Mersen Surge Protector Type 1 SPD 1 Pole 120 Volt 50KA L-N

Mersen Surge Protector Type 1 SPD 1 Pole 120 Volt 50KA L-N

Mersen 83010103 Surge-Trap Monobloc STMT1 Type 1 surge protection device, catalogue number STMT1-50K150V-1P, rated at 50 kA Iimp with 150 V maximum continuous operating voltage and 1-pole L-N configuration.

SKU: 83010103Alt SKU: STMT1-50K150V-1PMPN: 83010103
Price
List Price £219.25 ex VAT
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£219.25
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Manufacturer Lead Time

£219.25

Why Choose the Mersen 83010103 Surge Protection Device?

The Mersen 83010103 is a high-performance Type 1 surge protection device designed to protect low-voltage electrical installations against high-energy transient overvoltages caused by lightning activity and switching events. Part of the Mersen Surge-Trap Monobloc STMT1 series, it provides robust first-stage protection for incoming power supplies in industrial and commercial electrical systems.

This surge protection device is built in a monobloc DIN rail mounted format, making it suitable for installation within distribution boards, control panels and switchgear assemblies. Its 1-pole L-N configuration is designed for single-phase applications where dependable surge protection is required at the supply entry point.

With a 50 kA impulse current rating, 150 V maximum continuous operating voltage and 120 V nominal operating voltage, the Mersen 83010103 provides strong protection for sensitive electrical and electronic equipment in installations exposed to lightning and transient surge risks.

Key Advantages

  • High-performance Type 1 surge protection device.
  • 50 kA impulse current rating for high-energy surge events.
  • 150 V maximum continuous operating voltage.
  • 1-pole L-N configuration for single-phase protection.
  • Compact monobloc DIN rail mounted design.
  • Ideal for incoming power supply protection in exposed installations.

Key Features

  • Mersen Surge-Trap Monobloc STMT1 series.
  • Type 1 / Class I surge protection device.
  • 50 kA Iimp impulse discharge capacity.
  • 120 V nominal operating voltage.
  • 150 V maximum continuous operating voltage.
  • 1-pole L-N protection.
  • Compact 2-module DIN rail format.
  • Suitable for low-voltage electrical distribution systems.

Reliable Surge Protection for Electrical Installations

Surge protection devices such as the Mersen 83010103 help protect electrical systems by diverting transient overvoltages away from connected equipment. This reduces the risk of damage to power supplies, control electronics, automation systems and other sensitive electrical components.

As a Type 1 surge arrester, the 83010103 is particularly suited to installations where the electrical supply may be exposed to direct or indirect lightning effects, including sites with external lightning protection systems or overhead supply lines.

Typical Applications

  • Incoming power supply protection.
  • Industrial control panels and switchboards.
  • Commercial electrical distribution boards.
  • Single-phase low-voltage installations.
  • Lightning protection system coordination.
  • Protection of sensitive electrical and electronic equipment.

Technical Specifications

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Impulse Current Iimp (kA) 50 kA
Voltage 120 V
Phase Single Phase
Poles 1-pole
Device Type Surge protection device
SPD Type Type 1
Earthing System TN-C, TN-S, TT
Nominal Discharge Current (In) 50 kA
Remote Signal No
Manufacturer Mersen
Series Surge-Trap Monobloc STMT1
Model 83010103
Catalogue number STMT1-50K150V-1P
Product type Surge protection device
SPD Type Type 1 / Class I
Configuration TN-S, TN-C, TT
Number of poles 1 pole
Nominal operating voltage 120 V
Maximum continuous operating voltage 150 V
Impulse current rating 50 kA Iimp (10/350 µs)
Format Monobloc
Module width 2 modules
Protection rating IP20
Short-circuit withstand rating 50 kA
Mounting type DIN rail mounting
EAN / UPC 8435297852322
RoHS compliant Yes
Weight approx. 0.251 kg
HS Code 85363090
Country of Manufacture Spain

Frequently Asked Questions

What is the Mersen 83010103 used for?

The Mersen 83010103 is used to protect low-voltage electrical installations against transient overvoltages caused by lightning strikes and switching surges.

What type of surge protection device is the 83010103?

The 83010103 is a Type 1 / Class I surge protection device, suitable for first-stage surge protection at the incoming supply.

What is the impulse current rating of the Mersen 83010103?

The Mersen 83010103 has an impulse current rating of 50 kA Iimp using a 10/350 µs waveform.

What voltage rating does the 83010103 have?

The device has a 120 V nominal operating voltage and a 150 V maximum continuous operating voltage.

Where is the Mersen 83010103 typically installed?

The Mersen 83010103 is typically installed on DIN rail inside distribution boards, switchboards or control panels at the incoming power supply point.

Trusted by Electrical Engineers Worldwide

Mersen surge protection devices are trusted by electrical engineers, panel builders and contractors to provide reliable overvoltage protection for industrial, commercial and low-voltage electrical installations.