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MCCB 4P 200A 150kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271258
$2,117.50 List price: $2,823.30
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Chint NM8N 200A 4P MCCB features 150kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: NM8N-250R-200/4/22, CHINT moulded case circuit breaker, 4-pole MCCB, 200 A high-breaking-capacity circuit breaker

Technical Specifications
  • Product Configuration: NM8N-250R-200/4/22
  • Device Type: Moulded case circuit breaker
  • Number of Poles: 4P
  • Rated Current: 200 A
  • Frame Size: 250 A
  • Trip Unit: Adjustable thermal-magnetic
  • Neutral Protection: Protected neutral with adjustable settings
  • Ultimate Breaking Capacity: 150 kA at 380/400/415 V AC
  • Service Breaking Capacity: 150 kA at 380/400/415 V AC
  • Rated Operational Voltage: 380/400/415 V, 440 V, 500 V and 660/690 V AC
  • Rated Insulation Voltage: 1,000 V AC
  • Rated Impulse Withstand Voltage: 8 kV
  • Frequency: 50/60 Hz
  • Utilisation Category: A
  • Thermal Setting Range: 0.7–1.0 times rated current
  • Magnetic Setting Range: 5–10 times rated current for 180–250 A distribution applications
  • Installation Orientation: Vertical or horizontal mounting
  • Electrical Life: Up to 10,000 operations at 415 V and rated current
  • Mechanical Life: Up to 25,000 operations
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.5 kg
Key Features
  • 150 kA high ultimate and service short-circuit breaking capacity at 415 V AC
  • Four-pole construction for three-phase and neutral switching
  • Adjustable thermal overload and magnetic short-circuit protection
  • Protected neutral with adjustable neutral protection settings
  • 250 A frame with a 200 A rated trip current
  • Suitable for switchboard mains and low-voltage power distribution protection
  • Suitable for isolation when installed according to the applicable requirements
  • Top or bottom line entry supported
  • Optional auxiliary, alarm, shunt-trip and undervoltage accessories available for the NM8N series
Professional Installation Requirements
  • Installation, adjustment and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the manufacturer's instructions and the requirements for low-voltage switchgear. Confirm fault levels, discrimination, cable ratings and switchboard assembly compliance before installation.
Applications
  • Main incoming protection in commercial and industrial switchboards
  • Three-phase power distribution systems with neutral switching
  • Low-voltage switchboard mains protection
  • Industrial distribution boards and motor control centres
  • High prospective-fault-current installations requiring up to 150 kA breaking capacity at 415 V AC
Standards & Compliance
  • Relevant product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Manufacturer product documentation specifies IEC/EN 60947-2; Australian installation and switchboard compliance must be verified for the completed installation
Environmental Benefits
  • Durable moulded-case construction and a rated mechanical life of up to 25,000 operations can reduce replacement frequency and product waste
  • Adjustable protection settings support accurate system coordination, helping reduce unnecessary equipment damage and replacement
  • Designed for repairable and accessory-supported switchboard systems, extending functional service life
Warranty Information

CHINT's general policy for other low-voltage apparatus provides a 27-month warranty from the date of manufacture against defects in materials and workmanship when supplied through authorised sales channels. Contract terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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