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MCCB 3P 40A 36kA Magnetic Only 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271835
$794.10 List price: $1,058.80
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Chint NM8N 40A 3P MCCB features 36kA breaking capacity, magnetic-only trip unit for motor protection and a 125A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N-125 Magnetic MCCB, 3-Pole Motor Protection Circuit Breaker, Magnetic-Only Moulded Case Circuit Breaker

Technical Specifications
  • Device Type: Moulded case circuit breaker (MCCB)
  • Number of Poles: 3P
  • Rated Current: 40A at 40°C
  • Frame Size: 125A
  • Trip Unit: Magnetic-only motor protection, M type
  • Rated Ultimate Short-Circuit Breaking Capacity: 36kA at 380/400/415V AC
  • Rated Service Short-Circuit Breaking Capacity: 36kA at 380/400/415V AC
  • Rated Operational Voltage: 380/400/415V, 440V, 500V or 660/690V AC
  • Rated Frequency: 50/60Hz
  • Rated Insulation Voltage: 1000V
  • Rated Impulse Withstand Voltage: 8kV
  • Utilisation Category: A
  • Isolation Function: Suitable for isolation
  • Connection Type: Fixed installation with front or rear connection options
  • Dimensions (H x L x W): 140mm x 78.5mm x 90mm
  • Weight: 1.19 kg
Key Features
  • Magnetic-only trip unit for motor circuit protection
  • 36kA short-circuit breaking capacity at 380/400/415V AC
  • Compact 125A frame accommodating a 40A rated current
  • Three-pole construction for three-phase systems
  • Suitable for industrial, commercial and switchboard applications
  • Designed for high-reliability low-voltage power distribution
  • Compatible with the CHINT NM8N accessory system
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrical contractor in accordance with AS/NZS 3000, manufacturer instructions and applicable switchboard requirements. Confirm the magnetic trip setting and coordination with the motor starting current before energising.
Applications
  • Motor circuit protection
  • Industrial switchboards
  • Commercial switchboards
  • Three-phase distribution boards
  • Main and sub-main circuit protection
  • Low-voltage power distribution systems
Standards & Compliance
  • AS/NZS IEC 60947.2:2015 is the applicable Australian/New Zealand standard for low-voltage circuit-breakers. The NM8N series is specified by CHINT to IEC/EN 60947-2; verify Australian RCM and project-specific compliance requirements before installation.
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and associated waste
  • Metallic and thermoplastic components may be recoverable through appropriate electrical equipment recycling streams at end of life
  • Supports reliable motor and distribution protection, helping reduce damage and premature replacement of downstream equipment
Warranty Information

CHINT warranty policy provides 27 months from the date of manufacture against defects in materials and workmanship for other low-voltage apparatus purchased through authorised sales channels. Contractual or local Australian warranty terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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