- AC Motor[3]
- Power Distribution Equipment[10]
- Other Switches[7]
- Circuit Breakers[1]
- Fuses[7]
- Fuse Components[4]
- Frequency Meters[3]
- Energy Meters[5]
- Voltage Meters[2]
- Multimeters[1]
- Voltage Regulators/Stabilizers[1]
- Relays[1]
- Switching Power Supply[4]
- Contact Person : Ms. Du Jean
- Company Name : Chongqing Yueda Electric Equipment Co., Ltd.
- Tel : 86-23-86973095
- Fax : 86-23-86973092
- Address : Chongqing,Jiangbei District,5-1, 5 F, Building 5, No. 2, Gangcheng East Road, Jiangbei District, Chongqing, China
- Country/Region : China
- Zip : 400026
11KV AC HV Disconnecting Switch, Isolator Switch/ disconnect switch /knife type switch protection
11KV AC HV Disconnecting Switch, Isolator Switch/ disconnect switch /knife type switch protection
The YDDCD Disconnect Switch is a single-phase hookstick operated switch utilized to sectionalize or isolate circuits on electrical distribution systems up through 12 kV. The distribution switch can be mounted on a single or double cross arm and is rated for 630 or 900 amperes continuous current and 25KA/3S amperes momentary.
| Rating | Parameter |
| Maximum Voltage (kV) | 11 --12 |
| BIL (kV) | 110 |
| Continuous Current (A) | 630/900 |
| Momentary Withstand (kA) | 40 |
Technical Parameter
| Type | YDDCD-12/630 | YDDCD-12/900 | |
Rated voltage | 12kV | 12kV | |
Rated current | 630A | 900A | |
Rated frequency | 50Hz | 50Hz | |
Rated short time withstand current | 25kA/3S | 25kA/3S | |
Rated peak withstand current | 63kA | 63kA | |
Power frequency withstand voltage (dry, 1 minute) | Relatively earth | 54kV | 54kV |
| Between fracture | 61.5kV | 61.5kV | |
Power frequency withstand voltage (wet, 1 minute) | Relatively earth | 38.5kV | 38.5kV |
| Between fracture | 46.5kV | 46.5kV | |
Impulse withstand voltage(BIL) | Relatively earth | 110kV | 110kV |
| Between fracture | 110kV | 110kV | |
11KV AC HV Disconnecting Switch, Isolator Switch/ disconnect switch /knife type switch protection
