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SP12-50K-N Mersen Type 1+2 1P Neutral Replacement Cartridge
Mersen SP12-50K-N Type 1+2 1 pole neutral replacement cartridge with 25 kA lightning impulse current, 100 kA maximum discharge current and 255 V AC maximum continuous operating voltage.
This product has been discontinued
A direct replacement is available below.
Replacement product
K1-N Mersen Type 1+2 1P Neutral Replacement Cartridge
SKU: 44120000
£83.06 ex VAT
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Why Choose the Mersen SP12-50K-N Type 1+2 Neutral Replacement Cartridge?
The Mersen 83120006, also known as SP12-50K-N, is a high-performance Type 1+2 surge protection replacement cartridge designed for compatible Mersen Surge-Trap surge protection devices. It provides dependable protection against lightning currents and transient overvoltages, helping safeguard electrical installations and sensitive equipment in industrial and commercial environments.
As part of the Mersen Surge-Trap STPT12 25 kA series, this pluggable neutral replacement cartridge enables quick maintenance without replacing the complete surge protection device. Its mechanically coded design helps prevent incorrect cartridge installation while reducing downtime during servicing.
Featuring a 25 kA lightning impulse current rating, 100 kA maximum discharge current and a 255 V AC maximum continuous operating voltage, the SP12-50K-N is suitable for incoming power distribution panels and installations requiring coordinated Type 1+2 surge protection.
Key Advantages
- Type 1+2 / Class I+II surge protection replacement cartridge.
- 25 kA lightning impulse current (Iimp) capability.
- 100 kA maximum discharge current (Imax).
- 255 V AC maximum continuous operating voltage (Uc).
- Neutral replacement cartridge for compatible Mersen Surge-Trap devices.
- Pluggable design enables fast replacement and reduced maintenance time.
Key Features
- Mersen Surge-Trap STPT12 series.
- Type 1+2 / Class I+II SPD.
- Neutral replacement cartridge.
- 1 pole configuration.
- 25 kA Iimp.
- 25 kA nominal discharge current (In).
- 100 kA maximum discharge current (Imax).
- Mechanically coded plug-in cartridge for safe replacement.
Reliable Protection Against Lightning and Transient Surges
Type 1+2 surge protection devices are installed at the origin of electrical installations to safely discharge lightning currents while limiting transient overvoltages that could damage downstream equipment. They are commonly specified for facilities with external lightning protection systems or increased exposure to surge events.
The Mersen 83120006 replacement cartridge restores full protection without replacing the complete SPD assembly, making routine maintenance faster and more economical for electrical contractors, panel builders and maintenance engineers.
Typical Applications
- Main incoming electrical distribution boards.
- Industrial switchboards.
- Commercial electrical installations.
- Buildings with external lightning protection systems.
- Critical infrastructure and utility installations.
- Maintenance replacement for compatible Mersen Surge-Trap devices.
Technical Specifications
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| Impulse Current Iimp (kA) | 25 kA | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | Replacement cartridge | |
| SPD Type | Type 1+2 | |
| Nominal Discharge Current (In) | 25 kA | |
| Manufacturer | Mersen | |
| Series | Surge-Trap STPT12 25 | |
| Model | SP12-50K-N | |
| Manufacturer part number | 83120006 | |
| Product type | Surge protection replacement cartridge | |
| SPD classification | Type 1+2 / Class I+II | |
| Configuration | Neutral cartridge | |
| Number of poles | 1 pole | |
| Maximum continuous operating voltage (Uc) | 255 V AC | |
| Lightning impulse current (Iimp) | 25 kA | |
| Nominal discharge current (In) | 25 kA | |
| Maximum discharge current (Imax) | 100 kA | |
| Protection rating | IP20 | |
| Mounting | Pluggable replacement cartridge |
Frequently Asked Questions
What is the Mersen 83120006 used for?
The Mersen 83120006 is a neutral replacement cartridge for compatible Mersen Type 1+2 Surge-Trap surge protection devices installed in electrical distribution systems.
What is the alternative product code?
The alternative product code is SP12-50K-N.
What surge protection rating does this cartridge provide?
It provides Type 1+2 / Class I+II protection with a 25 kA lightning impulse current and a 100 kA maximum discharge current.
What operating voltage is supported?
The cartridge has a 255 V AC maximum continuous operating voltage (Uc).
Where is this cartridge typically installed?
It is installed in compatible Mersen Surge-Trap pluggable surge protection devices located in incoming power distribution panels and switchboards.
Trusted by Electrical Engineers Worldwide
Mersen Surge-Trap surge protection products are widely specified by electrical engineers, panel builders and contractors for reliable protection of industrial and commercial electrical installations against lightning and transient overvoltages.
