EVS(800-1250)/1140 series low-voltage vacuum contactor is a single pole structural unit, it can assemble to n poles according to
EVS800-1250 Series Low-voltage Vacuum Contactor
EVS(800-1250)/1140 series low-voltage vacuum contactor is a single pole structural unit, it can assemble to n poles according to customer’s requirement. Its operating mechanism is electromagnetic holding,DC magnetic system. When using AC control power source, it supply DC to coil through rectifier. Under AC-1, AC-2 class of application, it is suitable for the occasions requiring high-current control.
Main circuit rated voltage (V) | 1140V |
Main circuit rated current (A) | 800A, 1000A, 1250A |
Main circuit making capacity (A) | 4Ie (AC-2) |
Main circuit breaking capacity (A) | 4Ie (AC-2) |
Main circuit rated frequency (Hz) | 50/60 Hz |
Mechanical life (time) | 100 x 104 |
Electric life AC-2 (time) | 25 x 104 |
Rated operating frequency (time/h) | 300 |
Main circuit power frequency withstand voltage (gap) (kV) | 10 kV |
Phase to Phase, Phase to earth power frequency withstand voltage (kV) | 5 kV |
Main circuit contact resistance (μΩ) | ≤100 μΩ |
Clearance between open contacts (mm) | 2.5±0.5 mm |
Overtravel (mm) | 2.5±0.5 mm |
Secondary contdrol voltage (V) | AC:110 /220/380V, DC:110/220V |
Making time (ms) | ≤50 ms |
Breaking time (ms) | ≤50 ms |
Making bounce (ms) | ≤3 ms |
