Why Choose the Mersen 44020103 K2-1P275-M Surge Protection Device?
The Mersen 44020103 K2-1P275-M is a high-performance Type 2 Surge Protection Device (SPD) engineered to protect single-phase low-voltage electrical installations from transient overvoltages caused by switching operations and indirect lightning activity. As part of the proven Mersen Surge-Trap® K - K2 Series, this pluggable SPD combines dependable surge protection with an integrated remote signalling contact, making it ideal for industrial, commercial and critical electrical installations.
Designed for installation within distribution boards, the K2-1P275-M features a compact DIN rail mounted housing with replaceable pluggable protection cartridges. Its integrated microswitch enables remote monitoring of the device status, allowing maintenance personnel to receive fault notifications without opening the enclosure, helping to minimise downtime and simplify preventative maintenance.
With a 275 V AC maximum continuous operating voltage (Uc), a 50 kA maximum discharge current (Imax) and a 20 kA nominal discharge current (In), the K2-1P275-M delivers dependable protection for 230 V AC single-phase L-N electrical systems.
Key Advantages
- Reliable Type 2 surge protection for single-phase electrical installations.
- Integrated remote signalling microswitch for continuous status monitoring.
- High 50 kA maximum discharge current (Imax).
- Pluggable cartridge design for fast servicing and replacement.
- Compact DIN rail mounted construction saves valuable panel space.
- Protects sensitive electrical equipment from transient overvoltages and switching surges.
Key Features
- Mersen Surge-Trap® K - K2 Series.
- IEC Class II / Type 2 surge protection device.
- 275 V AC maximum continuous operating voltage (Uc).
- 50 kA maximum discharge current (Imax).
- 20 kA nominal discharge current (In).
- Single-pole (1P) L-N protection.
- Integrated remote indication microswitch.
- Green (OK) / Not Green (Replace) visual status indicator.
- Pluggable modular cartridge.
- DIN rail mounted.
Reliable Protection Against Transient Overvoltages
The Mersen K2-1P275-M safely diverts transient surge currents away from connected electrical equipment before they can damage consumer units, control panels, PLCs, automation systems and other sensitive electronic devices. This helps reduce costly downtime, minimise maintenance requirements and extend the operational life of connected equipment.
Its combination of high discharge capacity, integrated remote monitoring and modular pluggable construction makes it an ideal solution for residential, commercial and industrial installations where reliable secondary surge protection is essential.
Typical Applications
- Single-phase distribution boards.
- Residential consumer units.
- Commercial electrical installations.
- Industrial control panels.
- Building management systems.
- Automation equipment.
- Sensitive electronic equipment.
- 230 V AC L-N power distribution systems.
