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MCCB 4P 200A 36kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271156
$1,058.80 List price: $1,411.70
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Chint NM8N 200A 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: Moulded Case Circuit Breaker, 4-Pole MCCB, NM8N-250C-200/4/22

Technical Specifications
  • Rated Current: 200 A
  • Frame Size: 250 A frame, Frame 22
  • Number of Poles: 4P
  • Trip Unit: Thermal-magnetic
  • Breaking Capacity Icu: 36 kA at 380/400/415 V AC
  • Service Breaking Capacity Ics: 36 kA at 380/400/415 V AC
  • Rated Operational Voltage: 380/415 V AC
  • Maximum Operational Voltage: 690 V AC
  • Rated Insulation Voltage Ui: 1000 V AC
  • Rated Impulse Withstand Voltage Uimp: 8 kV
  • Adjustable Current Setting Ir: 0.7–1.0 x In
  • Utilisation Category: A
  • Protection Rating: IP00, or IP40 with terminal covers
  • Mechanical Life: 25,000 operating cycles
  • Electrical Life: 10,000 operating cycles at 415 V AC and rated current
  • Power Dissipation: 88 W
  • Dimensions (H x L x W): 157mm x 140mm x 88.7mm
  • Weight: 2.5 kg
Key Features
  • Four-pole moulded case circuit breaker for three-phase and neutral systems
  • 36 kA short-circuit breaking capacity at 380/400/415 V AC
  • Thermal-magnetic overload and short-circuit protection
  • Protected neutral pole for improved four-wire system protection
  • 250 A frame with adjustable current setting from 140 A to 200 A
  • Suitable for isolation and switchboard mains protection
  • Compatible with a range of optional MCCB accessories
Professional Installation Requirements
  • Installation, adjustment and commissioning must be carried out by a licensed electrician in accordance with the manufacturer's instructions, AS/NZS 3000 and applicable switchboard requirements. Confirm fault levels, discrimination, cable ratings and Australian conformity documentation before energising.
Applications
  • Switchboard incomer and mains protection
  • Commercial and industrial distribution boards
  • Power centres and tertiary electrical switchboards
  • Motor control centre supply protection
  • Three-phase systems requiring protected neutral switching and overcurrent protection
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers; verify the supplied unit's Australian conformity documentation before installation.
Environmental Benefits
  • Durable moulded-case construction can support a long service life and reduce replacement waste
  • Copper and aluminium components used in electrical equipment can be recovered through appropriate electrical recycling streams
  • Suitable for system protection that can help limit equipment damage and associated material waste during overload or short-circuit events
Warranty Information

CHINT's general warranty policy specifies 27 months from the date of manufacture for other low-voltage apparatus sold through authorised sales channels, subject to the applicable contract and warranty terms.

Available Now

Available through authorised CHINT distributors in Australia.

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