Overview and Principle

This product is suitable for industrial, commercial, and civil buildings, as well as infrastructure in buildings and similar facilities with alternating current of 50Hz, rated voltage of 380V, and rated current not exceeding 80A. It provides isolation protection for low-voltage terminal power distribution in these areas and is also applicable for occasional switching operations.

Applicable Working Environment and Installation Conditions

Ambient Temperature: -15°C to 40°C

Relative Air Humidity: ≤95% (No Condensation)

Altitude < 2000m

Pollution Level: Grade 2

Areas with no significant vibration or impact

Product Features

Short Circuit Protection: The circuit breaker shuts off power in 0.04 seconds when a short circuit occurs.

C-type instantaneous tripping current:

D-type instantaneous trip current:

Interrupting Current: lcs = lcn ≥ 6000A

Overcurrent (Overload) Protection:

Key Performance Indicators (KPIs)

Rated Voltage: AC 380V

Rated Line Current: 80A, 63A, 32A

Detent Characteristics:

C-type instantaneous trip current, 5-10In

D-type instantaneous trip current, 10-14 In

Wiring capacity

25mm² and below conductors

Meets Standards

GB/T 10963.1

Product Selection Sheet

Dimensions