SKU: M25F30SMPN: M25F30S
MERSEN FUSE Switch.fus 25A FR10 R side op. M25F30S

MERSEN FUSE Switch.fus 25A FR10 R side op. M25F30S

Mersen M25F30S 25 A three-pole fuse switch disconnector for FR10 cylindrical fuse links, featuring a 3+0 configuration and right-hand side operation.

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Why Choose the Mersen M25F30S Fuse Switch Disconnector?

The Mersen M25F30S is a compact 25 A fuse switch disconnector designed to provide reliable switching, electrical isolation and fuse protection within low-voltage industrial control systems. Developed for use with FR10 cylindrical fuse links, it combines manual circuit disconnection with replaceable overcurrent protection in one practical assembly.

Featuring a three-pole 3+0 configuration and a right-hand side-operated mechanism, the M25F30S is particularly suited to electrical panels and machinery enclosures where side operation is required. All three phase conductors can be disconnected simultaneously, creating a clearly defined isolation point for maintenance and servicing.

With a rated current of 25 A, the M25F30S is suitable for smaller machinery, control circuits, auxiliary supplies and industrial distribution applications. When fitted with correctly selected FR10 fuse links, it helps protect cables and connected equipment against overload and short-circuit conditions.

Key Advantages

  • Combines switching, isolation and fuse protection in one compact device.
  • 25 A rated current for industrial control applications.
  • Designed for FR10 cylindrical fuse links.
  • Three-pole 3+0 configuration for three-phase circuits.
  • Right-hand side operation supports flexible enclosure layouts.
  • Compact design helps conserve valuable panel space.

Key Features

  • Mersen fuse switch disconnector.
  • 25 A nominal current rating.
  • FR10 cylindrical fuse-link compatibility.
  • Three switched poles in a 3+0 arrangement.
  • Right-hand side-operated mechanism.
  • Manual load switching and circuit isolation.
  • Replaceable fuse links for application-specific protection.
  • Compact construction for industrial panel installation.

Compact Switching and Fuse Protection

Fuse switch disconnectors combine a mechanical isolation device with replaceable fuse links. The Mersen M25F30S allows three-phase circuits to be manually disconnected while the installed FR10 fuses provide protection against excessive current and short-circuit faults.

Its side-operated arrangement is useful in customised control panels where front access is restricted or where the operating control must be positioned on the side of the enclosure. Fuse links should be selected according to the load characteristics, conductor size and required protection performance.

Typical Applications

  • Industrial control panels.
  • OEM machinery and production equipment.
  • Three-phase auxiliary circuits.
  • Motor and equipment protection.
  • Industrial automation systems.
  • Commercial electrical distribution assemblies.

Technical Specifications

Current 25 A
Manufacturer Mersen
Model M25F30S
Product type Fuse switch disconnector
Rated current 25 A
Number of poles 3
Pole configuration 3+0
Fuse-link type FR10 cylindrical fuse
Operating position Right-hand side operated
Protection method Replaceable fuse links
Switching function Circuit switching and isolation
Mounting application Electrical panel / switchboard mounting
Application Low-voltage electrical systems

Frequently Asked Questions

What is the Mersen M25F30S used for?

The M25F30S is used to switch, isolate and protect low-voltage three-phase circuits in industrial control panels, machinery and electrical distribution assemblies.

What fuse links does the M25F30S accept?

The Mersen M25F30S is designed for FR10 cylindrical fuse links.

What is the current rating of the M25F30S?

The M25F30S has a nominal current rating of 25 A.

How is the M25F30S operated?

This model features a right-hand side-operated mechanism, making it suitable for panels requiring side access to the switch control.

Are fuse links supplied with the M25F30S?

Fuse links are normally selected separately so their current rating and protection characteristics can be matched to the connected circuit.

Trusted by Panel Builders and Machine Manufacturers

Mersen fuse switch disconnectors are used by panel builders, OEM manufacturers and industrial electrical engineers for dependable switching, compact installation and reliable circuit protection in low-voltage control systems.

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