VS1-12E Indoor High-Voltage Vacuum Circuit Breaker – Solid-Encaps

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VS1-12E Indoor High-Voltage Vacuum Circuit Breaker – Solid-Encapsulated Pole


The VS1-12E solid‑encapsulated pole-mounted indoor high‑voltage vacuum circuit breaker is an indoor switchgear designed for 50 Hz, 12 kV AC power systems. It serves as a protective and control unit for grid equipment and power equipment in industrial and mining enterprises. This device is suitable for frequent operations under rated working current or for applications requiring multiple switching operations of short‑circuit currents. Its vacuum arc extinguishing chamber is integrally cast within the pole, providing superior insulation performance.