Why Choose the Mersen 44020202 K2-2P275 Surge Protection Device?
The Mersen 44020202, also identified as the K2-2P275, is a compact and reliable Type 2 surge protection device (SPD) designed to protect single-phase low-voltage electrical installations against transient overvoltages. As part of the proven Mersen Surge-Trap K2 series, it provides effective line-to-neutral surge protection for TN-S electrical systems, helping safeguard sensitive equipment from lightning-induced surges and switching transients.
The K2-2P275 features a pluggable cartridge design that enables quick inspection and replacement without removing the complete DIN-rail base. Its integrated visual status indicator makes it easy to identify the operating condition, reducing maintenance time while ensuring continuous surge protection for critical electrical installations.
With a 230 V AC nominal operating voltage, a 275 V AC maximum continuous operating voltage, a 20 kA nominal discharge current and a 50 kA maximum discharge current, the Mersen 44020202 delivers dependable protection for commercial, industrial and infrastructure applications. Its compact two-module DIN-rail design allows straightforward installation in distribution boards, switchgear and control panels.
Key Advantages
- Reliable Type 2 surge protection for single-phase TN-S electrical systems.
- Two-pole (2+0) protection for line-to-neutral circuits.
- 50 kA maximum discharge current for effective transient overvoltage protection.
- Pluggable cartridge design simplifies servicing and replacement.
- Compact DIN-rail mounting saves valuable panel space.
- Visual operating status indicator enables quick maintenance checks.
Key Features
- Mersen Surge-Trap K2 series.
- Type 2 / Class II surge protection device.
- 2+0 internal configuration.
- Two-pole design.
- 230 V AC nominal operating voltage.
- 275 V AC maximum continuous operating voltage.
- 20 kA nominal discharge current.
- 50 kA maximum discharge current.
- Voltage protection level of ≤1.5 kV.
- Visual operating status indicator.
- Dynamic thermal disconnection technology.
- Compact pluggable DIN-rail construction.
Reliable Surge Protection for Single-Phase Electrical Systems
Transient overvoltages generated by indirect lightning strikes, switching operations and inductive loads can damage drives, PLCs, power supplies, communication equipment and other sensitive electronics. Installing a dedicated Type 2 surge protection device helps reduce costly equipment failures while improving overall electrical system reliability.
The Mersen Surge-Trap K2 series combines high discharge capability, rapid response and replaceable protection cartridges, making routine maintenance straightforward while providing dependable long-term protection for valuable electrical infrastructure.
Typical Applications
- Single-phase distribution boards.
- Industrial switchgear and control panels.
- Commercial electrical installations.
- Building management systems.
- Automation and PLC control cabinets.
- Protection of drives, power supplies and sensitive electronic equipment.
