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Mersen Surge Protector Type 2 SPD 1 Pole 230 Volt 20KA L-N

Mersen Surge Protector Type 2 SPD 1 Pole 230 Volt 20KA L-N

Mersen STPT2-40K275V-1P Type 2 surge protection device featuring 40 kA maximum discharge current, 275 V AC Uc, pluggable DIN rail design and reliable protection for low voltage electrical systems.

SKU: 83020106Alt SKU: STPT2-40K275V-1PMPN: 83020106
This product has been discontinued A direct replacement is available below.
K2-1P275 Mersen Surge Protector Type 2 SPD 1 Pole 230 Volt 20KA L-N Replacement product K2-1P275 Mersen Surge Protector Type 2 SPD 1 Pole 230 Volt 20KA L-N SKU: 44020102 £26.77 ex VAT View

Why Choose the Mersen 83020106 Surge Protection Device?

The Mersen 83020106 is a high performance Type 2 surge protection device (SPD) designed to protect low voltage electrical installations from transient overvoltages caused by switching operations and indirect lightning strikes. As part of the proven Mersen Surge-Trap® Pluggable STPT2 Series, it provides dependable protection for commercial, industrial and automation applications.

Designed for 230 V AC single phase L-N systems, the STPT2-40K275V-1P delivers a 40 kA maximum discharge current (Imax) and 20 kA nominal discharge current (In), helping safeguard sensitive equipment from damaging voltage surges. Its compact pluggable design enables straightforward installation and simple maintenance when replacement is required.

With a 275 V AC maximum continuous operating voltage (Uc), DIN rail mounting and compliance with EN/IEC 61643-11 and UL 1449, the Mersen 83020106 is an ideal solution for protecting electrical distribution systems, control panels and industrial automation equipment.

Key Advantages

  • Compact Type 2 surge protection device for low voltage installations.
  • 40 kA maximum discharge current (Imax).
  • 20 kA nominal discharge current (In).
  • 275 V AC maximum continuous operating voltage (Uc).
  • Pluggable cartridge for straightforward maintenance.
  • DIN rail mounting for quick installation.

Key Features

  • Mersen Surge-Trap® Pluggable STPT2 Series.
  • Type 2 / Class II surge protection.
  • 40 kA Imax (8/20 μs).
  • 20 kA In (8/20 μs).
  • 230 V AC nominal operating voltage.
  • 275 V AC Uc.
  • Single pole pluggable module.
  • Compact DIN rail mounted design.

Reliable Protection Against Electrical Surges

Type 2 surge protection devices help divert damaging transient overvoltages away from connected equipment, reducing the likelihood of equipment failure, production downtime and costly repairs. They form an essential part of modern electrical distribution systems.

The Mersen STPT2 Series combines high surge capacity with a replaceable cartridge design, providing dependable protection and simplified maintenance for industrial and commercial electrical installations.

Typical Applications

  • Industrial control panels.
  • Commercial electrical distribution boards.
  • PLC and automation systems.
  • OEM machinery.
  • Building electrical services.
  • Power distribution equipment.

Technical Specifications

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Voltage 230 V
Phase Single Phase
Poles 1-pole
Device Type Surge protection device
SPD Type Type 2
Earthing System TN-C, TN-S, TT
Nominal Discharge Current (In) 20 kA
Remote Signal No
Manufacturer Mersen
Series Surge-Trap® Pluggable STPT2 Series - 40 kA
Model STPT2-40K275V-1P
SKU 83020106
Product type Type 2 Surge Protection Device
SPD class Type 2 / Class II
Nominal operating voltage 230 V AC
Maximum continuous operating voltage (Uc) 275 V AC
Maximum discharge current (Imax) 40 kA
Nominal Discharge Current (In) 20 kA
Configuration TN-S, TN-C, TT
Number of poles 1 Pole
Mounting type DIN rail
Assembly format Pluggable
Protection rating IP20
Voltage protection level (Up) ≤ 1.3 kV
Standards EN/IEC 61643-11, UL 1449
Replacement cartridge SP2-40K275V
HS Code 85363090
Country of Manufacture Spain

Frequently Asked Questions

What is the Mersen 83020106 used for?

It protects low voltage electrical systems against transient overvoltages caused by switching operations and indirect lightning strikes.

What type of surge protection device is it?

The Mersen 83020106 is a Type 2 / Class II surge protection device.

What voltage is this SPD designed for?

It is designed for 230 V AC single phase systems with a maximum continuous operating voltage of 275 V AC.

What is the maximum surge current rating?

The device provides a 40 kA maximum discharge current (Imax) and a 20 kA nominal discharge current (In).

Can the protection module be replaced?

Yes. The pluggable cartridge design allows quick replacement when required, reducing maintenance time.

Trusted by Electrical Professionals Worldwide

Mersen Surge-Trap® surge protection devices are trusted by electrical engineers, panel builders and maintenance professionals to protect critical electrical infrastructure against damaging transient overvoltages.