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HMV range is the Ukrainian solution air insulated switchgear up to 17,5 kV/31,5kA/3150A with floor rolling circuit breaker.
Metal-clad Switchgear type HMV RoF, brand Hetman Electric
Standard type:
- switchgear is small-sized armored air-insulation switchgear and can effectively save space;
- switchgear has central design and is equipped with EvoPact HVX 12 kV, HVX 17,5 kV, EasyPact EXE 12 kV, EasyPact EXE 17,5 kV, LF 17,5 kV indoor medium-voltage withdrawable and enclosed vacuum circuit breaker Schneider Electric;
- switchgear possesses sufficient space for cable connection;
- switchgear is equipped with earth a switch that has short-circuit making capacity and quick closing function.
Drive-operated type:
- the circuit breaker and earth switch of switchgear are equipped with driver-operated device and can realize unattended transformer substation;
- the driver-operated device possesses electric machinery overload protection function and extended functions including hand operation precedence and closing interlock, and operates steadily and reliably.
Technical data
Switchgear Type | HMV RoF | |
Rated voltage | kV | 7,2/12/15 |
Rated power frequency withstand voltage | kV/1 min | 42 |
Rated lighting surge withstand voltage (peak value) | kV | 75/95 |
Rated frequency | Hz | 50/60 |
Rated curren | A | 630/1250/1600/2000/2500/3150/4000* |
Rated short circuit breaking current | kA | 20/25/31,5 |
Rated short time withstand current (3s) | kA | 20/25/31,5 |
Rated peak withstand current (peak value) | kA | 51/64/81 |
Service type | one-sided/two-sided | |
Protection level: | ||
Shell | IP41/IP54* | |
Between compartments | IP21 | |
Outline dimension: | ||
W | mm | 50/750/800/900/1000/1100х |
H | mm | 1350/1400/1500х |
D | mm | 2200/2400/2500 |
Internal ARC Classification | AFLR | |
Partition class | PM | |
Loss of Service Continuity Classification | LSC2B |
Switchgear Type HMV RoF Exceptional Benefits
- metal-clad switchgears is made of galvanized steel;
- metal-clad switchgears shell is divided into compartments by grounded metal partitions and has increased mechanical strength;
- 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;
- motorized drive withdrawable circuit breaker (on request);
- motor drive for earthing knife control (on request);
- low weight of new switching devices.