Description
CA SDB4-12/630A
630A-1250A Special shaped busbar bushing is designed for outdoor Power Cable Sector and Underground Power Cable Sector. It is suitable for branch box,surround power supply branch cabinet of European style,and can connect with 630A Shield Fore-Connector.
Specifications
CA SDB4-12/630A
| Continuous voltage ratings | |||
| Project | Parameter (15kV) | Parameter (24kV) | Parameter (35kV) |
| Continuous operating voltage | 8.7kV/15kV | 12/20kV 18/20kV 26kV/35kV | |
| Ac withstand voltage | 45kV/1min | 55kV/5min | 117kV/5min |
| DC withstand voltage | 53kV/15min | 78kV/15min | 104kV |
| 1.5/50 u s Impulse withstand voltage | 95kV | 125kV | 215kV |
| <10PCPartial discharge voltage | 15kV | 20 kV | 45kV |
| Current rating | |||
| Project | 250AMP | 600AM P | |
| Heat stable current | 16kA1s | 30kA2s | |
| Peak withstand current | 40 kA | 105kA |
| Behaviour Of Electricity | ||
| Description | Unit | Parameters (kV) |
| Continuous operating voltage | kV | 35 |
| Impulse withstand voltage | kVp | 1 |
| Rated voltage | kV | 73.0≤U1mADC≤s77.5 |
| Residual current | mA | ≤50 |
| lmpulse 2ms | A | 170/18 times |
| withstand voltage of insulation S&ftSI&Seal testing | kV | 82 |
Order Number
| Description | Reference No. |
| 12kV 630A Special shaped busbar bushing | CA SDB4-12/630 |
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