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MCCB 4P 160A 70kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271208
$1,522.00 List price: $2,029.30
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30 Days Return Electricians Unlock Trade Access
Chint NM8N 160A 4P MCCB features 70kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 250A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N-250Q TM 160 4C, 160A 4P MCCB, 250AF Thermal-Magnetic Circuit Breaker, Moulded Case Circuit Breaker

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Series: NM8N-250Q
  • Rated Current: 160 A
  • Frame Size: 250 A
  • Number of Poles: 4P
  • Trip Unit: Thermal-magnetic
  • Neutral Protection: Protected neutral pole
  • Ultimate Breaking Capacity: 70 kA at AC 380/400/415 V
  • Rated Operational Voltage: AC 380/400/415 V, 50/60 Hz
  • Rated Insulation Voltage: 1000 V
  • Rated Impulse Withstand Voltage: 8 kV
  • Thermal Trip Setting: 0.7–1.0 × In
  • Instantaneous Magnetic Trip Setting: 7–12 × In for 160 A
  • Utilisation Category: A
  • Isolation Suitable: Yes
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 operating cycles at AC 415 V and rated current
  • Mounting: Fixed or plug-in installation
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.5 kg
Key Features
  • 70 kA short-circuit breaking capacity at AC 380/400/415 V
  • Four-pole construction for three-phase systems with neutral switching
  • Protected neutral pole for enhanced four-wire circuit protection
  • Thermal-magnetic trip unit for overload and short-circuit protection
  • 250 A frame with 160 A rated current
  • Suitable for switchboard mains and distribution protection
  • Compatible with optional CHINT MCCB accessories
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard requirements.
Applications
  • Main incoming protection in commercial and industrial switchboards
  • Three-phase distribution boards with neutral protection
  • Building services and infrastructure power distribution
  • Factory, plant and machinery supply protection
  • High fault-level electrical distribution systems
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Installation should comply with AS/NZS 3000 and applicable Australian electrical safety and equipment registration requirements
Environmental Benefits
  • Metallic and thermoplastic components can be separated for responsible recycling at end of service life
  • Durable construction and high electrical endurance can reduce replacement frequency and product waste
  • Fault protection helps limit damage to connected switchboard equipment and electrical assets
Warranty Information

27 months from the date of manufacture for other CHINT low-voltage apparatus, subject to authorised sales channels, contract terms and applicable warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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