HMS3

40,5 kV Air Insulated Switchboard Type HMS3

Standard type:

switchgear is small-sized air-insulation switchgear and can effectively save space;
switchgear has central design and is equipped with EvoPact SF, EvoPact HVX 40,5 kV, indoor medium-voltage fixed and enclosed vacuum circuit breaker Schneider Electric;
switchgear possesses sufficient space for cable connection;
switchgear is equipped with 3-position switch disconnector AirPact.

Drive-operated type:

he disconnector of switchgear is equipped with motor operated device and can realize unattended transformer substation.

Switchgear Type		HMS3
Rated voltage	kV	35
Rated power frequency withstand voltage	kV/1 min	95
Rated lighting surge withstand voltage (peak value)	kV	185
Rated frequency	Hz	50/60
Rated current	A	630; 1250
Rated short circuit breaking current	kA	25
Rated short time withstand current (3s)	kA	25
Rated peak withstand current (peak value)	kA	51
Service type		one-sided
Protection level:
Shell		IP 20
Between compartments		IP 00
Outline dimension:
W	mm	750;1000;1500
H	mm	1500
D	mm	2250

metal-clad switchgears is made of galvanized steel;
service safety switchgear:
- presence of mechanical and electromagnetic interlocks that prevent errors during operational switching;
- design that protects against electric arc damage;
simplicity of maintenance and repair, convenient access to the equipment and points of connection of the cables;
use of modern equipment Schneider Electric;
motor drive for disconnector control (on request);
low weight of new switching devices.