Why Choose the Chint NM8-MR55-250 Extended Rotary Handle?
The Chint NM8-MR55-250 is a genuine IP55 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 whilst maintaining a high level of environmental protection for the handle assembly.
Manufactured as part of the official Chint NM8 accessory range, the NM8-MR55-250 is engineered for precise fitment, dependable operation and straightforward installation. It is ideal for panel builders, OEMs, electrical contractors and maintenance engineers requiring reliable external breaker operation for industrial low-voltage power distribution equipment.
Suitable for industrial and commercial electrical installations, this extended rotary handle provides ergonomic ON and OFF control whilst allowing the circuit breaker to remain securely mounted inside the enclosure, improving both operator safety and switchboard accessibility.
Key Advantages
- Genuine Chint NM8 IP55 extended rotary handle.
- Designed for NM8 and NM8S-250 moulded case circuit breakers.
- Allows breaker operation from the enclosure door.
- IP55 protection rating helps resist dust and water ingress.
- Improves operator accessibility and safety.
- Suitable for industrial, commercial and OEM applications.
Key Features
- Chint NM8 accessory.
- Extended rotary handle mechanism.
- IP55 rated handle assembly.
- Compatible with NM8 and NM8S-250 MCCBs.
- Provides manual rotary ON and OFF operation.
- Suitable for enclosure door mounting.
- Heavy-duty construction for demanding environments.
- Supports professional switchboard and control panel assembly.
Reliable IP55 Extended Rotary Operation for NM8 MCCBs
Extended rotary handles allow moulded case circuit breakers to be operated safely from outside an electrical enclosure, improving accessibility whilst maintaining enclosure integrity. The IP55 construction provides enhanced protection against dust and water ingress, making it suitable for demanding industrial environments.
The Chint NM8-MR55-250 has been developed specifically for NM8 and NM8S-250 breaker frames, ensuring dependable manual operation and straightforward installation within industrial control panels and power distribution switchboards.
Typical Applications
- Industrial control panels.
- Power distribution switchboards.
- Enclosed MCCB installations.
- OEM machinery panels.
- Commercial electrical distribution systems.
- Electrical maintenance and panel upgrades.
