SCHNAP Logo

Making Trade Life Easy!
Trade Discount 25%

MCCB 4P 160A 70kA Standard Electronic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271399
$2,183.70 List price: $2,911.60
+ −
30 Days Return Electricians Unlock Trade Access
Chint NM8N 160A 4P MCCB features 70kA breaking capacity, standard electronic trip unit with protected neutral and a 250A frame. For switchboard mains protection.

Alternatively Known As: CHINT NM8N 250 Frame MCCB, 4P 160A Moulded Case Circuit Breaker, 70kA Electronic Circuit Breaker

Technical Specifications
  • Product Type: Moulded case circuit breaker
  • Frame Size: 250A frame
  • Rated Current: 160A
  • Number of Poles: 4P
  • Trip Unit: Standard electronic release, EN type
  • Neutral Protection: Protected neutral pole, 4C configuration
  • Ultimate Breaking Capacity: 70kA at 380/400/415V AC
  • Service Breaking Capacity: 70kA at 380/400/415V AC
  • Rated Operational Voltage: 380/415V AC
  • Maximum Operational Voltage: 690V AC
  • Rated Insulation Voltage: 1000V AC
  • Rated Impulse Withstand Voltage: 8kV
  • Long-Time Current Adjustment: 0.4–1.0 x In
  • Short-Time Current Adjustment: 5–12 x In
  • Utilisation Category: Category B
  • Standard Product Reference: IEC/EN 60947-2
  • Installation Position: Vertical or horizontal mounting
  • Dimensions (H x L x W): 157mm x 140mm x 88.7mm
  • Weight: 2.65 kg
Key Features
  • 70kA short-circuit breaking capacity at 415V AC
  • Four-pole switching with protected neutral
  • Electronic trip unit for adjustable overload and short-circuit protection
  • 250A frame with 160A rated current
  • Suitable for switchboard mains and secondary power distribution
  • Maximum rated operational voltage of 690V AC
  • Compatible with auxiliary contacts, shunt release, undervoltage release and motor operating accessories
  • Suitable for fixed, plug-in or withdrawable configurations when used with the appropriate accessories
Professional Installation Requirements
  • Installation, testing and commissioning should be performed by a licensed electrical contractor in accordance with the manufacturer's instructions, AS/NZS 3000 and the requirements applicable to low-voltage switchboards. Trip settings and fault ratings must be selected by a suitably qualified person for the installation.
Applications
  • Switchboard mains protection
  • Commercial and industrial low-voltage distribution boards
  • Power distribution centres and main incoming protection
  • Motor control centres and industrial control panels
  • Overload and short-circuit protection for three-phase four-wire systems
Standards & Compliance
  • IEC/EN 60947-2 for low-voltage circuit-breakers
  • Applicable Australian/New Zealand reference: AS/NZS IEC 60947.2:2015
  • Installation and switchboard integration should be assessed against AS/NZS 3000 and the applicable AS/NZS 61439 series requirements
Environmental Benefits
  • Electronic protection enables accurate current and fault-trip adjustment, supporting efficient system coordination and reducing unnecessary equipment replacement
  • Durable moulded-case construction and a rated mechanical life of up to 25,000 operating cycles can extend service life and reduce waste
  • Replaceable accessories and serviceable configuration can reduce the need to replace the complete breaker assembly
Warranty Information

CHINT warranty policy covers other low-voltage apparatus against defects in materials and workmanship for 27 months from the date of manufacture when supplied through authorised sales channels, subject to the applicable contract and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

Related Products