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MERSEN FUSE Neutral pole for M400 switches 4P400
Mersen 4P400 genuine fourth pole accessory designed for compatible 400 A disconnect switches, enabling four-pole isolation in industrial power distribution systems.
£103.07
Why Choose the Mersen 4P400 Fourth Pole Kit?
The Mersen 4P400 is a genuine fourth pole accessory designed for compatible Mersen 400 A disconnect switches. It enables a standard three-pole disconnect switch to be converted into a four-pole configuration, providing reliable isolation of an additional conductor where required in industrial and commercial electrical installations.
Manufactured to Mersen's high standards, the 4P400 is engineered for seamless integration with compatible switch disconnectors. It offers dependable mechanical operation while maintaining the performance, safety and reliability expected in demanding power distribution applications.
Ideal for switchboards, motor control centres and industrial distribution systems, the Mersen 4P400 provides a practical solution where four-pole switching is required for compliance with installation requirements or system design.
Key Advantages
- Genuine Mersen fourth pole conversion kit.
- Designed for compatible 400 A disconnect switches.
- Converts three-pole switches into four-pole configurations.
- Supports safe isolation of neutral or additional conductors.
- Robust industrial construction for long service life.
- Simple installation using compatible Mersen switchgear.
Key Features
- Manufacturer: Mersen.
- Model: 4P400.
- Fourth pole accessory for disconnect switches.
- Suitable for 400 A switch disconnectors.
- Precision engineered for reliable mechanical operation.
- Industrial-grade materials for demanding environments.
- Designed for power distribution and isolation applications.
- Compatible with selected Mersen disconnect switch ranges.
Designed for Reliable Power Distribution
Fourth pole accessories are commonly used where simultaneous isolation of all required conductors is necessary. The Mersen 4P400 enables compatible disconnect switches to provide dependable four-pole operation while maintaining the mechanical performance of the original assembly.
As an original Mersen accessory, the 4P400 is designed to integrate directly with approved disconnect switches, helping simplify installation while maintaining reliable long-term operation in industrial electrical systems.
Typical Applications
- Industrial power distribution panels.
- Motor control centres.
- Main incoming disconnect switches.
- Commercial electrical installations.
- OEM control panels.
- Machine isolation systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Accessory | |
|---|---|---|
| Manufacturer | Mersen | |
| Model | 4P400 | |
| Product type | Fourth pole accessory | |
| Compatible equipment | Mersen disconnect switches | |
| Current rating | 400 A | |
| 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 4P400?
The Mersen 4P400 is a genuine fourth pole accessory designed to convert compatible Mersen 400 A disconnect switches into four-pole configurations.
What equipment is it compatible with?
It is designed for use with compatible Mersen 400 A disconnect switch assemblies.
Why would a fourth pole be required?
A fourth pole allows isolation of an additional conductor, such as a neutral, where required by the electrical system design or applicable installation standards.
Is this an original Mersen component?
Yes. The 4P400 is a genuine Mersen accessory manufactured for compatible disconnect switch products.
Where is this accessory typically used?
It is commonly installed in industrial switchboards, power distribution systems, motor control centres and commercial electrical installations.
Trusted by Electrical Professionals Worldwide
Mersen switchgear accessories are specified by panel builders, OEMs and electrical engineers for dependable performance, safe isolation and long-term reliability in industrial power distribution systems.
