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MCCB 3P 630A 36kA Standard Electronic 630A Frame NM8N Chint

BRAND: CABAC
SKU: 269470
$1,866.10 List price: $2,488.10
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Chint NM8N 630A 3P MCCB features 36kA breaking capacity, standard electronic trip unit and a 630A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, Electronic MCCB, 630A 3P Circuit Breaker, NM8N-630C EM 630 3P

Technical Specifications
  • Series: NM8N
  • Circuit Breaker Type: Moulded case circuit breaker
  • Number of Poles: 3P
  • Frame Size: 630A
  • Rated Current: 630A
  • Trip Unit: Standard electronic release, EM type
  • Breaking Capacity: 36kA at 380–440V AC
  • Rated Service Breaking Capacity Ics: 36kA at 380–440V AC
  • Rated Operational Voltage: Up to 690V AC, 50/60Hz
  • Rated Insulation Voltage Ui: 1000V
  • Ingress Protection: IP40
  • Mechanical Durability: 15,000 operations
  • Electrical Durability: Up to 4,000 operations
  • Installation: Fixed mounting with line or load connection from either direction
  • Dimensions (H x L x W): 255mm x 213mm x 140mm
  • Weight: 6.0 kg
Key Features
  • Electronic overload and short-circuit protection
  • 630A frame with 630A rated current
  • 36kA ultimate and service short-circuit breaking capacity at standard low-voltage ratings
  • Three-pole configuration for three-phase distribution systems
  • LCD-equipped standard electronic trip unit
  • Suitable for switchboard mains and sub-mains protection
  • Vertical or horizontal installation capability
  • Top or bottom line-entry arrangement
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with applicable Australian electrical installation requirements, manufacturer instructions and switchboard assembly requirements. Confirm fault levels, discrimination, cable ratings and required local approvals before energising.
Applications
  • Main incomer protection in commercial and industrial switchboards
  • Sub-main protection in low-voltage distribution boards
  • Three-phase feeder and distribution circuit protection
  • Industrial power distribution systems
  • Building services and infrastructure switchboards
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers is the applicable product standard for this MCCB category; verify local certification and RCM requirements before installation
  • AS/NZS 3000 for electrical installation design, wiring and protection requirements
  • AS/NZS 61439 series may apply to the completed low-voltage switchboard assembly
Environmental Benefits
  • Durable moulded-case construction can reduce replacement frequency and associated material waste
  • Metal and thermoplastic components may be recoverable through appropriate electrical equipment recycling streams
  • CHINT NM8N documentation includes RoHS declarations for applicable product variants
  • Electronic protection supports accurate fault isolation, helping reduce damage to downstream equipment
Warranty Information

CHINT warranty policy states 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to contract terms and exclusions for improper installation, misuse or unauthorised modification.

Available Now

Available through authorised CHINT distributors in Australia.

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