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MCCB 4P 100A 70kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271398
$2,183.70 List price: $2,911.60
+ −
Chint NM8N 100A 4P MCCB features 70kA breaking capacity, standard electronic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: CHINT NM8N 250A Frame MCCB, 100A Electronic MCCB, 4-Pole Moulded Case Circuit Breaker, Protected-Neutral MCCB

Technical Specifications
  • Rated Current: 100 A
  • Frame Size: 250 A
  • Number of Poles: 4P, 4C protected neutral
  • Trip Unit: EM standard electronic distribution protection
  • Breaking Capacity: 70 kA at 380/400/415 V AC
  • Rated Operational Voltage: Up to 690 V AC, 50/60 Hz
  • Rated Insulation Voltage: 1,000 V
  • Rated Impulse Withstand Voltage: 8 kV
  • Utilisation Category: A
  • Connection Type: Fixed front or rear connection options
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 operating cycles at 415 V AC and rated current
  • Operating Temperature: -25 °C to +70 °C for standard electronic type
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.65 kg
Key Features
  • 70 kA ultimate short-circuit breaking capacity at typical 400 V three-phase supply
  • Standard electronic trip unit for distribution protection
  • Protected neutral pole for four-wire power distribution systems
  • 250 A frame with a 100 A rated electronic trip unit
  • Suitable for isolation when installed and operated in accordance with the manufacturer’s instructions
  • Moulded-case construction for switchboard and low-voltage distribution applications
  • Available with fixed front or rear connection arrangements
Professional Installation Requirements
  • Installation, adjustment and commissioning should be performed by a licensed electrical contractor in accordance with the manufacturer’s instructions, AS/NZS 3000 and applicable switchboard requirements. Verify fault levels, discrimination, cable ratings and electronic trip settings before energisation.
Applications
  • Main incomer protection in commercial and industrial switchboards
  • Low-voltage power distribution boards
  • Three-phase, four-wire distribution systems requiring protected neutral switching
  • Building services and industrial electrical equipment protection
  • Switchboard upgrades and replacement of compatible 250 A frame MCCBs
Standards & Compliance
  • CHINT specifies compliance with IEC/EN 60947-2 for the NM8N MCCB series
  • Applicable Australian/New Zealand circuit-breaker standard: AS/NZS IEC 60947.2:2015
  • Installation and selection should also comply with AS/NZS 3000 and local electrical requirements
Environmental Benefits
  • Long mechanical service life can reduce replacement frequency and associated product waste
  • Electronic protection supports accurate overload and short-circuit protection, helping reduce damage to downstream equipment
  • Moulded-case circuit-breakers contain recyclable metal and polymer components at end of service life
  • Resettable circuit-breaker design avoids routine replacement of single-use fuses
Warranty Information

CHINT’s general policy states that other low-voltage apparatus is warranted against defects in materials and workmanship for 27 months from the date of manufacture when sold through authorised sales channels. Contractual or local distributor terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.