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RCBO 3P+N 63A C Curve 30mA Type A 10kA NB3LEU Chint

BRAND: CABAC
SKU: 481363
$307.70 List price: $410.30
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Chint NB3LEU RCBO 3P+N C63 features 30mA Type A earth leakage protection, 10kA breaking capacity, and C curve to IEC/EN 61009-1. Ideal for final subcircuits.

Alternatively Known As: Three-Phase RCBO, 4-Pole RCBO, Earth Leakage Circuit Breaker, Residual Current Circuit Breaker with Overcurrent Protection

Technical Specifications
  • Product Series: NB3LEU-63
  • Poles: 3P+N, with three protected poles and switched neutral arrangement
  • Rated Current: 63A
  • Tripping Curve: C curve, 5–10 times rated current
  • Rated Voltage: AC 400/415V
  • Rated Frequency: 50/60Hz
  • Residual Current Sensitivity: 30mA
  • Residual Current Type: Type A, detecting sinusoidal AC and pulsating DC leakage currents
  • Short-Circuit Breaking Capacity: 10kA Icn; 7.5kA Ics
  • Residual Making and Breaking Capacity: 6kA
  • Break Time at Rated Residual Current: ≤0.1 seconds
  • Insulation Voltage: 500V
  • Impulse Withstand Voltage: 4kV
  • Protection Rating: IP20
  • Terminal Capacity: Up to 25mm² cable
  • Terminal Tightening Torque: 2N·m
  • Mounting: 35mm EN 60715 DIN rail with quick-clip device
  • Electrical Endurance: 10,000 operations
  • Mechanical Endurance: 20,000 operations
  • Environmental Compliance: EU RoHS 2.0
  • Dimensions (H x L x W): 115mm x 66.2mm x 54mm
  • Weight: 0.45 kg
Key Features
  • Combines overload, short-circuit and earth leakage protection in one device
  • Type A residual-current protection suitable for modern electronic loads
  • C curve provides protection for resistive and inductive loads with low inrush current
  • High 10kA short-circuit breaking capacity
  • 3P+N configuration for three-phase final subcircuits
  • Visual contact-position indication
  • Bottom connection for cable, U-type busbar or pin-type busbar installation
  • Compact DIN-rail construction
Professional Installation Requirements
  • Installation, testing and replacement must be performed by a licensed electrician in accordance with AS/NZS 3000 and the manufacturer's instructions. Isolate the supply before installation or maintenance.
Applications
  • Three-phase residential final subcircuits
  • Commercial switchboards and distribution boards
  • Light industrial electrical installations
  • Protection of fixed equipment and general three-phase loads
  • Final circuits requiring combined overcurrent and 30mA residual-current protection
Standards & Compliance
  • AS/NZS 61009.1 for residual current operated circuit breakers with overcurrent protection
  • AS/NZS 3000 for selection, installation and verification within Australian electrical installations
  • SAA approval identified for the NB3LEU product series
Environmental Benefits
  • EU RoHS 2.0 compliance restricts specified hazardous substances
  • Integrated protection reduces the need for separate protective devices and associated switchboard materials
  • Durable electrical and mechanical endurance can help reduce replacement frequency and product waste
Warranty Information

18-month quality guarantee period stated for the NB3LEU-63 product. Warranty coverage is subject to CHINT terms, authorised supply channels and correct installation and use.

Available Now

Available through authorised CHINT distributors in Australia.

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