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MCCB 4P 350A 150kA Thermal Magnetic 400A Frame NM8N Chint

BRAND: CABAC
SKU: 269231
$3,639.50 List price: $4,852.60
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Chint NM8N 350A 4P MCCB features 150kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 400A frame. For switchboard mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, MCCB, Thermal-Magnetic Circuit Breaker, Main Switchboard Circuit Breaker

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Frame Size: 400A
  • Rated Current: 350A
  • Number of Poles: 4P with protected neutral configuration
  • Trip Unit: Thermal-magnetic distribution protection
  • Rated Ultimate Short-Circuit Breaking Capacity Icu: 150kA at 380/400/415V AC
  • Rated Service Short-Circuit Breaking Capacity Ics: 150kA at 380/400/415V AC
  • Rated Operational Voltage: Up to 690V AC
  • Rated Insulation Voltage Ui: 1000V
  • Rated Impulse Withstand Voltage Uimp: 8kV
  • Utilisation Category: A
  • Isolation: Suitable for isolation
  • Operating Frequency: 50/60Hz
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 operating cycles at 415V AC and rated current
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.5 kg
Key Features
  • 150kA short-circuit breaking capacity at 380/400/415V AC
  • Thermal-magnetic protection against overload and short-circuit faults
  • Four-pole configuration for three-phase systems with neutral switching and protection
  • 400A frame with a 350A rated trip unit
  • Suitable for fixed front or rear connection applications
  • Suitable for distribution switchboards, commercial buildings, industrial facilities and data centres
  • Supports isolation of the protected circuit
  • High fault-current protection for mains and submains applications
Professional Installation Requirements
  • Installation, adjustment and commissioning must be performed by a licensed electrician in accordance with the manufacturer's instructions, AS/NZS IEC 60947.2 and AS/NZS 3000. Confirm prospective fault current, discrimination, cable capacity, neutral protection requirements and RCM or product approval documentation before energisation.
Applications
  • Main switchboard protection
  • Low-voltage commercial and industrial distribution boards
  • Three-phase mains and submains protection
  • Data centre power distribution
  • Industrial plant and infrastructure switchboards
  • High fault-level electrical distribution systems
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 is the applicable Australian/New Zealand product standard for low-voltage circuit-breakers; verify product-specific conformity and RCM documentation before installation
  • AS/NZS 3000 applies to the electrical installation, switchboard integration and wiring practices
Environmental Benefits
  • Copper and other metallic components can be recovered and recycled at end of service life
  • RoHS documentation supports restriction of specified hazardous substances in the product
  • Long operating life can reduce replacement frequency and associated material waste
Warranty Information

CHINT warranty terms for other low-voltage apparatus provide coverage against defects in materials and workmanship for 27 months from the date of manufacture when sold through authorised channels, subject to the applicable CHINT terms and sales contract.

Available Now

Available through authorised CHINT distributors in Australia.

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