HD18 series air isolatorsDetailed product description：

The HD18 series is suitable for use in circuits with DC 800V and below, rated currents of 1000A, 2000A, 3000A, and 4000A, for cutting off and converting DC circuits when there is no load. Suitable for the isolation and conversion of DC busbars in industries such as urban transportation, mining traction, light rail and subway, and steel rolling. Manual circuit breakers can also be installed on poles or in distribution boxes for the isolation and conversion of overhead power grids and trench cables.

model project	HD18-10/08-1 HD18-10/08-2	HD18-20/08-1 HD18-20/08-2	HD18-30/08-1 HD18-30/08-2	HD18-40/08-1 HD18-40/08-2	HD18-10/08-1 HD18-10/08-2	HD18-20/08-1 HD18-20/08-2	HD18-30/08-1 HD18-30/08-2	HD18-40/08-1 HD18-40/08-2
Rated voltage V	eight hundred
Rated current A	one thousand	two thousand	three thousand	four thousand	one thousand	two thousand	three thousand	four thousand
Operating voltage V	AC380				manual
Auxiliary switch V	AC220

HD18 series air isolator