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Mersen Surge Protector Type 2+3 SPD 4 Pole 230/400:277/480 Volt 10KA TNS

Mersen Surge Protector Type 2+3 SPD 4 Pole 230/400:277/480 Volt 10KA TNS

Mersen 83230132 STPT23-20K320V-4P Type 2+3 surge protection device with 20 kA discharge capacity, 320 V AC continuous operating voltage and 4+0 TNS four-pole configuration.

SKU: 83230132Alt SKU: STPT23-20K320V-4PMPN: 83230132
Price
List Price £116.25 ex VAT
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£116.25
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Manufacturer Lead Time

£116.25

Why Choose the Mersen 83230132 Surge Protection Device?

The Mersen 83230132 is a high performance Type 2+3 Surge Protection Device (SPD) designed to protect low voltage electrical installations against transient overvoltages. Part of the Mersen Surge-Trap® Pluggable STPT23 Series, this device provides dependable surge protection for three-phase plus neutral electrical systems in commercial, industrial and automation environments.

Engineered for DIN rail installation, this pluggable SPD helps protect sensitive electrical equipment from voltage spikes caused by lightning activity, switching operations and network disturbances. Its compact modular format allows quick replacement, making it suitable for distribution boards, switchboards and industrial control panels.

With a maximum discharge current of 20 kA (8/20 μs), a 320 V AC continuous operating voltage (Uc) and a 4+0 TNS configuration, the Mersen 83230132 is ideal for protecting PLCs, drives, instrumentation, machinery controls and electrical infrastructure operating on 230/400 V AC or 277/480 V AC systems.

Key Advantages

  • High performance Type 2+3 surge protection device.
  • 20 kA maximum discharge current for reliable transient overvoltage protection.
  • 320 V AC continuous operating voltage for higher voltage low voltage systems.
  • 4+0 TNS four-pole configuration for three-phase plus neutral installations.
  • Pluggable modular design for fast maintenance and cartridge replacement.
  • Helps protect sensitive automation, control and electrical distribution equipment.

Key Features

  • Mersen Surge-Trap® Pluggable STPT23 Series.
  • Model: STPT23-20K320V-4P.
  • Type 2+3 / Class II+III surge protection device.
  • 20 kA Imax (8/20 μs).
  • 10 kA nominal discharge current (In).
  • 320 V AC continuous operating voltage (Uc).
  • Four-pole, 4+0 TNS configuration.
  • Pluggable four-module DIN rail format.

Reliable Protection Against Electrical Surges

Surge protection devices safely divert transient overvoltages away from connected electrical equipment before they can cause insulation failure, electronic damage or costly downtime. Installing an SPD helps improve system reliability while extending the operational life of sensitive industrial electronics.

The Mersen Surge-Trap® STPT23 Series is designed as a compact final stage of surge protection within low voltage installations, making it suitable for use close to protected equipment in switchboards, distribution boards, control panels and machinery systems.

Typical Applications

  • Industrial control panels.
  • Electrical distribution boards.
  • Motor control centres.
  • Automation and machinery systems.
  • PLC, drive and instrumentation protection.
  • Three-phase plus neutral TNS electrical installations.

Technical Specifications

Voltage 480 V
Phase Three Phase
Manufacturer Mersen
Series Surge-Trap® Pluggable STPT23 Series
Model STPT23-20K320V-4P
SKU 83230132
Product type Surge Protection Device (SPD)
SPD classification Type 2+3 / Class II+III
Maximum discharge current (Imax) 20 kA (8/20 μs)
Nominal Discharge Current (In) 10 kA
Combined voltage pulse (Uoc) 10 kV
Continuous operating voltage (Uc) 320 V AC
Nominal operating voltage (Un) 230/400 V AC, 277/480 V AC
System configuration TN-S
Protection modes L-PE / N-PE
Number of poles 4
Number of modules 4
Mounting type DIN rail
Format Pluggable modular device
Protection rating IP20
Short circuit withstand (ISCCR) 25 kA
Response time 25 ns
RoHS compliant Yes
EAN/UPC 8435297851141
HS Code 85363090
Country of Manufacture Spain
Poles 4-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 83230132 used for?

It is used to protect low voltage electrical installations and connected equipment from transient overvoltages caused by lightning activity, switching events and electrical disturbances.

What type of surge protection device is the Mersen 83230132?

The Mersen 83230132 is a Type 2+3 / Class II+III surge protection device.

What electrical system is this SPD designed for?

It is designed for 230/400 V AC and 277/480 V AC three-phase plus neutral TNS systems using a 4+0 configuration.

What is the maximum discharge current?

The device provides a maximum discharge current of 20 kA (8/20 μs) with a nominal discharge current of 10 kA.

Is the Mersen 83230132 pluggable?

Yes. It features a pluggable modular design, allowing fast replacement of the surge protection cartridge during maintenance.

Trusted by Electrical Professionals Worldwide

Mersen Surge-Trap® surge protection devices are trusted by electrical engineers, panel builders and industrial maintenance teams to safeguard critical electrical infrastructure from damaging transient overvoltages.

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