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K2-2P275 Mersen Surge Protector Type 2 SPD 2 Pole 230 Volt 20KA TNS
Mersen 44020202 K2-2P275 Type 2 surge protection device with 2+0 configuration, 275 V AC maximum continuous operating voltage, 20 kA nominal discharge current and 50 kA maximum discharge current.
£51.93
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.
Technical Specifications
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| Voltage | 230 V | |
|---|---|---|
| Poles | 2-pole | |
| Device Type | Surge protection device | |
| SPD Type | Type 2 | |
| Earthing System | TN-S | |
| Nominal Discharge Current (In) | 20 kA | |
| Remote Signal | No | |
| Manufacturer | Mersen | |
| Series | Surge-Trap K2 | |
| Model | K2-2P275 | |
| SKU / Part number | 44020202 | |
| Product type | Surge protection device | |
| IEC SPD classification | Type 2 / Class II | |
| UL SPD classification | Type 1 Component Assembly | |
| Internal configuration | 2+0 | |
| Number of poles | 2 | |
| System compatibility | TN-S | |
| Protection mode | L-N | |
| Nominal operating voltage | 230 V AC | |
| Maximum continuous operating voltage | 275 V AC | |
| Nominal discharge current | 20 kA | |
| Maximum discharge current | 50 kA | |
| Voltage protection level | ≤1.5 kV | |
| Maximum back-up fuse | 315 A gG | |
| Short-circuit withstand rating | 25 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| DIN rail modules | 2 | |
| Dimensions (H × W × D) | approx. 90 × 36 × 68.2 mm | |
| Weight | approx. 0.232 kg | |
| EAN | 8435297889779 | |
| HS Code | 85363090 | |
| Country of Manufacture | Spain |
Frequently Asked Questions
What is the Mersen 44020202 used for?
The Mersen 44020202 protects single-phase TN-S electrical installations against transient overvoltages caused by lightning activity and electrical switching events.
What type of surge protection device is the K2-2P275?
It is a Type 2 / Class II surge protection device designed for secondary surge protection in TN-S low-voltage electrical systems.
What discharge current can the device handle?
The K2-2P275 is rated for a 20 kA nominal discharge current and a 50 kA maximum discharge current using the standard 8/20 µs surge waveform.
Can the protection cartridges be replaced?
Yes. The pluggable cartridge design allows the protection modules to be replaced without removing the complete DIN-rail base.
Where is the device typically installed?
The device is typically installed in distribution boards, switchgear assemblies and industrial control panels to provide secondary surge protection for sensitive electrical equipment.
Trusted Surge Protection from Mersen
Mersen Surge-Trap K2 surge protection devices are trusted by electrical engineers, panel builders and maintenance professionals to protect critical electrical systems against damaging transient overvoltages.
