Overview and Principle

This product is suitable for industrial, commercial, and civil infrastructure applications within buildings and similar premises, providing isolation protection for low-voltage distribution terminals at 50Hz AC, rated voltage of 380V, and rated current not exceeding 80A. It is also applicable for infrequent 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: 2

Areas with no significant vibration or shock

Product Features

Short Circuit Protection: The circuit breaker disconnects to protect against short circuits within 0.04 seconds.

C-type instantaneous trip current:

D-Type Instantaneous Breakaway 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 tripping current, 5-10In

D-type instantaneous trip current, 10-14In

Wiring capability

25mm² and below conductors

Meets Standards

GB/T 10963.1

Product Selection Sheet

Dimensions