Outdoor Column Intelligent Vacuum Electrical Circuit Breaker

The ZW20-12 Outdoor Column Intelligent Vacuum Electrical Circuit Breaker is a state-of-the-art solution designed to cater to the needs of modern power distribution systems. Boasting fault detection, protection control, and communication functions, this circuit breaker ensures the secure and efficient operation of power networks. With its ability to accurately detect milliamp-level zero-sequence currents and phase-to-phase short-circuit fault currents within and outside the specified range, it offers automatic disconnection for single-phase ground faults and phase-to-phase short circuits.

Key Features:

Flexible and Convenient Operation: The ZW20-12 circuit breaker offers both motorized and manual energy storage, motorized opening and closing, as well as manual operation for enhanced flexibility. It also supports both close-range and remote-controlled operations, providing convenience and ease of use.

Superior Breaking Performance: With a short-circuit breaking current of up to 25KA for 30 consecutive operations, the ZW20-12 circuit breaker ensures exceptional performance even in demanding conditions. Its high breaking capacity allows for reliable and efficient operation, contributing to the protection of the overall power distribution system.

Low Power Consumption and High Reliability: The circuit breaker incorporates a newly designed miniature electric spring mechanism, reducing the number of components and the rated power of the energy storage motor to the lowest levels (approximately 40W). This design ensures low power consumption while maintaining high reliability and performance.

Flexible Installation Options: The ZW20-12 circuit breaker offers versatile installation methods, including mounting on outdoor columns and seat installations. This flexibility allows for seamless integration into various power distribution systems, meeting different installation requirements.

Maintenance-Free Design: The main circuit, secondary components, and operating mechanism of the circuit breaker are all sealed in SF6 gas (zero gauge pressure). This design protects the internal components from external environmental influences, ensuring stable performance and reliability.

Additionally, the maintenance-free nature of the circuit breaker minimizes operational downtime and reduces maintenance costs.

Reliable Sealing Performance: The circuit breaker employs mature sealing technology, ensuring reliable sealing performance. This design prevents leakage and enhances the overall longevity and performance of the circuit breaker.

Excellent Line Insulation Performance: The use of silicone rubber sleeves in the ZW20-12 circuit breaker ensures ample insulation between the connection terminals and superior external insulation performance, guaranteeing safe and reliable operation.

"Four Remote" Functionality: The circuit breaker is compatible with a controller, enabling remote control, remote measurement, remote signaling, and remote adjustment functionality. This feature enhances the overall flexibility and control of the power distribution system.

In summary, the ZW20-12 Outdoor Column Intelligent Vacuum Electrical Circuit Breaker offers advanced functionalities, including fault detection, protection control, and communication capabilities. With its precise detection of milliamp-level zero-sequence currents and phase-to-phase short-circuit fault currents, it enables automatic disconnection for single-phase ground faults and phase-to-phase short circuits. This circuit breaker ensures safe and reliable operation, contributing to uninterrupted power supply and reduced maintenance requirements in power distribution systems.