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MCCB 4P 225A 36kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271157
$1,058.80 List price: $1,411.70
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Chint NM8N 225A 4P MCCB features 36kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 250A frame. Ideal for switchboard mains protection.

Alternatively Known As: CHINT NM8N-250C Thermal-Magnetic MCCB, 4P 225A Circuit Breaker, Moulded Case Circuit Breaker

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Frame Size: 250A
  • Rated Current: 225A at 40°C
  • Number of Poles: 4P with protected neutral
  • Trip Unit: Thermal-magnetic, TM type
  • Rated Ultimate Short-Circuit Breaking Capacity: 36kA at AC 380/400/415V
  • Rated Operational Voltage: AC up to 690V, 50/60Hz
  • Rated Insulation Voltage: 1000V
  • Rated Impulse Withstand Voltage: 8kV
  • Utilisation Category: A
  • Mounting: Fixed connection or DIN rail compatible
  • Mechanical Life: Up to 25,000 operating cycles
  • Electrical Life: Up to 10,000 operating cycles at AC 415V and rated current
  • Standard Product Design: IEC/EN 60947-2
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.5 kg
Key Features
  • 225A thermal-magnetic overload and short-circuit protection
  • 250A frame accommodates rated currents from 125A to 250A
  • Four-pole configuration with protected neutral
  • 36kA short-circuit breaking capacity at common low-voltage system voltages
  • Suitable for isolation
  • Zero arcing distance design
  • Can be installed vertically or horizontally
  • Compatible with selected CHINT auxiliary and control accessories
Professional Installation Requirements
  • Installation, testing and commissioning must be performed by a licensed electrician in accordance with AS/NZS 3000, the switchboard manufacturer's requirements and applicable supply authority rules. Switchboard assemblies should be designed and verified to the applicable AS/NZS 61439 requirements.
Applications
  • Main switchboard incoming protection
  • Commercial and industrial distribution boards
  • Low-voltage building power distribution
  • Submain and feeder protection
  • Industrial control panels and power networks
  • Protection of electrical equipment against overload and short circuit
Standards & Compliance
  • IEC/EN 60947-2 circuit-breaker product standard
  • AS/NZS 3000 requirements apply to electrical installation and wiring
  • AS/NZS 61439 requirements apply to the design, construction and verification of switchboard assemblies
Environmental Benefits
  • RoHS documentation is available for the NM8N product family, supporting restriction of hazardous substances
  • Long mechanical and electrical service life can reduce replacement frequency and product waste
  • Replaceable accessories and serviceable construction may extend equipment operating life
  • Efficient fault protection helps limit damage to connected electrical equipment
Warranty Information

CHINT warranty policy states that other low-voltage apparatus are generally covered against defects in materials and workmanship for 27 months from the date of manufacture when sold through authorised sales channels; contractual terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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