- Model NO.: HS
- Shell Material: Steel Plate
- Structure: Cabinet, Protection
- Form: Partly-welded Type
- Size: 1 Uint
- Shell Protection Grade: IP23
- Trademark: SHANGHAI ELECTRIC
- Specification: type tested
- HS Code: 85372090
- Certification: CCC, ISO9001:2000
- Voltage Level: High Voltage
- Type: Power
- Operation Voltage: High Voltage
- Application Range: High-rise Buildings
- Brand: Shanghai Electric
- Transport Package: Standard Export Package
- Origin: Shanghai
   This indoor metal-clad withdrawable switchgear(hereinafter short as switchgear)is a complete power distribution device for 3.6~24kV,3-phase AC 50Hz,single-bus and single-bus sectionalized system. It is mainly used for power transmission of middle/small generators in power plants; power receiving, transmission for substations in power distribution and power system of factories, mines and enterprises, and starting of large high-voltage motor, etc.,so as to control, protect and monitor the system. The switchgear meets IEC298,GB3906-91.In addition to be used with domestic VS1 vacuum circuit breaker, it can also be used with 3AH5 from Siemens domestic ZN65A,and VB2 from GE, etc.,it is truly a power distribution device with good performance.
   In order to meet the requirement for wall mounting and front-end maintenance, the switchgear is equipped with a special current transformer, so that the operator can maintain and inspect it in front of the cubicle.
2.Service environment
  a) Air temperature: Maximum temperature: +40°C; Minimum temperature:-15°C
  b) Humidity: Monthly average humidity 95%; Daily average humidity 90% .
  c) Altitude above sea level: Maximum installation altitude: 1000M.
  d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
  e) No frequent violent shake
 3.Main technical specifications
| No | Item | Unit | Parameter | ||
| 1 | Rated voltage | kV | 7.2kV, 12 kV,17.5kV,24kV | ||
| 2 | Rated frequency | Hz | 50/60 | ||
| 3 | Rated current | A | 630,1250,1600,2000,2500,3150,4000 | ||
| 4 | Branch busbar Rated current | A | 630,1250,1600,2000,2500,3150,4000 | ||
| 5 | Main busbar Rated current | A | 630,1250,1600,2000,2500,3150,4000 | ||
| 6 | 1min Power frequency withstand voltage |
wet | kV | 38 | 50/60 |
| dry | kV | 48 | 60/65 | ||
| 7 | Lightning impulse withstand voltage | kV | 75 | 95/125 | |
| 8 | Rated short circuit breaking current (peak) | kA | 40/50/63/80/100 | ||
| 9 | Short time withstand current(4s) | kA | 20/25/31.5/40 | ||
| 10 | Protection type | Â | IP4X for housing | ||
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