ZW7-40.5 Outdoor High Voltage Vacuum Circuit Breaker | 35kV Pole Mounted MV AC Switch
The ZW7-40.5 Outdoor High-Voltage Vacuum Circuit Breaker is a uniquely engineered three-phase AC 50Hz power distribution unit designed for systems with a rated voltage of 35kV/40.5kV. It features a specialized split-pole design and a highly reliable operating mechanism, ensuring optimal performance in demanding medium-voltage overhead line grids. This robust device is primarily utilized for safely dividing and combining load currents, overload currents, and short-circuit currents. Its durable construction makes it an ideal solution for substation protection and outdoor grid control where high stability and long-term reliability are required.
ZW7-40.5 Outdoor High Voltage Vacuum Circuit Breaker | 35kV Pole Mounted MV AC Switch
The ZW7-40.5 series outdoor high-voltage vacuum circuit breaker is an advanced three-phase AC 50Hz power distribution unit engineered for systems with a rated voltage of 35kV/40.5kV. It is primarily utilized in medium-voltage overhead line power grids to safely divide and combine load currents, overload currents, and short-circuit currents.
Core Technology & Reliability
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Unique Split-Pole Design: Features a uniquely designed split pole that enhances insulation performance and heat dissipation compared to traditional compact models.
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High-Reliability Mechanism: Equipped with a highly reliable operating mechanism designed for long-term stability in demanding outdoor environments.
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Vacuum Arc Quenching: Utilizes vacuum technology for arc extinguishing, providing superior electrical endurance and a maintenance-free lifecycle.
Key Features
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Durable Construction: Specifically built for outdoor pole-mounted installation, capable of withstanding harsh weather conditions in substation and grid applications.
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Versatile Grid Integration: Ideal for use in 35kV transformer substations and industrial distribution networks where high-frequency switching and fault protection are required.
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Safety & Standards: Engineered to meet rigorous safety standards for high-voltage equipment, ensuring the protection of downstream assets.
Technical Summary
| Parameter | Specification |
| Rated Voltage | 35kV / 40.5kV |
| System Frequency | 50Hz |
| Design Type | Split-pole / Outdoor Pole Mounted |
| Applications | Overhead lines, substations, industrial grids |
| Core Functions | Load breaking, overload & short-circuit protection |
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