SP2-40K-N Mersen Type 2 1P Neutral Replacement Cartridge
Mersen 83020000 SP2-40K-N Type 2 neutral surge protection replacement cartridge with 40 kA discharge rating, 265 V AC maximum continuous operating voltage and N-PE protection mode for compatible Surge-Trap devices.
This product has been discontinuedA direct replacement is available below.
Why Choose the Mersen 83020000 Surge-Trap Type 2 Replacement Cartridge?
The Mersen 83020000, also known as SP2-40K-N, is a dependable Type 2 surge protection replacement cartridge designed for compatible Mersen Surge-Trap pluggable surge protection devices. It is used to help protect electrical installations against transient overvoltages caused by switching operations, network disturbances and indirect lightning effects.
As part of the Mersen Surge-Trap STP T2 40 series, this neutral replacement cartridge is suitable for coordinated surge protection systems in commercial, industrial and building services applications. Its pluggable cartridge format allows quick replacement during maintenance, helping restore protection without replacing the full surge protection assembly.
With a 40 kA discharge rating, 265 V AC maximum continuous operating voltage and N-PE protection configuration, the Mersen 83020000 is a practical choice for maintaining Type 2 surge protection in electrical distribution panels and switchboards.
Key Advantages
Type 2 / Class II surge protection replacement cartridge for compatible Mersen Surge-Trap devices.
40 kA surge discharge capability for robust transient overvoltage protection.
265 V AC maximum continuous operating voltage for suitable low-voltage systems.
N-PE neutral protection configuration for coordinated SPD assemblies.
Plug-in cartridge format supports fast replacement and reduced maintenance time.
Designed for distribution panels, switchboards and building electrical systems.
Key Features
Mersen Surge-Trap STP T2 40 series.
Type 2 / Class II surge protection.
Replacement cartridge format.
Neutral N-PE protection mode.
40 kA discharge rating.
265 V AC maximum continuous operating voltage.
Pluggable design for compatible SPD bases.
Suitable for DIN rail surge protection assemblies.
Reliable Type 2 Surge Protection for Distribution Systems
Type 2 surge protection devices are commonly installed in distribution boards and sub-distribution panels to limit transient overvoltages before they reach sensitive downstream equipment. They are typically used as the second stage of protection where Type 1 devices are installed upstream, or as the first stage in installations without direct lightning exposure.
The Mersen 83020000 replacement cartridge helps maintenance teams restore surge protection quickly and efficiently. Its plug-in design makes it suitable for panel builders, electrical contractors and facilities engineers maintaining power distribution systems in commercial and industrial environments.
Typical Applications
Electrical distribution boards.
Commercial building services panels.
Industrial switchboards and control panels.
Sub-distribution surge protection systems.
Neutral-to-earth protection applications.
Maintenance replacement for compatible Mersen Surge-Trap devices.
Technical Specifications
Phase
Single Phase
Manufacturer
Mersen
Series
Surge-Trap STP T2 40
Model
SP2-40K-N
Manufacturer part number
83020000
Product type
Surge protection replacement cartridge
SPD classification
Type 2 / Class II
Configuration
Neutral cartridge
Protection mode
N-PE
Maximum continuous operating voltage (Uc)
265 V AC
Discharge rating
40 kA
Protection rating
IP20
Mounting
Pluggable replacement cartridge
Compatible installation
DIN rail SPD assembly
UPC
8435297850366
Frequently Asked Questions
What is the Mersen 83020000 used for?
The Mersen 83020000 is a Type 2 neutral replacement cartridge for compatible Mersen Surge-Trap surge protection devices used in electrical distribution systems.
What is the alternative product code?
The alternative product code for Mersen 83020000 is SP2-40K-N.
What voltage is this cartridge rated for?
This replacement cartridge has a 265 V AC maximum continuous operating voltage.
What surge protection type does this cartridge provide?
The Mersen 83020000 is designed for Type 2 / Class II surge protection assemblies.
Where is this replacement cartridge typically installed?
It is typically installed in compatible Mersen Surge-Trap pluggable surge protection assemblies within distribution boards, switchboards and electrical control panels.
Trusted by Electrical Engineers Worldwide
Mersen Surge-Trap surge protection products are widely used by electrical engineers, panel builders and contractors to protect commercial and industrial electrical installations from damaging transient overvoltages.
Phase
Single Phase
Manufacturer
Mersen
Series
Surge-Trap STP T2 40
Model
SP2-40K-N
Manufacturer part number
83020000
Product type
Surge protection replacement cartridge
SPD classification
Type 2 / Class II
Configuration
Neutral cartridge
Protection mode
N-PE
Maximum continuous operating voltage (Uc)
265 V AC
Discharge rating
40 kA
Protection rating
IP20
Mounting
Pluggable replacement cartridge
Compatible installation
DIN rail SPD assembly
UPC
8435297850366
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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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...