Why Choose the Mersen 44120212 K1-2P320 Surge Protection Device?
The Mersen 44120212 K1-2P320 is a high-performance Type 1+2 Surge Protection Device (SPD) designed to protect low-voltage electrical installations from lightning strikes and transient overvoltages. Part of the proven Mersen Surge-Trap® K - K1 Series, this pluggable SPD provides dependable protection for industrial, commercial and infrastructure applications where reliable surge suppression is essential.
Designed for installation within the main distribution board, the K1-2P320 combines excellent surge handling capability with a compact DIN rail mounted design. Its pluggable construction allows rapid replacement during maintenance, helping minimise downtime while maintaining continuous protection for valuable electrical equipment.
With a 320 V AC maximum continuous operating voltage (Uc), 2+0 protection configuration and a 12.5 kA lightning impulse current (Iimp), the K1-2P320 is ideally suited to TNS electrical distribution systems operating at 277 V AC.
Key Advantages
- Reliable Type 1+2 surge protection for low-voltage installations.
- 320 V AC operating voltage suitable for 277 V systems.
- Pluggable cartridge design simplifies servicing and replacement.
- Designed specifically for TNS electrical networks.
- Compact DIN rail mounting saves enclosure space.
- Protects sensitive electrical equipment from lightning and transient surges.
Key Features
- Mersen Surge-Trap® K - K1 Series.
- IEC Class I+II / Type 1+2 surge protection device.
- 320 V AC maximum continuous operating voltage (Uc).
- 12.5 kA lightning impulse current (Iimp).
- 20 kA nominal discharge current (In).
- 50 kA maximum discharge current (Imax).
- 2-pole, 2+0 internal configuration.
- Visual end-of-life status indicator.
- Compact pluggable DIN rail mounted housing.
Reliable Protection Against Electrical Surges
The Mersen K1-2P320 safely diverts high-energy surge currents away from connected electrical equipment before they can cause damage. This helps reduce downtime, improve installation reliability and extend the service life of motors, drives, switchgear and sensitive electronic devices.
Its high surge capacity, compact footprint and pluggable design make it suitable for demanding industrial environments, commercial facilities and infrastructure projects where dependable surge protection is required.
Typical Applications
- Main electrical distribution boards.
- Industrial control panels.
- Commercial buildings.
- Manufacturing facilities.
- Electrical switchboards.
- Infrastructure installations.
- Building services.
- 277 V AC power distribution systems.
