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.
