Finder 7P.26.9.420.1020 is a Type 2 surge protection device intended for DC photovoltaic applications.
What operating voltage does this SPD support?
The device is rated for a maximum operating voltage of 420 V DC.
Can the protection modules be replaced?
Yes. The surge protection modules are replaceable, allowing easier maintenance and reduced downtime.
How is the Finder 7P.26.9.420.1020 installed?
The device is designed for installation on a standard 35 mm DIN rail inside photovoltaic distribution boards and electrical enclosures.
Trusted by Renewable Energy Professionals
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.
