High Voltage Disconnector Switch Product Overview:
Functioning as a dependable isolation node, this High Voltage Disconnector Switch guarantees clear and visible disconnection distances. The primary structural design relies on a precise gate knife mechanism to securely open and close the circuit under specific operational tensions. Procurement teams select this hv disconnector switch to streamline grid maintenance and operational safety through the following engineered components:
- Conductive Blades: Each phase knife utilizes two conductive blades equipped with compression springs on both sides to maintain optimal contact tension.
- Adjustable Pressure: Engineering teams can easily adjust the height of the springs to obtain the exact contact pressure required for stable operational states.
- Distance Operation: Utilizes an insulated hook rod to manage the opening and closing procedures safely from a structural distance.
- Integrated Safety Lock: Features a built-in self-locking device that actively fastens the conductive plate when shifted into the closing position.
Key Features & Benefits of the High Voltage Disconnector Switch:
Integrating the High Voltage Disconnector Switch into your overhead infrastructure yields immediate functional advantages. The straightforward vertical open design targets both fast installation and long-term hardware endurance:
- Lightweight Construction: The optimized base and post insulators minimize overall weight, ensuring easy handling and installation on various transmission line supports.
- Secure Fault Protection: Designed to withstand short-time currents up to 31.5kA for 4 seconds, establishing a reliable defense mechanism during severe network faults.
- Mechanical Endurance: Capable of executing 2000 operational cycles smoothly, ensuring the High Voltage Disconnector Switch maintains its mechanical integrity over an extended lifespan.
- High Insulation Resistance: Provides exceptional lightning impulse withstand capabilities up to 120kV across the fracture, safeguarding the grid against sudden atmospheric voltage surges.
High Voltage Disconnector Switch Applications & Use Cases:
The adaptable structural footprint makes the High Voltage Disconnector Switch an optimal fastening and isolation solution for versatile electrical expansions. Whenever technical teams deploy a robust hv disconnector switch, this specific unit accommodates multiple precise installation orientations:
- Standard pillar and high-altitude pole mountings for regional overhead transmission lines.
- Wall and ceiling installations within localized distribution substations.
- Horizontal or vertical metal frame connections, strictly installed with the contact knife oriented to open towards the lower section.
- Single-phase load isolation applications operating within complex three-phase power grid networks.
High Voltage Disconnector Switch Technical Specifications:
Evaluate the comprehensive electrical and mechanical parameters below to confirm that the High Voltage Disconnector Switch aligns flawlessly with your B2B overhead network requirements.
| Technical Parameter / Item | Unit | Parameter Values | ||
|---|---|---|---|---|
| Nominal Voltage | kV | 10 | 15 | |
| Maximum Working Voltage | kV | 12 | 17.5 | |
| Rated Insulation Level (1 min Power-frequency withstand) | Over the ground | kV | 42 | 55 |
| Fracture | kV | 48 | 65 | |
| Rated Insulation Level (Lightning impulse withstand peak) | Over the ground | kV | 75 | 105 |
| Fracture | kV | 85 | 120 | |
| Rating Evaluation Rate | Hz | 50 | ||
| Rated Current | A | 200 / 400 / 630 / 1250 | ||
| Rated Short-time Withstand Current (4s) | kA | 6.3 / 12.5 / 20 / 31.5 | ||
| Rated Peak Withstand Current | kA | 16 / 31.5 / 50 / 80 | ||
| Creep Distance | mm | 300 | 380 | |
| Mechanical Life | Times | 2000 | 2000 | |
