nm8-mr-250 chint extended rotary handle rh21 for nm8/nm8s-250

nm8-mr-250 chint extended rotary handle rh21 for nm8/nm8s-250

Chint NM8-MR-250 extended rotary handle for NM8 and NM8S-250 moulded case circuit breakers, providing safe and convenient manual operation from the front of an electrical enclosure.

SKU: NM8-MR-250Alt SKU: NM8MR250MPN: NM8-MR-250
Price
List Price £94.65 ex VAT
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Manufacturer Lead Time

£94.65

Why Choose the Chint NM8-MR-250 Extended Rotary Handle?

The Chint NM8-MR-250 is a genuine extended rotary handle designed specifically for use with Chint NM8 and NM8S-250 moulded case circuit breakers (MCCBs). It enables safe and convenient manual operation of compatible breakers from the front of an enclosure door, improving accessibility whilst maintaining panel safety.

Manufactured as part of the official Chint NM8 accessory range, the NM8-MR-250 is engineered for precise fitment, dependable operation and straightforward installation. It is an ideal choice for panel builders, OEMs, electrical contractors and maintenance engineers requiring reliable external operation of low-voltage power distribution equipment.

Suitable for industrial and commercial electrical installations, this extended rotary handle provides ergonomic breaker control whilst allowing the MCCB to remain safely enclosed inside the switchboard or control panel.

Key Advantages

  • Genuine Chint NM8 extended rotary handle.
  • Designed for NM8 and NM8S-250 moulded case circuit breakers.
  • Allows breaker operation from the enclosure door.
  • Improves operator accessibility and safety.
  • Ideal for enclosed switchboard installations.
  • Suitable for industrial, commercial and OEM applications.

Key Features

  • Chint NM8 accessory.
  • Extended rotary handle design.
  • Compatible with NM8 and NM8S-250 MCCBs.
  • Provides manual rotary ON and OFF operation.
  • Suitable for enclosure door mounting.
  • Robust construction for demanding environments.
  • Designed for low-voltage power distribution equipment.
  • Supports professional switchboard and control panel assembly.

Reliable Extended Rotary Operation for NM8 MCCBs

Extended rotary handles allow moulded case circuit breakers to be operated safely from outside an enclosure, providing improved accessibility whilst helping maintain enclosure integrity. They are widely used in industrial control panels, power distribution switchboards and OEM equipment.

The Chint NM8-MR-250 has been developed specifically for NM8 and NM8S-250 breaker frames, ensuring dependable manual operation and straightforward installation in demanding industrial environments.

Typical Applications

  • Industrial control panels.
  • Power distribution switchboards.
  • Enclosed MCCB installations.
  • OEM machinery panels.
  • Commercial electrical distribution systems.
  • Electrical maintenance and panel upgrades.

Technical Specifications

Manufacturer Chint
Series NM8 Accessories
Model NM8-MR-250
Product type Extended rotary handle
Compatible breaker frame NM8-250 / NM8S-250
Compatibility Chint NM8 and NM8S-250 MCCBs
Mounting type Enclosure-mounted extended handle
Operation type Manual rotary operation
Application MCCB switching and isolation control
Installation Electrical switchboards and control panels
Brand compatibility Chint NM8 Series
Accessory type Extended rotary handle mechanism
Device Type Accessory

Frequently Asked Questions

What is the Chint NM8-MR-250 used for?

It is an extended rotary handle that allows compatible Chint NM8 and NM8S-250 moulded case circuit breakers to be operated from the front of an enclosure.

Which MCCBs is this accessory compatible with?

The NM8-MR-250 is designed specifically for Chint NM8 and NM8S-250 MCCBs.

What does an extended rotary handle do?

It allows a compatible MCCB to be switched safely between ON and OFF positions from outside the electrical enclosure.

Is this a genuine Chint accessory?

Yes. The NM8-MR-250 is an original Chint accessory manufactured specifically for the NM8 MCCB range.

Where is this product typically installed?

It is commonly installed in industrial switchboards, control panels and OEM machinery where the circuit breaker is mounted inside an enclosure.

Trusted by Electrical Professionals Worldwide

Chint NM8 accessories are trusted by panel builders, OEM manufacturers and electrical contractors to provide reliable breaker operation, improved accessibility and professional low-voltage power distribution installations.

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