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MCCB 3P 50A 70kA Magnetic Only 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271856
$1,111.70 List price: $1,482.30
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Chint NM8N 50A 3P MCCB features 70kA breaking capacity, magnetic-only trip unit for motor protection and a 125A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N-125Q M 50 3P MCCB, Motor Protection MCCB, Magnetic Trip MCCB

Technical Specifications
  • Rated Current: 50A
  • Frame Size: 125A
  • Number of Poles: 3P
  • Trip Unit: Magnetic-only release for motor protection
  • Breaking Capacity: 70kA at AC 380/400/415V and AC 440V
  • Breaking Capacity at AC 500V: 40kA
  • Rated Operational Voltage: AC 380/400/415V, 440V, 500V, 660/690V
  • Rated Insulation Voltage Ui: 1000V
  • Rated Impulse Withstand Voltage Uimp: 8kV
  • Frequency: 50/60Hz
  • Mounting: Fixed or DIN rail mounting options, subject to configuration
  • Connection: Front connection
  • Dimensions (H x L x W): 140mm x 78.5mm x 90mm
  • Weight: 1.19 kg
Key Features
  • Three-pole moulded case circuit breaker with 50A rated current
  • 125A frame provides a compact high-capacity MCCB platform
  • Magnetic-only trip unit is intended for motor short-circuit protection when used with a separate overload protection device
  • 70kA short-circuit breaking capacity at common three-phase system voltages
  • Suitable for switchboard, distribution and motor protection applications
  • NM8N series supports auxiliary, shunt-trip and undervoltage accessories subject to configuration
Professional Installation Requirements
  • Installation, selection and commissioning should be performed by a licensed electrician in accordance with the manufacturer's instructions, AS/NZS 3000 and applicable switchboard requirements. Magnetic-only protection must be coordinated with separate motor overload protection where required.
Applications
  • Motor short-circuit protection with separate overload protection
  • Switchboard mains and feeder protection
  • Commercial and industrial low-voltage distribution boards
  • Three-phase electrical distribution systems
  • Industrial control panels and motor control assemblies
Standards & Compliance
  • AS/NZS IEC 60947.2: Applicable Australian/New Zealand standard for low-voltage circuit-breakers; confirm the specific unit's Australian conformity and RCM status before supply or installation.
Environmental Benefits
  • Long service life can reduce replacement frequency and associated material waste
  • Copper and other metallic components can be recovered through appropriate electrical equipment recycling
  • Supports efficient fault isolation, helping limit damage to connected electrical equipment and reduce premature replacement
Warranty Information

CHINT's general warranty policy specifies 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels. Contractual terms and local distributor conditions may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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