MERSEN FUSE Handle black125mm IP65 NEMA 3R HB125

MERSEN FUSE Handle black125mm IP65 NEMA 3R HB125

Mersen HB125 external front-operation pistol handle with a 125 mm black handle, IP65 and NEMA 3R protection for compatible low-voltage disconnect switches.

SKU: HB125MPN: HB125
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Why Choose the Mersen HB125 External Operating Handle?

The Mersen HB125 is a genuine external front-operation pistol handle designed for compatible Mersen low-voltage disconnect switches. Featuring a robust black finish, a 125 mm operating handle and an IP65 / NEMA 3R environmental rating, it provides safe, reliable operation of disconnect switches mounted inside electrical enclosures.

Manufactured for demanding industrial environments, the HB125 offers smooth mechanical operation while maintaining enclosure protection against dust and water ingress. It is designed for use with compatible external shaft-operated disconnect switches, allowing operators to safely isolate electrical circuits without opening the enclosure door.

Ideal for industrial control panels, switchboards and OEM machinery, the Mersen HB125 combines durable construction with dependable switching performance, making it a trusted solution for industrial power isolation applications.

Key Advantages

  • Genuine Mersen external operating handle.
  • 125 mm black pistol-style handle.
  • IP65 / NEMA 3R environmental protection.
  • Provides safe external operation of disconnect switches.
  • Durable industrial construction for long service life.
  • Compatible with selected Mersen low-voltage disconnect switches.

Key Features

  • Manufacturer: Mersen.
  • Model: HB125.
  • External front-operation pistol handle.
  • 125 mm handle length.
  • Black PA66/6 and stainless steel construction.
  • IP65 / NEMA 3R / NEMA 12 protection rating.
  • Designed for shaft-operated disconnect switches.
  • Suitable for industrial electrical enclosures.

Safe External Disconnect Switch Operation

External operating handles allow disconnect switches to be safely operated from outside an enclosure, reducing the need to access live electrical equipment. The Mersen HB125 is engineered to provide reliable mechanical operation while maintaining the enclosure's environmental protection rating.

Designed for use with compatible shaft-operated Mersen disconnect switches, the HB125 is widely used by panel builders and electrical engineers to provide safe circuit isolation in industrial applications.

Typical Applications

  • Industrial control panels.
  • Electrical switchboards.
  • Motor control centres.
  • OEM machinery.
  • Industrial power distribution equipment.
  • Machine safety isolation systems.

Technical Specifications

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IP Rating IP65
Device Type Accessory
Manufacturer Mersen
Model HB125
Product type External operating handle
Handle style Pistol type
Operation External front operation
Length 125 mm
Width 66 mm
Colour Black
Material PA66/6 with stainless steel components
Protection rating IP65
NEMA rating 3R / 12
Compatible equipment Mersen low-voltage disconnect switches

Frequently Asked Questions

What is the Mersen HB125?

The Mersen HB125 is an external front-operation pistol handle for compatible Mersen low-voltage disconnect switches.

What protection rating does the HB125 provide?

The handle is rated IP65 and NEMA 3R / NEMA 12 when correctly installed on compatible equipment.

What is the handle length?

The Mersen HB125 features a 125 mm operating handle.

What type of disconnect switches is it designed for?

The HB125 is designed for compatible Mersen shaft-operated low-voltage disconnect switches requiring external front operation.

Where is the Mersen HB125 typically used?

It is commonly installed on industrial control panels, switchboards, OEM machinery and power distribution equipment requiring safe external isolation.

Trusted by Electrical Professionals Worldwide

Mersen disconnect switch accessories are trusted by panel builders, OEM manufacturers and electrical engineers for dependable operation, durable construction and reliable performance in demanding industrial environments.