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RCBO 2P 40A C Curve 300mA 63A Frame NB5LE Chint

BRAND: CABAC
SKU: 568473
$561.50 List price: $748.60
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Chint NB5LE RCBO 2P C40 features 300mA earth leakage protection, 63A frame, and C curve thermal-magnetic release. Ideal for fire protection on sub-mains.

Alternatively Known As: CHINT NB5LE RCBO, 2-Pole RCBO, Earth Leakage Circuit Breaker with Overcurrent Protection

Technical Specifications
  • Product Series: NB5LE-63/B
  • Number of Poles: 2P
  • Rated Current: 40 A
  • Rated Voltage: AC 230 V
  • Rated Frequency: 50 Hz
  • Tripping Curve: C curve, 5–10 x In
  • Residual Operating Current: 300 mA
  • Residual Current Detection: Type B
  • Short-Circuit Breaking Capacity: 6 kA
  • Rated Insulation Voltage: 500 V
  • Rated Impulse Withstand Voltage: 4 kV
  • Release Technology: Electronic with thermomagnetic overcurrent trip
  • Terminal Capacity: 1–25 mm²
  • Connection: Top feed
  • Mounting: TH35-7.5 standard DIN rail
  • Ingress Protection: IP20
  • Mechanical Life: 20,000 operations
  • Electrical Life: 10,000 operations
  • Operating Temperature: −35°C to +70°C
  • Dimensions (H x L x W): 78mm x 72mm x 89mm
  • Weight: 0.25 kg
Key Features
  • Combines residual-current, overload and short-circuit protection in one device
  • 2-pole switching and protection for single-phase sub-main circuits
  • 300mA Type B earth-leakage protection suitable for fire-protection applications
  • C-curve thermal-magnetic protection for resistive and inductive loads with moderate inrush current
  • 6kA short-circuit breaking capacity
  • Compact DIN-rail format for switchboards and distribution boards
  • Top-feed connection and accessible test functionality
Professional Installation Requirements
  • Installation, testing and commissioning must be carried out by a licensed electrical contractor in accordance with AS/NZS 3000 and applicable local electrical regulations. Confirm product approval, system fault level and coordination before installation.
Applications
  • Fire protection on electrical sub-mains
  • Single-phase commercial and industrial distribution boards
  • HVAC and refrigeration switchboards
  • Protection of resistive and inductive circuits with moderate inrush current
  • Overload, short-circuit and earth-leakage protection in commercial and industrial installations
Standards & Compliance
  • AS/NZS 3000:2018 installation requirements apply
  • AS/NZS 61009.1:2015 is the applicable Australian/New Zealand product standard for RCBOs; verify local approval and marking before installation
Environmental Benefits
  • RoHS-compliant construction helps restrict hazardous substances in the electrical product
  • Combined protection functions reduce the need for separate protective devices and associated material use
  • Long mechanical and electrical service life can reduce replacement frequency and electrical waste
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

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