Trade Discount 25%
Extended Rotary Handle Type SD to Suit NM8N 250A MCCB Chint
Chint extended (door mount) rotary handle type SD to suit NM8N 250A frame MCCB. Ideal for through-door operation of the MCCB.
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Alternatively Known As: Door-Mounted Rotary Handle, Extended MCCB Handle, Through-Door Rotary Operating Handle
Technical Specifications
- Accessory Type: Extended rotary handle
- Compatible MCCB: CHINT NM8N 250A frame
- Compatible Breaker Type: SD switch disconnector
- Model Reference: ERH22-M8SD
- Shaft Length: 500 mm
- Protection Degree: IP50
- Operating Positions: Open, closed and free trip
- Locking: OFF-position locking for 1 to 3 padlocks
- Padlock Diameter: 5–8 mm
- Door Interlock: Integrated interlock prevents door opening when the switch is ON
- Dimensions (H x L x W): 131.5mm x 500mm x 75mm
- Weight: 0.9 kg
Key Features
- Provides through-door operation of a compatible NM8N 250A MCCB
- Extended 500 mm shaft for switchboard and enclosure applications
- Designed specifically for NM8N 250A frame switch disconnectors
- Provides open, closed and free-trip position indication
- Integrated door-interlock function
- Allows OFF-position locking with up to three padlocks
- Emergency door-unlocking function included
- Reliable insulated operating mechanism
Professional Installation Requirements
- Installation, alignment and functional testing should be performed by a licensed electrician or suitably qualified switchboard technician. Isolate and secure the electrical installation before fitting or servicing the MCCB accessory, and follow CHINT installation instructions and AS/NZS 3000 requirements.
Applications
- Through-door operation of CHINT NM8N 250A MCCB switch disconnectors
- Industrial switchboards and distribution boards
- Commercial electrical enclosures
- Motor control and power distribution assemblies
- Enclosures requiring external isolation and door interlocking
Standards & Compliance
- IEC 60947-2 applies to the associated CHINT NM8N moulded-case circuit breaker
- AS/NZS 3000 applies to installation within Australian electrical installations
Environmental Benefits
- Durable mechanical construction can extend service life and reduce replacement waste
- Metal shaft and hardware components are suitable for recycling at end of service life
- Enables safe external isolation without requiring additional powered operating equipment
Warranty Information
CHINT warranty policy covers other low-voltage apparatus against defects in materials and workmanship for 27 months from the date of manufacture when purchased through authorised sales channels, subject to the applicable contract and warranty conditions.
Available Now
Available through authorised CHINT distributors in Australia.
