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Mersen Surge Protector Type 2+3 SPD 2 Pole 230/277 Volt 10KA TNS

Mersen Surge Protector Type 2+3 SPD 2 Pole 230/277 Volt 10KA TNS

Mersen 83230116 STPT23-20K320V-2P Type 2+3 pluggable surge protection device with 20 kA maximum discharge current and 320 V AC maximum continuous operating voltage for 230/277 V AC TNS systems.

SKU: 83230116Alt SKU: STPT23-20K320V-2PMPN: 83230116
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List Price £59.34 ex VAT
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Manufacturer Lead Time

£59.34

Why Choose the Mersen 83230116 Surge Protection Device?

The Mersen 83230116 is a compact and reliable Type 2+3 surge protection device (SPD) designed to protect low-voltage electrical installations from transient overvoltages caused by lightning activity and electrical switching events. Part of the Mersen Surge-Trap® Pluggable STPT23 Series, it delivers dependable surge protection for industrial, commercial and OEM electrical systems.

This 2-pole pluggable SPD is designed for 230/277 V AC single-phase TNS systems using a 2+0 configuration. Its modular construction allows rapid cartridge replacement, helping reduce maintenance time while maintaining reliable protection for control panels and electrical distribution equipment.

Featuring a 20 kA maximum discharge current (Imax), 10 kA nominal discharge current (In) and a 320 V AC maximum continuous operating voltage (Uc), the Mersen 83230116 provides effective protection for PLCs, variable speed drives, instrumentation, power supplies and sensitive industrial automation equipment.

Key Advantages

  • Compact Type 2+3 surge protection device for industrial and commercial installations.
  • 20 kA maximum discharge current for dependable transient overvoltage protection.
  • 2+0 TNS configuration for single-phase systems.
  • 320 V AC maximum continuous operating voltage.
  • Pluggable 2-module design simplifies maintenance and replacement.
  • Suitable for protecting automation equipment and electrical distribution systems.

Key Features

  • Mersen Surge-Trap® Pluggable STPT23 Series.
  • Type 2+3 / Class II + III surge protection device.
  • 20 kA maximum discharge current (Imax).
  • 10 kA nominal discharge current (In).
  • 320 V AC maximum continuous operating voltage (Uc).
  • 230/277 V AC nominal operating voltage.
  • 2+0 TNS configuration.
  • DIN rail mounted pluggable construction.

Reliable Protection for Industrial Electrical Systems

Surge protection devices safely divert transient overvoltages away from connected electrical equipment, helping minimise equipment damage, reduce downtime and improve the long-term reliability of industrial power systems.

The Mersen Surge-Trap® STPT23 Series has been developed for installation close to sensitive equipment, providing dependable protection for industrial automation, motor control and commercial electrical distribution systems.

Typical Applications

  • Industrial control panels.
  • Commercial electrical distribution boards.
  • PLC and automation systems.
  • Variable speed drives and motor control centres.
  • Power supplies and instrumentation circuits.
  • OEM machinery and panel building applications.

Technical Specifications

Voltage 277 V
Phase Single Phase
Manufacturer Mersen
Series Surge-Trap® Pluggable STPT23 Series
Model STPT23-20K320V-2P
SKU 83230116
Product type Surge Protection Device
SPD classification Type 2+3 / Class II + III
Nominal operating voltage 230 / 277 V AC
Maximum continuous operating voltage 320 V AC
Configuration TN-S
Number of poles 2 poles
Format Pluggable, 2 modules
Maximum discharge current (Imax) 20 kA (8/20 μs)
Nominal Discharge Current (In) 10 kA (8/20 μs)
Combined voltage pulse (Uoc) 10 kV
Short-circuit withstand (ISCCR) 25 kA
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
Nominal Discharge Current (In) 10 kA
Remote Signal No

Frequently Asked Questions

What is the Mersen 83230116 used for?

The Mersen 83230116 protects low-voltage electrical systems and sensitive equipment from transient overvoltages caused by lightning strikes and electrical switching.

What type of surge protection device is the 83230116?

It is a Type 2+3 / Class II + III surge protection device with a 2+0 TNS configuration.

What electrical system is this SPD designed for?

It is designed for 230/277 V AC single-phase TNS systems with a maximum continuous operating voltage of 320 V AC.

Is the protection module replaceable?

Yes. The pluggable cartridge design allows fast replacement, simplifying maintenance and reducing downtime.

Where is this surge protection device installed?

It is designed for DIN rail installation inside electrical panels, switchboards, control cabinets and OEM machinery.

Trusted by Electrical Professionals Worldwide

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

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