MERSEN FUSE IEC Switch 4000A 3p 0+3 pos. M4000E03

MERSEN FUSE IEC Switch 4000A 3p 0+3 pos. M4000E03

Mersen M4000E03 IEC three-pole non-fused switch disconnector rated at 4000 A for high-current industrial power distribution, switching and electrical isolation.

SKU: M4000E03MPN: M4000E03
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List Price £14,013.34 ex VAT
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Why Choose the Mersen M4000E03 IEC Switch Disconnector?

The Mersen M4000E03 is a heavy-duty IEC switch disconnector designed for dependable switching and isolation of high-current electrical circuits. With a substantial 4000 A rated current, this industrial switch is suitable for major power distribution systems where reliable manual isolation and robust electrical performance are essential.

Manufactured by Mersen, the M4000E03 provides a practical isolation solution for switchboards, power distribution panels and industrial control assemblies. Its durable construction makes it suitable for demanding installations in which electrical equipment must be safely disconnected during maintenance, inspection or emergency procedures.

The M4000E03 features a three-pole configuration and a 0+3 switching position, making it suitable for controlling three-phase electrical supplies. Its high current capacity enables integration into large industrial installations, infrastructure projects and low-voltage distribution systems with significant electrical loads.

Key Advantages

  • Heavy-duty IEC switch disconnector for high-current installations.
  • 4000 A rated current for large electrical distribution systems.
  • Three-pole configuration suitable for three-phase circuits.
  • Provides dependable electrical isolation for servicing and maintenance.
  • Robust construction supports reliable operation in demanding environments.
  • Suitable for integration into industrial switchboards and distribution panels.

Key Features

  • Mersen IEC switch disconnector range.
  • 4000 A rated operational current.
  • Three-pole switching configuration.
  • 0+3 operating position.
  • Non-fused switching and isolation design.
  • Designed for high-capacity low-voltage distribution systems.
  • Heavy-duty mechanical construction.
  • Suitable for panel and switchboard installation.

Reliable Isolation for High-Current Power Systems

Switch disconnectors provide a controlled means of disconnecting electrical equipment from its power source. This helps maintenance personnel establish a safe isolation point before working on switchgear, machinery or downstream electrical circuits.

The Mersen M4000E03 is designed for applications requiring a particularly high current-carrying capacity. Its three-pole arrangement allows simultaneous isolation of three-phase conductors, helping simplify switching procedures in large industrial and commercial distribution systems.

Typical Applications

  • Main low-voltage distribution switchboards.
  • Industrial power distribution systems.
  • Motor control centres and control assemblies.
  • Manufacturing and process facilities.
  • Commercial and infrastructure installations.
  • OEM machinery and electrical equipment.

Technical Specifications

Current 4000 A
Phase Three Phase
Manufacturer Mersen
Model M4000E03
Product type IEC switch disconnector
Rated current 4000 A
Number of poles 3
Operating position 0+3
Switch configuration Three-pole
Fuse protection Non-fused
Primary function Electrical switching and isolation
Application High-current power distribution
Mounting type Panel / switchboard installation
Suitable system Three-phase electrical circuits
Poles 3-pole
Device Type Fuse switch disconnector

Frequently Asked Questions

What is the Mersen M4000E03 used for?

The M4000E03 is used for switching and safely isolating high-current three-phase electrical circuits in industrial and commercial power distribution systems.

What is the current rating of the M4000E03?

The Mersen M4000E03 has a rated current of 4000 A.

How many poles does this switch have?

The M4000E03 has a three-pole configuration, allowing it to switch the three conductors of a three-phase circuit.

Is the Mersen M4000E03 a fused switch?

No. The M4000E03 is a non-fused switch disconnector. Separate circuit protection should be selected according to the requirements of the installation.

Where is the M4000E03 typically installed?

It is typically installed within large switchboards, power distribution panels, motor control centres and industrial electrical assemblies.

Trusted by Electrical Professionals Worldwide

Mersen switch disconnectors are used by panel builders, electrical engineers and industrial operators requiring dependable switching, safe circuit isolation and robust performance in demanding power distribution applications.

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