SCHNAP Logo

Making Trade Life Easy!
Trade Discount 25%

MCCB 3P 250A 70kA Basic Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271345
$1,237.40 List price: $1,649.90
+ −
30 Days Return Electricians Unlock Trade Access
Chint NM8N 250A 3P MCCB features 70kA breaking capacity, basic electronic trip unit and a 250A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, Electronic MCCB, 250A 3P Circuit Breaker, Switchboard Main Circuit Breaker

Technical Specifications
  • Frame Size: 250A
  • Rated Current: 250A
  • Number of Poles: 3P
  • Breaking Capacity: 70kA at 380/400/415V AC
  • Trip Unit: Basic electronic type EN
  • Long-Time Current Setting: 0.4–1.0 × In
  • Short-Time Current Setting: 1.5–10 × In, with OFF position
  • Instantaneous Current Setting: 2–12 × In, with OFF position
  • Rated Operational Voltage: Up to 690V AC
  • Rated Insulation Voltage: 1000V AC
  • Rated Impulse Withstand Voltage: 8kV
  • Rated Frequency: 50/60Hz
  • Utilisation Category: A
  • Connection: Fixed front connection
  • Standard Product Designation: NM8N-250Q-250EN/3/22
  • Dimensions (H x L x W): 157mm x 140mm x 88.7mm
  • Weight: 4 kg
Key Features
  • 70kA ultimate and service breaking capacity at 380–415V AC
  • Three-stage electronic protection for overload, short-circuit short-time and instantaneous faults
  • Adjustable long-time, short-time and instantaneous trip settings
  • Suitable for switchboard mains, sub-mains and industrial power distribution
  • 250A frame with 250A rated current
  • Suitable for isolation when installed in accordance with the manufacturer’s instructions
  • Compatible with selected CHINT NM8N accessories and installation configurations
Professional Installation Requirements
  • Installation, commissioning and trip-setting adjustments must be carried out by a licensed electrician or suitably qualified switchboard technician. Install in accordance with the manufacturer’s instructions, AS/NZS 3000, applicable switchboard requirements and the verified fault level of the installation. Confirm the required RCM and Australian certification before use.
Applications
  • Main switchboard incoming protection
  • Switchboard sub-main protection
  • Industrial and commercial power distribution
  • Power distribution boards and motor control centres
  • Protection of feeders and large electrical loads
Standards & Compliance
  • AS/NZS 60947.2 is the applicable Australian/New Zealand standard for low-voltage circuit-breakers and MCCBs
  • The product range is designed to IEC 60947-1 and IEC 60947-2; Australian certification and RCM status should be verified for the specific supplied model
Environmental Benefits
  • Durable moulded-case construction can support long service life and reduce replacement waste
  • Metal terminals and internal conductive components are suitable for recovery through electrical equipment recycling streams
  • Adjustable electronic protection can improve system coordination and help reduce unnecessary equipment damage and replacement
Warranty Information

CHINT’s general policy for other low-voltage apparatus specifies 27 months from the date of manufacture against defects in materials and workmanship when purchased through authorised sales channels; contract and local distributor terms may apply.

Available Now

Available through authorised CHINT distributors in Australia.

Related Products