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Mersen Surge Protector Type 2+3 SPD 1 Pole 230/277 Volt 10KA L-N

Mersen Surge Protector Type 2+3 SPD 1 Pole 230/277 Volt 10KA L-N

Mersen 83230102 STPT23-20K320V-1P Type 2+3 pluggable surge protection device with 20 kA Imax for 230/277 V AC single-phase electrical systems.

SKU: 83230102Alt SKU: STPT23-20K320V-1PMPN: 83230102
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Why Choose the Mersen 83230102 Surge Protection Device?

The Mersen 83230102 is a high-performance Type 2+3 Surge Protection Device (SPD) designed to protect sensitive electrical and electronic equipment from transient overvoltages caused by lightning strikes and switching events. Part of the trusted Mersen Surge-Trap® STPT23 Series, it provides dependable surge protection for industrial, commercial and OEM electrical installations.

Featuring a compact pluggable modular design, this surge protection device simplifies installation and maintenance while ensuring reliable protection of control panels, automation systems and low-voltage distribution equipment. Its visual status indication enables quick inspection, helping minimise downtime and maintenance costs.

Designed for 230/277 V AC single-phase systems, the 83230102 provides an Imax surge discharge capacity of 20 kA (8/20 μs). It is ideal for protecting PLCs, drives, control systems, instrumentation and other critical electrical equipment installed within industrial environments.

Key Advantages

  • High-performance Type 2+3 surge protection device.
  • 20 kA maximum discharge current (Imax) for reliable transient protection.
  • Compact 1-pole pluggable module for easy replacement.
  • Designed for 230/277 V AC single-phase installations.
  • Protects sensitive automation and electrical equipment from surge damage.
  • Suitable for industrial control panels, OEM machinery and commercial electrical systems.

Key Features

  • Mersen Surge-Trap® STPT23 Series.
  • Type 2+3 surge protection device (SPD).
  • 20 kA Imax (8/20 μs).
  • 320 V UC maximum continuous operating voltage.
  • 230/277 V AC nominal operating voltage.
  • 1-pole pluggable module.
  • DIN rail installation.
  • Visual end-of-life indication for simple maintenance.

Reliable Protection Against Transient Overvoltages

Surge protection devices divert damaging transient voltages safely to earth before they can reach sensitive electrical equipment. Installing a quality SPD helps reduce costly equipment failures, improves system reliability and extends the service life of connected devices.

The Mersen Surge-Trap® STPT23 range has been developed for demanding industrial and commercial applications where reliable protection of drives, PLCs, power supplies, instrumentation and automation equipment is essential.

Typical Applications

  • Industrial control panels.
  • Machine building and OEM equipment.
  • Automation and PLC systems.
  • Variable speed drives and motor control centres.
  • Commercial electrical distribution boards.
  • Critical process and instrumentation systems.

Technical Specifications

Voltage 277 V
Phase Single Phase
Manufacturer Mersen
Series Surge-Trap® STPT23
Model STPT23-20K320V-1P
SKU 83230102
Product type Type 2+3 Surge Protection Device
Maximum discharge current (Imax) 20 kA (8/20 μs)
Nominal operating voltage (Un) 230 / 277 V AC
Maximum continuous operating voltage (Uc) 320 V AC
Number of poles 1
Format Pluggable
Mounting type DIN rail
SPD Classification IEC Type 2+3 (Class II + III)
RoHS compliant Yes
HS Code 85363090
Country of Manufacture Spain
Poles 1-pole
Device Type Surge protection device
SPD Type Type 2+3
Earthing System TN-C, TN-S, TT
Nominal Discharge Current (In) 10 kA
Remote Signal No

Frequently Asked Questions

What is the Mersen 83230102 used for?

It protects electrical installations and sensitive electronic equipment against transient overvoltages caused by lightning activity and electrical switching.

What type of surge protection device is this?

The 83230102 is a Type 2+3 surge protection device suitable for low-voltage AC electrical systems.

What electrical systems is it designed for?

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

Is the module replaceable?

Yes. The pluggable design allows the protection module to be replaced quickly, simplifying maintenance and reducing downtime.

Where is this SPD typically installed?

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

Trusted by Electrical Professionals Worldwide

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

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