GWDCD type outdoor high voltage isolation switch

GWDCD series outdoor high voltage isolation switch is a single phase hook bar with no load operation type switch. Used for AC 50Hz or 60Hz, rated voltage 12KV and below the overhead line, mainly used with circuit breakers or load switches, to provide a break, improve the safety of equipment operation and maintenance.

Commodity name： GWDCD type outdoor high voltage isolation switch

Product Details

Summarize

Reference standard

GB 1985 "High voltage AC isolation switch and ground switch"

Use environment

1, the altitude does not exceed 1000m;
2, ambient air temperature :-10°C~45°C;
3, wind pressure does not exceed 700Pa(equivalent to wind speed 34m/s):
4, the maximum annual precipitation does not exceed 2400mm, the maximum monthly precipitation does not exceed 200mm;
5, the high daily temperature difference does not exceed 25K;
6, no frequent violent vibration places;
7. The installation site should be free of gases, vapors, chemical deposits, salt spray, dust and other explosive and corrosive substances that seriously affect the insulation and conductivity of the isolation switch

Product characteristics

1. The main circuit adopts 97% copper and silver plating treatment, which increases the electrical conductivity:
2, the pillar insulator adopts high-performance outdoor epoxy resin injection molding, corrosion resistance and outdoor anti-ultraviolet aging ability, strong hydrophobic performance, excellent process, creepage distance 367mm, pollution level IV V:
3, the limit pin can be adjusted 90° or 160° two limit modes, the factory mode is 160°, if you need 90° limit or no limit can be adjusted.

Technical parameter

Model number	Rated voltage (kV)	Rated current (A)	4S Thermal Stable current (RMS)(kA)	Dynamic stable current (Peak)(KA)	Impulse withstand voltage		1min power frequency withstand voltage
Model number	Rated voltage (kV)	Rated current (A)	4S Thermal Stable current (RMS)(kA)	Dynamic stable current (Peak)(KA)	Relative to (kV)	Interfracture (kv)	Relative to (kV)	Interfracture (kV)
(GW)DCD-121200	12	200	12.5	32	95	120	48	65
(GW)DCD-121400	12	400	12.5	32	95	120	48	65
(GW)DCD-12/630	12	630	20	50	95	120	48	65
(GW)DCD-121000	12	1000	31.5	80	95	120	48	65
(GW)DCD-121250	12	1250	31.5	80	95	120	48	65