| Brand | ROCKWILL |
| Model NO. | Center Vee Switch Unitized for Wind Power Substations |
| Rated voltage | 145kV |
| Rated normal current | 4000A |
| Series | RDS |
The Center Vee Switch Unitized is a high-voltage switching device with a double-column V-type structure design. It is mainly used for circuit switching and electrical isolation under no-load conditions in power systems, and has significant advantages especially in scenarios such as wind power and substations.
Fully Assembled and adjusted prior to shipment for quick installation
Rotating Blade Mechanisn
Reverse Loop Contacts
Laminated Shunt Hinge
Double Row Stainless Steel Bearing
| Parameter (IEC Terminology) | Specification / Rating |
|---|---|
| Equipment Type | Outdoor Double-Column Center Break V-Type Disconnector |
| Rated Voltage (Ur) | 12kV / 24kV / 36kV / 72.5kV / 126kV / 145kV |
| Rated Normal Current (Ir) | 3150A / 4000A (Aligned with the 3000A–4000A range) |
| Rated Frequency (fr) | 50 Hz / 60 Hz |
| Rated Short-time Withstand Current (Ik) | 40 kA / 50 kA / 63 kA (for 3 seconds) |
| Rated Peak Withstand Current (Ip) | 100 kA / 125 kA / 160 kA |
| Rated Lightning Impulse Withstand Voltage (BIL) | To earth and between poles: up to 650 kV (for 145kV) Across the isolating distance: up to 730 kV |
| Rated Power-frequency Withstand Voltage (1 min) | To earth and between poles: up to 275 kV (for 145kV) Across the isolating distance: up to 315 kV |
| Mechanical Endurance Class | Class M2 (10,000 extended mechanical operating cycles) |
| Contact Design | Reverse Loop Contacts (Self-locking electromagnetic force under short-circuit currents) |
| Hinge Design | Laminated Shunt Hinge |
| Mechanism & Bearings | Rotating Blade Mechanism with Double Row Stainless Steel Bearing |
| Interrupter Attachments | Compatible with Turner TECORupter (For switching bus-transfer currents, small capacitive/inductive currents) |
| Installation Status | Fully Assembled and adjusted prior to shipment (Unitized) |
No, it is fully assembled and adjusted prior to shipment, which significantly reduces on-site installation time and labor costs.
It features reverse loop contacts that generate a self-locking electromagnetic force during short circuits, preventing the contacts from blowing open.
Yes, the double-column Center Vee structure requires a significantly smaller footprint than traditional designs, making it ideal for space-constrained upgrades.
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