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DC MCB 2P 16A C Curve 500V DC 6kA NB1-63DC Chint

BRAND: CABAC
SKU: 182720
$57.30 List price: $76.40
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Chint NB1-63DC DC circuit breaker features 2P 16A C curve, 500V DC and 6kA breaking capacity. Ideal for solar PV string and battery circuit protection.

Alternatively Known As: DC MCB, Solar PV Circuit Breaker, Battery Circuit Breaker, NB1-63DC-2P-C16

Technical Specifications
  • Rated Current: 16A
  • Number of Poles: 2P
  • Rated Voltage: 500V DC
  • Tripping Characteristic: C curve, 7–10 times rated current
  • Rated Breaking Capacity: 6kA
  • Standard: IEC/EN 60947-2
  • Terminal Capacity: Up to 25mm² copper conductor
  • Terminal Tightening Torque: 2.5N·m
  • Ingress Protection: IP20
  • Rated Impulse Withstand Voltage: 4kV
  • Mechanical Endurance: 20,000 operating cycles
  • Electrical Endurance: 1,500 operating cycles
  • Mounting: 35mm DIN rail
  • Power Consumption: Maximum 3.5W per pole at 16A
  • Dimensions (H x L x W): 86mm x 78mm x 36mm
  • Weight: 0.2 kg
Key Features
  • Two-pole DC protection for simultaneous isolation of positive and negative conductors
  • C-curve thermomagnetic protection against overload and short-circuit faults
  • Suitable for 500V DC photovoltaic and battery circuit applications
  • 6kA rated short-circuit breaking capacity
  • DIN-rail mounting for modular switchboards and enclosures
  • Contact position indication for easier circuit status identification
  • Accepts both incoming wiring and compatible busbar connections
  • Compatible accessories include auxiliary contacts, alarm contacts, shunt release and undervoltage release
Professional Installation Requirements
  • Installation and commissioning must be carried out by a licensed electrician or suitably qualified solar and battery technician. Select and install the breaker in accordance with the manufacturer’s instructions, AS/NZS 5033 and AS/NZS 3000, including correct DC polarity, voltage, fault-current and temperature derating requirements.
Applications
  • Solar photovoltaic string and array circuit protection
  • Battery storage and DC distribution circuits
  • Telecommunications and communication power systems
  • DC control and industrial power distribution systems
  • Modular switchboards using 35mm DIN rail equipment
Standards & Compliance
  • Applicable to photovoltaic installation requirements under AS/NZS 5033:2021
  • Circuit breaker product requirements align with AS/NZS IEC 60947.2 for low-voltage circuit breakers
  • Electrical installation work should comply with AS/NZS 3000
Environmental Benefits
  • RoHS compliance restricts specified hazardous substances in the product
  • Long mechanical and electrical service life can reduce replacement frequency and product waste
  • Compact DIN-rail construction reduces material use within electrical distribution assemblies
  • Electrical protection can help prevent damage to connected solar and battery equipment
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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