Excellent Underground Cable Connector Vrbj Wrapped Intermediate Joint Cable Repair Joint
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Basic Info.
Product Description
10-20-35kV
| Operating parameters | ||||||||||||||||
| Item No. | Rated Voltage | 5 minutes power frequency withstand voltage | Universal cable cross section | Working Temperature | ||||||||||||
| VRBJ-10KV | 10KV | 39KV | 25~630mm² | Long-term 90ºC. Overload 130ºC | ||||||||||||
| VRBJ-20KV | 20KV | 54KV | 35~630mm² | Long-term 90ºC. Overload 130ºC | ||||||||||||
| VRBJ-35KV | 35KV | 117KV | 50~630mm² | Long-term 90ºC. Overload 130ºC | ||||||||||||
| Tech Data | ||||||||||||||||
| Test Item | Technical Requirements (10KV) | Technical Requirements (35KV) | Test Result | |||||||||||||
| AC withstand voltage test | 39KV, 5min, No breakdown | 117KV, 5min, No breakdown | Pass | |||||||||||||
| Partial discharge test at room temperature | 15KV,<10pC | 45KV,<10pC | Pass | |||||||||||||
| Impulse voltage test | 95ºC~100ºC, ±95KV, 10 times each without breakdown | 95ºC~100ºC, ±200KV, 10 times each without breakdown | Pass | |||||||||||||
| Constant pressure load cycle test in air | 22KV, 95ºC~100ºC, heating for 5h per cycle, cooling for 3h. No breakdown for a total of 30 cycles | 65KV, 95ºC~100ºC, heating for 5h per cycle, cooling for 3h. No breakdown for a total of 30 cycles | Pass | |||||||||||||
| Constant pressure load cyclic test in water | 22kV, 95ºC~100ºC, heating for 5h per cycle, cooling for 3h. No breakdown for a total of 30 cycles | 65KV, 95ºC~100ºC, heating for 5h per cycle, cooling for 3h. No breakdown for a total of 30 cycles | Pass | |||||||||||||
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