MERSEN FUSE MS 4L 2-5 B2 +PRES. MICROSWITCH MS4L2-5B2+PRE

MERSEN FUSE MS 4L 2-5 B2 +PRES. MICROSWITCH MS4L2-5B2+PRE

Why Choose the MERSEN FUSE MS 4L 2-5 B2 +PRES.

SKU: G210157Alt SKU: MICROSWITCH MS4L2-5B2+PREMPN: G210157
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Why Choose the Mersen G210157 Fuse Microswitch?

The Mersen G210157 is a genuine fuse microswitch accessory designed for NH Size 000 and NH Size 00 square body high-speed fuses. Identified by the catalogue designation MS 4L 2-5 B2 + PRES, this automatically resettable microswitch provides reliable remote indication of fuse presence, correct mounting and fuse operation within industrial electrical systems.

The G210157 is fitted with 2.8 mm clip terminals and is intended for use with compatible Mersen Protistor® fuse systems. In the event of incorrect fuse installation or fuse operation, the microswitch changes contact status, allowing maintenance engineers to monitor fuse condition remotely and minimise equipment downtime.

Designed for industrial automation, power conversion and semiconductor protection equipment, the G210157 offers dependable indication for critical electrical installations where rapid fault diagnosis and preventative maintenance are essential.

Key Advantages

  • Genuine Mersen fuse microswitch accessory.
  • Compatible with NH Size 000 and NH Size 00 square body fuses.
  • Automatically resettable after fuse replacement.
  • Provides remote indication of fuse presence and fuse operation.
  • 2.8 mm clip terminals for compact installations.
  • Helps reduce maintenance time and equipment downtime.
  • Suitable for industrial semiconductor protection systems.

Key Features

  • Manufacturer: Mersen.
  • Model: G210157.
  • Catalogue designation: MS 4L 2-5 B2 + PRES.
  • Automatically resettable microswitch.
  • Indicates fuse presence and correct installation.
  • Changes contact state following fuse operation.
  • 2.8 mm clip terminals.
  • Compatible with Protistor® NH Size 000 and NH Size 00 fuse systems.
  • Industrial-grade construction.
  • Designed for professional electrical installations.

Reliable Remote Fuse Monitoring

Remote indication accessories allow maintenance personnel to monitor fuse status without dismantling equipment or manually inspecting every fuse. By signalling incorrect fuse installation or fuse operation, the microswitch helps speed up fault diagnosis and reduces machine downtime.

The Mersen G210157 is specifically designed for compatible Protistor® fuse assemblies and is widely used in industrial automation, semiconductor protection equipment and power conversion systems where equipment availability is critical.

Typical Applications

  • Industrial control panels.
  • Variable frequency drives.
  • Power converters.
  • UPS systems.
  • Semiconductor protection equipment.
  • Industrial automation machinery.
  • Power distribution systems.
  • OEM electrical equipment.

Technical Specifications

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Device Type Accessory
Fuse Size NH000
Manufacturer Mersen
Series Protistor® Fuse Accessories
Model G210157
Catalogue number MS 4L 2-5 B2 + PRES
Product type Fuse microswitch accessory
Compatible fuse sizes NH 000 and NH 00
Terminal type 2.8 mm clip terminals
Reset type Automatically resettable
Function Fuse presence and operation indication
Weight Approximately 26 g
Mounting Compatible Mersen Protistor® fuse assemblies

Frequently Asked Questions

What is the Mersen G210157 used for?

The G210157 is a fuse microswitch accessory that provides remote indication of fuse presence, correct installation and fuse operation in compatible Mersen square body fuse assemblies.

Which fuse sizes is the G210157 compatible with?

It is designed for use with compatible NH Size 000 and NH Size 00 square body fuse systems.

Does the microswitch reset automatically?

Yes. The G210157 is automatically resettable and resumes normal operation after the fuse has been correctly replaced.

What type of terminals does it use?

The G210157 is fitted with 2.8 mm clip terminals for electrical connection.

Where is the G210157 commonly installed?

It is commonly installed in industrial drives, automation panels, power converters and semiconductor protection systems using compatible Mersen fuse assemblies.

Trusted for Industrial Electrical Monitoring

Mersen fuse accessories are trusted worldwide by panel builders, OEM manufacturers and maintenance engineers to provide reliable monitoring and dependable protection for industrial electrical systems.