SCHNAP Logo

Making Trade Life Easy!
Trade Discount 25%

MCCB 3P 20A 70kA Thermal Magnetic 125A Frame NM8N Chint

BRAND: CABAC
SKU: 271622
$727.90 List price: $970.50
+ −
30 Days Return Electricians Unlock Trade Access
Chint NM8N 20A 3P MCCB features 70kA breaking capacity, thermal-magnetic trip unit and a 125A frame. Ideal for switchboard mains and sub-mains protection.

Alternatively Known As: Moulded Case Circuit Breaker, 3-Pole MCCB, Thermal-Magnetic Circuit Breaker, NM8N-125Q TM 20A 3P

Technical Specifications
  • Rated Current: 20 A
  • Number of Poles: 3P
  • Frame Size: 125 A
  • Trip Unit: Thermal-magnetic, TM
  • Rated Operational Voltage: 380/400/415 V AC, 50/60 Hz
  • Ultimate Breaking Capacity Icu: 70 kA at 380/400/415 V AC
  • Service Breaking Capacity Ics: 70 kA at 380/400/415 V AC
  • Rated Insulation Voltage Ui: 1000 V
  • Rated Impulse Withstand Voltage Uimp: 8 kV
  • Thermal Adjustment Range: 0.7–1.0 x In
  • Magnetic Trip: Fixed at 10 x In
  • Mounting: Fixed installation with front connection
  • Product Standard: IEC/EN 60947-2
  • Dimensions (H x L x W): 140mm x 78.5mm x 90mm
  • Weight: 1.05 kg
Key Features
  • Three-pole protection for three-phase low-voltage distribution systems
  • Thermal-magnetic protection against overloads and short circuits
  • High 70 kA fault-breaking capacity at 380/400/415 V AC
  • 125 A frame with a 20 A rated current
  • Suitable for switchboard mains and sub-mains protection
  • Can be installed vertically or horizontally with top or bottom line entry
  • Resettable alternative to single-use fuse protection
Professional Installation Requirements
  • Installation, selection, testing and commissioning should be carried out by a licensed electrician in accordance with AS/NZS 3000, applicable switchboard requirements and the manufacturer's installation instructions. Confirm prospective fault current, discrimination, cable protection and required Australian compliance marking before installation.
Applications
  • Switchboard mains protection
  • Switchboard sub-mains protection
  • Commercial and industrial power distribution
  • Three-phase low-voltage distribution boards
  • Protection of feeders and downstream electrical equipment
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Electrical installation and selection requirements: AS/NZS 3000:2018
  • Verify the specific Australian certification and Regulatory Compliance Mark requirements before supply or installation
Environmental Benefits
  • Resettable overcurrent protection can reduce waste compared with repeatedly replacing single-use fuses
  • Durable construction and long mechanical service life can reduce replacement frequency and associated material waste
  • Helps protect downstream electrical equipment from overload and short-circuit damage, reducing premature equipment disposal
Warranty Information

CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised CHINT sales channels. Contractual terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

Related Products