| Customization: | Available |
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| Type: | Cable Branch Box |
| Structure: | Protection |
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| YB The main technical parameters | ||||
| Item | Unit | High voltage electrical equipment | Transformer | Low voltage electrical equipment |
| Rated voltage | kV | 7.2, 12 | 6/0.4, 11/0.4 | 0.4 |
| Rated capacity | kvA | Type:200-1250 | ||
| Rated current | A | 200-630 | Type:50-400 | 100-300 |
| Rated breaking current | A | Load switch 400-630A | 15-63 | |
| kA | Combined electrical equipment is dependent on fuse |
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| Rated short time withstand current(s) |
kA(xs) | 20*(2) (12.5*4) |
200-400kvA 400kvA |
15*1 30*1 |
| Rated peak withstand current |
kA | 31.5, 50 | 200-400kvA 400kvA |
30 63 |
| Rated closing current | kA | 31.5, 50 | ||
| Line frequency withstand voltage |
kV | Phase to earth and phase similar 32,40 Isolated fracture 34, 48 |
Oil immersion:35/min Dry type:28/5min |
≤300V 2kV 300 ,600V 2.5kV |
| Thunderstorke impact | kV | Phase to earth and phase similar 60,75 Isolated fracture 75 ,85 |
75 75 |
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| Noise level | dB | Oil immersion:<55 Dry type:<65 |
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| Protection grade | IP23D | |||
| Outline dimension | Choose different outline dimension according to the capacity and mode of selected transformer. | |||
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