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HMS1 MV fixed pattern modular switchboard up to 12kV/25kA/1250A
Secondary Air Insulated Switchgear type HMS1, brand Hetman Electric
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 12 kV, EasyPact EXE 12 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:
- the disconnector of switchgear is equipped with motor operated device and can realize unattended transformer substation.
Technical data
| Switchgear Type | HMS1 | |
| Rated voltage | kV | 12 |
| Rated power frequency withstand voltage | kV/1 min | 42 |
| Rated lighting surge withstand voltage (peak value) | kV | 75 |
| 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 | 375; 500; 750; 1000; 1500 |
| H | mm | 840; 940; 1020; 1220; 1500 |
| D | mm | 1600; 1700; 1840; 2050 |
Secondary Air Insulated Switchgear type HMS1, brand Hetman Electric
- 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.
Gallery
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- EvoPact HVX EP 12