
2. Experience the ultimate in protection with our products, which are fully insulated, fully submersible, and available in both screened and unscreened versions, offering unparalleled versatility.
3. Designed for adaptability, our products can be effortlessly integrated into cable branch boxes, harmonizing seamlessly with loaded switch sockets.
4. The fully insulated and completely sealed connections provided by our product eliminate the critical issues caused by exposed high voltage, even in the most challenging weather conditions.
5. The ring main unit, meticulously crafted from our crossing and bus-bar connectors, represents a paragon of engineering excellence.
6. Enjoy superior performance with our product, characterized by high reliability and a cost-effective investment, ensuring peace of mind and economic efficiency.

Technical requirements:
1. Inner resistance ≤3000Ω
2. Insulation layer hardness is 45±5'A, color: gray,
3. The outerresistance is ≤3000Ω
4. Adhesive material: EPDM.
5. Rounded R1 is not marked.
6. No tolerance specified according to the tolerance table.
Product Parameters | ||||
ltem | Unit | Techincal parameter | ||
Rated voltage | kV | 8.7/15kV | ||
System voltage | kV | 10kV | ||
Rated frequency | Hz | 50Hz | ||
Applicable altitude | <1000 m | |||
5 min power frequency withstand volatge1min | kV | 39kV no breakdown, no flashover | ||
Lightning impulse voltage | kv | 95kV | ||
Ambient temparature | ºC | -25ºC~40ºC | ||
Partial discharge test | PC | 15kv<10PC |