Overview and Principle
This product is suitable for indoor use, with an alternating current frequency of 50Hz, rated voltage of 380V, and rated current not exceeding 80A. It provides isolation protection for low-voltage terminal power distribution in industrial, commercial, residential buildings, and infrastructure in similar locations, and is also applicable for occasional switching operations.
Applicable working environment and installation conditions
Ambient Temperature: -15℃
∼40℃
Relative Air Humidity: ≤95% (No Condensation)
Altitude ≤ 2,000m
Pollution Level: 2nd Grade
Areas with no significant vibration or shock
Product Features
Short-circuit Protection: The circuit breaker trips and shuts off power within 0.04 seconds upon detection of a short circuit.
C-type instantaneous trip current:

D-Type Instantaneous Trip Current:

Interrupting Current: LCS = LCN ≥ 6000A
Overcurrent (Overload) Protection:

Key Performance Indicators
Rated Voltage: AC 380V
Rated Line Current: 80A, 63A, 32A
Detent characteristics:
C-type instantaneous trip current, 5-10In
D-type instantaneous trip current, 10-14In
Wiring Capacity
25mm2Conductors and below
Meets standards
GB/T10963.1
Product Selection Sheet

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