MERSEN FUSE Neutral pole for M800 switches 4P800

MERSEN FUSE Neutral pole for M800 switches 4P800

Mersen 4P800 genuine fourth pole accessory for compatible M800 non-fusible disconnect switches, providing four-pole isolation for industrial power distribution applications.

SKU: 4P800MPN: 4P800
Price
List Price £219.85 ex VAT
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Why Choose the Mersen 4P800 Fourth Pole Accessory?

The Mersen 4P800 is a genuine fourth pole accessory designed for compatible Mersen M800 non-fusible disconnect switches. It converts a standard three-pole switch into a four-pole configuration, enabling simultaneous isolation of an additional conductor for industrial and commercial power distribution applications.

Manufactured to the same exacting standards as the Mersen disconnect switch range, the 4P800 integrates seamlessly with compatible switchgear while maintaining reliable mechanical operation and long-term durability. It is ideal for panel builders, OEMs and electrical contractors requiring dependable four-pole switching.

Designed specifically for high-current installations, the Mersen 4P800 provides a straightforward upgrade for compatible disconnect switches, helping engineers meet application and installation requirements without replacing the complete switch assembly.

Key Advantages

  • Genuine Mersen fourth pole conversion accessory.
  • Designed for compatible M800 disconnect switches.
  • Suitable for applications up to 600 V AC.
  • Supports reliable four-pole isolation.
  • Heavy-duty industrial construction.
  • Quick integration with compatible Mersen switchgear.

Key Features

  • Manufacturer: Mersen.
  • Model: 4P800.
  • Fourth pole accessory for disconnect switches.
  • Designed for compatible M800 non-fusible disconnect switches.
  • 600 V AC maximum voltage rating.
  • Industrial-grade construction.
  • Maintains reliable switch operation after installation.
  • Ideal for power distribution and isolation applications.

Designed for High Current Power Distribution

The Mersen 4P800 enables compatible disconnect switches to provide dependable four-pole operation where isolation of an additional conductor is required. As a genuine accessory, it offers direct compatibility with approved Mersen switchgear while maintaining the switch's operational performance.

Used extensively in industrial switchboards, OEM machinery and commercial electrical installations, the 4P800 provides a robust solution for engineers seeking reliable switching performance in demanding environments.

Typical Applications

  • Industrial power distribution panels.
  • Main incoming disconnect switches.
  • Motor control centres.
  • OEM control panels.
  • Commercial electrical installations.
  • Machine isolation systems.

Technical Specifications

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Device Type Accessory
Manufacturer Mersen
Model 4P800
Product type Fourth pole accessory
Compatible equipment Mersen M800 non-fusible disconnect switches
Current rating 600 A
Voltage rating 600 V AC
Number of poles Additional fourth pole
Application Switch disconnector conversion
Installation Compatible Mersen switchgear
Construction Heavy-duty industrial design

Frequently Asked Questions

What is the Mersen 4P800?

The Mersen 4P800 is a genuine fourth pole accessory designed for compatible Mersen M800 non-fusible disconnect switches.

Which disconnect switches is it compatible with?

It is designed for use with compatible Mersen M800 non-fusible disconnect switch assemblies.

What voltage is the accessory rated for?

The 4P800 is suitable for applications up to 600 V AC.

Why is a fourth pole used?

A fourth pole enables simultaneous isolation of an additional conductor, such as a neutral, where required by the installation or system design.

Is this a genuine Mersen accessory?

Yes. The 4P800 is an original Mersen accessory manufactured specifically for compatible disconnect switch products.

Trusted by Electrical Professionals Worldwide

Mersen disconnect switch accessories are trusted by switchboard manufacturers, OEMs and electrical engineers for reliable performance, safe isolation and long-term durability in industrial power distribution systems.