Main technical parameter
Main Circuit Rated Voltage: 3.6KV
Main Circuit Rated Current: 160A, 250A, 400A, 630A,

1. Main circuit pole number: Three poles
2. Control power supply: 220V/380V, AC 50Hz/60Hz (customer required)
3. Working way of control circuit: DC electromagnetism system, AC control power provides electricity to the coil through the rectifier bridge.
4. Auxiliary circuit contacts: 3 normal open, 3 normal closed.
5. Rated current fever of auxiliary contact is 5A
The shell of vacuum switch tube is ceramics and metal made.
6. Rated working mode: Discontinuously long-time working mode, repeatedly short-time working mode (The rated making rate is 40%)