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Side expansion bus connector
Side expansion bus connector
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Application areas:
Side extension connections for ring main units, providing multi-branch cascade connections for the expansion of the ring main unit.
Product Description
- #1 Side Expansion Bus Connector, including:
- 1. WNML1-15 Side Busbar Connector
- 2. WNMLD1-15 Busbar Insulator End Cap
- 3. WNML1-TG Side Expansion Busbar Insulator #1
- Product Parameters
Wolong Electric is committed to continuous product improvement, therefore we reserve the right to change designs, dimensions, and data without prior notice.

Electrical performance of #1 side expansion bus connector:
| Rated voltage | 12kV |
| Rated current | 630A |
| AC withstand voltage | 48kV/1min |
| Partial discharge | 15kV, ≤10pC |
| Impulse voltage (15 times each for positive and negative polarities) | 75kV |
| Shielding resistor | ≤5000Ω |
Wolong Electric is committed to continuous product improvement, therefore we reserve the right to change designs, dimensions, and data without prior notice.
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