SKU: 44020420Alt SKU: K2-4P440MPN: 44020420
K2-4P440 Mersen Surge Protector Type 2 SPD 4 Pole 230/400 Volt 20KA IT

K2-4P440 Mersen Surge Protector Type 2 SPD 4 Pole 230/400 Volt 20KA IT

Mersen 44020420 Type 2 surge protection device from the Surge-Trap K2 Series designed to protect low-voltage electrical installations against transient overvoltages.

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Why Choose the Mersen 44020420 Surge Protection Device?

The Mersen 44020420 is a Type 2 surge protection device (SPD) from the Mersen Surge-Trap® K2 Series, engineered to protect low-voltage electrical installations against transient overvoltages caused by indirect lightning strikes and electrical switching events. Designed for dependable performance, it helps safeguard sensitive electrical and electronic equipment in commercial and industrial environments.

Its compact DIN rail construction allows straightforward installation inside electrical distribution boards and control panels, while its pluggable protection module simplifies maintenance by allowing replacement without removing the complete base assembly.

The Mersen K2 Series combines high surge current capability, visual status indication and robust construction to provide reliable long-term protection for power distribution systems, helping reduce equipment downtime and maintenance costs.

Key Advantages

  • Reliable Type 2 surge protection for low-voltage installations.
  • Protects equipment against lightning-induced and switching overvoltages.
  • Compact DIN rail design for easy installation.
  • Pluggable protection module simplifies maintenance.
  • Visual status indication for quick inspection.
  • Suitable for commercial and industrial electrical systems.
  • Designed for long service life and dependable operation.

Key Features

  • Mersen Surge-Trap® K2 Series.
  • Type 2 / IEC Class II surge protection device.
  • Compact modular construction.
  • DIN rail mounting.
  • Visual operational status indicator.
  • Pluggable surge protection cartridge.
  • High surge current capability.
  • Designed for industrial and commercial applications.

Reliable Protection for Electrical Systems

Electrical systems can be exposed to damaging transient overvoltages generated by lightning activity, utility switching and inductive loads. A Type 2 surge protection device helps divert these surges safely to earth, reducing the risk of damage to electrical equipment and improving system reliability.

The Mersen Surge-Trap® K2 Series is designed for modern electrical installations where dependable surge protection is essential for maintaining equipment uptime and protecting valuable electrical assets.

Typical Applications

  • Industrial electrical distribution boards.
  • Commercial switchboards.
  • Building services installations.
  • Automation and control panels.
  • Motor control centres.
  • Manufacturing facilities.
  • Electrical infrastructure projects.

Technical Specifications

Voltage 400 V
Phase Three Phase
Manufacturer Mersen
Series Surge-Trap® K2 Series
Manufacturer part number 44020420
Product type Type 2 surge protection device
IEC classification Class II
Mounting type DIN rail
Protection rating IP20
Visual status indication Yes
Pluggable module Yes
RoHS compliant Yes
HS Code 85363090
Country of Manufacture Spain

Frequently Asked Questions

What is the Mersen 44020420 used for?

The Mersen 44020420 is a Type 2 surge protection device designed to protect electrical installations and connected equipment against transient overvoltages.

Where is this surge protection device installed?

It is typically installed on a DIN rail inside electrical distribution boards, switchboards and industrial control panels.

Can the protection module be replaced?

Yes. The pluggable module design allows replacement without removing the complete base assembly.

What types of applications is it suitable for?

The device is suitable for commercial buildings, industrial facilities, automation systems and other low-voltage electrical installations.

Why should a Type 2 SPD be installed?

A Type 2 surge protection device helps reduce the risk of equipment damage caused by transient overvoltages resulting from lightning activity and electrical switching events.

Trusted Surge Protection from Mersen

Mersen Surge-Trap® surge protection devices are trusted worldwide to help improve electrical system reliability and protect valuable equipment from damaging transient overvoltages.

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