HUH1 series isolating switch is mainly applied in the circuits with voltage up to 690V,
rated frequency of 50Hz, and rated current up to 3200A for making and breaking
circuit or isolating functions in power distribution circuit.
It is classified into 11 specifications from 125A to 1600A viz. basic types of modularization
design. It has 3 poles or 4 poles (3 poles plus a neutral pole), which is applied for making and breaking or electric isolation to the current above 1000A.
The product complies with the standards of IEC60947-3 and GB14048.3.

Specifications:

1) Operation modes:

a) Front operated (125 - 3200A)

b) Breast operated (125 - 1600A)

2) Operation types:

a) Direct operation (cabinet-inside operation)

b) Cabinet-outside operation

3) Poles no.: 3 poles and 4 poles

4) Service of rated working: 8 hour service