Customization: | Available |
---|---|
Type: | High-voltage |
Structure: | Three-column Disconnector |
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Description | 15kV BIL 95/110kV | 15kV BIL 125kV | 27kV BIL 125kV | 27kV BIL 150kV | 38kV BIL 170/185kV |
T to T* | 480/646mm | 646mm | 796mm | 796mm | 1145mm |
T to G/E* | 480/763mm | 763mm | 763mm | 1126mm | 1126mm |
Items | Unit | ZW32-12/400 | ZW32-12/630 | ZW32-12/1250 | |
Rated voltage | kV | 12 | |||
Rated current | A | 400 | 630 | 1250 | |
Rated short circuit breaking current | kA | 20/25 | |||
Rated short circuit making current (peak value) |
50 | ||||
Rated peak withstand current | 50 | ||||
Rated short circuit withstand current | 50 | ||||
Rated short circuit duration | S | 4 | |||
Rated insulating level | 1 minimum PF withstand voltage | Phase to phase, to ground 40, fracture 48 | |||
Lightning impolse withstand voltage peak value | phase to phase, to ground 75, fracture 85 | ||||
Rated sequence of operations | O-0.3s-CO-180s-CO | ||||
Rated short circuit current breaking time | 30 | ||||
Mechanical endurance | 10,000 | ||||
Rated operation voltage (opening, closing coil) |
V | DC220,110 AC220,110 | |||
Moving and fixed contact allowance wearing collation thickness |
mm | 3 | |||
Over-current release nominal current | 5 | ||||
Current transformer ratio | A | 200/5,400/5 and 600/5 | |||
1 minimum second PF withstand voltage | mm | 2 | |||
Over current tripping current | A | 5 | |||
Rated single capacitor bank switching current |
kA | 630 |