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Mersen Surge Protector Type 2 SPD 1 Pole 690 Volt 15KA

Mersen Surge Protector Type 2 SPD 1 Pole 690 Volt 15KA

Mersen STPT2-30K750V-1P Type 2 surge protection device with 30 kA maximum discharge current rating and 750 V UC for 690 V AC single-phase L-N electrical systems.

SKU: 83020100Alt SKU: STPT2-30K750V-1PMPN: 83020100
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List Price £46.92 ex VAT
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Manufacturer Lead Time

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Why Choose the Mersen 83020100 STPT2-30K750V-1P Surge Protection Device?

The Mersen 83020100 STPT2-30K750V-1P is a reliable Type 2 Surge Protection Device (SPD) designed to protect low-voltage electrical installations against transient overvoltages. Built for industrial, commercial and infrastructure applications, it helps safeguard electrical distribution systems, control panels and sensitive connected equipment from damaging surge events.

Part of the trusted Mersen Surge-Trap® Pluggable STPT2 Series - 40kA, this DIN rail mounted surge protection device provides dependable secondary surge protection in a compact pluggable format. Its single-pole design makes it suitable for higher voltage single-phase applications where line-to-neutral surge protection is required.

Designed for 690 V AC single-phase L-N electrical systems, the STPT2-30K750V-1P features a 750 V UC maximum continuous operating voltage and a 30 kA Imax (8/20 μs) maximum discharge current rating. Its pluggable 1-module construction supports straightforward installation and simple maintenance in electrical distribution panels.

Key Advantages

  • Type 2 surge protection for transient overvoltage protection.
  • 30 kA Imax (8/20 μs) maximum discharge current capability.
  • Designed for 690 V AC single-phase L-N systems.
  • 750 V UC maximum continuous operating voltage.
  • 1-pole, 1-module pluggable design for straightforward maintenance.
  • DIN rail mounting for quick installation in electrical distribution panels.
  • Suitable for secondary protection where Type 1 surge protection is installed upstream.

Key Features

  • Mersen Surge-Trap® Pluggable STPT2 Series - 40kA.
  • Type 2 / Class II surge protection device.
  • 30 kA Imax (8/20 μs) maximum discharge current.
  • 690 V AC nominal operating voltage.
  • 750 V UC maximum continuous operating voltage.
  • Designed for single-phase L-N protection.
  • 1-pole, 1-module pluggable format.
  • Visual indication system for replacement status.

Reliable Protection Against Transient Overvoltages

Type 2 surge protection devices help reduce the risk of equipment damage caused by switching operations, induced surges and transient overvoltage events. Installed within distribution panels, they provide an important layer of protection for downstream electrical equipment and control systems.

The Mersen STPT2 Series is designed for demanding electrical environments, offering dependable surge protection for switchboards, automation systems, commercial buildings, industrial machinery and infrastructure installations where operational continuity is essential.

Typical Applications

  • Electrical distribution boards.
  • Higher voltage single-phase installations.
  • Industrial control panels.
  • Commercial building electrical systems.
  • Automation and machinery control systems.
  • Telecom, IT and data centre power systems.
  • Infrastructure and utility installations.

Technical Specifications

Voltage 690 V
Phase Single Phase
Manufacturer Mersen
Series Surge-Trap® Pluggable STPT2 Series - 40kA
Model STPT2-30K750V-1P
Part number 83020100
EAN/UPC 8435297850625
Product type Type 2 Surge Protection Device
IEC classification Class II
UL SPD type Type 2 Component Assembly
Nominal operating voltage (Un) 690 V AC
Maximum continuous operating voltage (Uc) 750 V AC
System configuration TN-S, TN-C, TT
Protection mode L-N
Maximum discharge current (Imax) 30 kA (8/20 μs)
Short circuit withstand (ISCCR) 25 kA
Number of poles 1
Number of modules 1
Mounting type DIN rail
Format Pluggable
Indication Visual status indicator
Replacement plug 83020007
Protection rating IP20
Standards EN IEC 61643-11 / UL 1449
RoHS compliant Yes
HS Code 85363090
Country of Manufacture Spain
Poles 1-pole
Device Type Surge protection device
SPD Type Type 2
Earthing System TN-C, TN-S, TT
Nominal Discharge Current (In) 15 kA
Remote Signal No

Frequently Asked Questions

What is the Mersen 83020100 used for?

It is used to protect low-voltage electrical installations against transient overvoltages and surge events.

What type of surge protection device is this?

The 83020100 is a Type 2 / Class II surge protection device designed for transient overvoltage protection.

What electrical system is this device designed for?

It is designed for 690 V AC single-phase L-N electrical systems.

What is the maximum discharge current rating?

The device provides a 30 kA Imax (8/20 μs) maximum discharge current rating.

How is this SPD installed?

It is designed for DIN rail mounting within electrical distribution panels and uses a compact pluggable 1-module format.

Trusted for Industrial Electrical Protection

Mersen Surge-Trap® surge protection devices are trusted by electrical engineers, panel builders and industrial facilities worldwide to provide dependable protection against switching surges, transient overvoltages and electrical disturbance.

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