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MCCB 4P 32A 36kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271376
$1,852.80 List price: $2,470.40
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Chint NM8N 32A 4P MCCB features 36kA breaking capacity, standard electronic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, MCCB, 4-Pole Electronic Circuit Breaker, Main Switchboard Circuit Breaker

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Frame Size: 250A
  • Rated Current: 32A
  • Number of Poles: 4P, protected neutral configuration
  • Trip Unit: Standard electronic type, EM
  • Ultimate Short-Circuit Breaking Capacity: 36kA at 380/400/415V AC
  • Rated Insulation Voltage Ui: 1000V
  • Rated Impulse Withstand Voltage Uimp: 8kV
  • Rated Operational Voltage: Up to 690V AC
  • Frequency: 50/60Hz
  • Utilisation Category: A
  • Short-Time Withstand Current Icw: 1kA for 1 second at 32A
  • Isolation Function: Suitable for isolation
  • Operating Temperature: -25°C to +70°C for standard electronic type
  • Mechanical Endurance: 25,000 operating cycles
  • Electrical Endurance: 10,000 operating cycles at 415V AC and rated current
  • Protection Functions: Overload, short-circuit instantaneous, short-circuit short-time delay and earth-fault protection
  • Neutral Protection: Adjustable neutral-line protection with trip timing coordinated with the phase poles
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.65 kg
Key Features
  • 36kA short-circuit breaking capacity at 380/400/415V AC
  • 250A frame with 32A adjustable electronic rating
  • Four-pole configuration with protected neutral
  • Standard electronic trip unit with adjustable protection parameters
  • Provides overload, short-circuit and earth-fault protection
  • Real-time current, protection parameter and fault information display
  • Suitable for low-voltage distribution systems and switchboard mains protection
  • Suitable for isolation applications
  • Zero arcing distance design
Professional Installation Requirements
  • Installation, configuration and testing must be performed by a licensed electrician in accordance with the manufacturer's instructions, applicable wiring rules and switchboard requirements. Confirm prospective fault current, discrimination, conductor sizing, neutral protection settings and Australian compliance markings before energisation.
Applications
  • Main incoming protection in commercial switchboards
  • Industrial low-voltage distribution boards
  • Building services and electrical distribution systems
  • Data centre and infrastructure switchboards
  • Protection of feeders, circuits and electrical equipment
  • Three-phase systems requiring switched and protected neutral conductors
Standards & Compliance
  • Manufacturer-declared compliance with IEC/EN 60947-1 and IEC/EN 60947-2
  • Applicable Australian installation requirements include AS/NZS IEC 60947.2 and AS/NZS 3000; verify the specific product's Australian approval, EESS registration and RCM marking before supply or installation
Environmental Benefits
  • RoHS declaration available for the NM8N product range, supporting restriction of hazardous substances
  • Electronic protection functions can assist accurate fault and overload management, reducing equipment damage and premature replacement
  • Durable moulded-case construction and rated mechanical endurance can reduce replacement waste over the product service life
Warranty Information

CHINT warranty policy for other low-voltage apparatus provides 27 months from the date of manufacture when purchased through authorised sales channels, subject to the applicable customer contract and warranty terms.

Available Now

Available through authorised CHINT distributors in Australia.

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