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Mersen Surge Protector Type 2+3 SPD 2 Pole 230 Volt 10KA TT

Mersen Surge Protector Type 2+3 SPD 2 Pole 230 Volt 10KA TT

Mersen 83230110 STPT23-20K275V-2PG-LF Type 2+3 leakage current free surge protection device with 20 kA maximum discharge current for 230 V AC TT electrical systems.

SKU: 83230110Alt SKU: STPT23-20K275V-2PG-LFMPN: 83230110
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List Price £68.82 ex VAT
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Why Choose the Mersen 83230110 Surge Protection Device?

The Mersen 83230110 is a high-performance Type 2+3 surge protection device (SPD) developed to protect low-voltage electrical installations from transient overvoltages caused by lightning strikes and switching events. As part of the Mersen Surge-Trap® Pluggable STPT23 LF Series, it provides dependable protection for industrial, commercial and OEM electrical systems while remaining Power Line Communication (PLC) friendly.

This compact 2-pole pluggable SPD is designed for 230 V AC TT (1Ph+N) systems using a 1+1 configuration, providing coordinated protection between line-to-neutral (L-N) and neutral-to-earth (N-PE). Its leakage current free design makes it particularly suitable for installations using power line communication technologies.

With a 20 kA maximum discharge current (Imax), 10 kA nominal discharge current (In) and a 275 V AC maximum continuous operating voltage (Uc), the Mersen 83230110 provides reliable protection for control panels, PLCs, power supplies, instrumentation and sensitive industrial automation equipment.

Key Advantages

  • High-performance Type 2+3 surge protection device.
  • Leakage current free (LF) design compatible with PLC communication networks.
  • 20 kA maximum discharge current for dependable transient protection.
  • Combined L-N and N-PE protection in a compact 2-pole assembly.
  • Pluggable cartridge design simplifies servicing and maintenance.
  • Designed for 230 V AC TT (1Ph+N) electrical installations.

Key Features

  • Mersen Surge-Trap® Pluggable STPT23 LF Series.
  • Type 2+3 / Class II + III surge protection device.
  • 20 kA maximum discharge current (Imax).
  • 10 kA nominal discharge current (In).
  • 275 V AC maximum continuous operating voltage (Uc).
  • 230 V AC nominal operating voltage.
  • Leakage current free (LF) technology.
  • DIN rail mounted pluggable construction.

Reliable Surge Protection for Modern Electrical Installations

Surge protection devices safely divert transient overvoltages away from connected equipment, helping to reduce downtime, improve system reliability and extend the service life of sensitive electrical devices.

The Mersen Surge-Trap® STPT23 LF Series is engineered for applications requiring dependable surge protection while maintaining compatibility with power line communication systems. Its compact pluggable construction simplifies maintenance and replacement within electrical distribution panels.

Typical Applications

  • Industrial control panels.
  • Commercial electrical distribution boards.
  • PLC and automation systems.
  • Power line communication (PLC) installations.
  • Power supplies and instrumentation circuits.
  • OEM machinery and panel building applications.

Technical Specifications

Voltage 230 V
Phase Single Phase
Manufacturer Mersen
Series Surge-Trap® Pluggable STPT23 LF Series
Model STPT23-20K275V-2PG-LF
SKU 83230110
Product type Type 2+3 Surge Protection Device
SPD classification IEC Type 2+3 / Class II + III
Nominal operating voltage (Un) 230 V AC
Maximum continuous operating voltage (Uc) 275 V AC
Configuration TN-S, TT
Number of poles 2
Maximum discharge current (Imax) 20 kA (8/20 μs)
Nominal Discharge Current (In) 10 kA (8/20 μs)
Combined discharge voltage (Uoc) 10 kV
Leakage current free Yes
Mounting type DIN rail
Protection rating IP20
HS Code 85363090
Country of Manufacture Spain
Poles 2-pole
Device Type Surge protection device
SPD Type Type 2+3
Earthing System TN-S, TT
Nominal Discharge Current (In) 10 kA
Remote Signal No

Frequently Asked Questions

What is the Mersen 83230110 used for?

It protects 230 V AC electrical systems against transient overvoltages caused by lightning strikes and switching events.

What type of surge protection device is this?

The 83230110 is a Type 2+3 / Class II + III surge protection device with a 2-pole TT configuration.

What does the LF designation mean?

LF stands for Leakage Current Free, making the device suitable for installations using power line communication technologies.

What electrical system is it designed for?

It is designed for 230 V AC TT (1Ph+N) systems with a maximum continuous operating voltage of 275 V AC.

Where is this SPD typically installed?

It is installed on DIN rails inside industrial control panels, switchboards and commercial electrical distribution equipment.

Trusted by Electrical Professionals Worldwide

Mersen Surge-Trap® surge protection devices are trusted by electrical engineers, panel builders and maintenance professionals to provide dependable protection for critical industrial and commercial electrical systems.

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