GN30-12 rotary-type indoor high-voltage isolation switch is a rotary blade-type touch a new isolating switch, the main structure is a three- phase total of chassis.
General
GN30-12 rotary-type indoor high-voltage isolation switch is a rotary blade-type touch a new isolating switch, the main struCTure is a three- phase total of chassis, the next two planes, two sets of insulators and the fixed contact, pain Touch a revolving knife, in order to achieve a sub-closing switch.
GN30-12D type switch is GN30-12-type switch based on the increase with a grounding in the form of a knife can meet the needs of different power systems. This product is compact design takes up little space, insulating ability, easy to install and adjust its performance in line with GB1985-89
Main technical parameter
Item | Parameters | ||||
The product model | GN30-12/400-12.5 | GN30-12/400 | GN30-12/1000-31.5 | GN30-12/1250-31.5 | |
GN30-12D/400-12.5 | GN30-12D/630-20 | GN30-12/1000-31.5 | GN30-12D/1250-31.5 | ||
Rated voltage | 12 | ||||
Rated Current | 400 | 630 | 1000 | 1250 | |
Rated short-time withstand current | 12.5 | 20 | 31.5 | 31.5 | |
Rated short duration | 4 | ||||
Rated peak withstand current | 31.5 | 50 | 80 | 80 | |
Rated insulation level | 1min power frequency withstand voltage | Pole to pole、pole to earth42;fracture49 | |||
lightning impulse withstand current(peak value) | Pole to pole、pole to earth42;fracture49 |
Outline and mounting dimension