Vacuum contactor EX-VC 0,4-1,2/630-5

Vacuum contactor EX-VC 0,4-1,2/630-5
  • Rated voltage
    1140 V
  • Rated frequency
    50 Hz
  • Rated amperage
    630 A
  • Average lifetime
    10 years
Arc extinction is carried out inside the pressurized vacuum chambers installed inside the tracking-resistant composite constructions. Contacts of vacuum chambers are made of the material providing low levels of decay current and switching over-voltages. Vacuum contactors are made of single-blocked and module design.
Vacuum contactor specifications
ParameterValue
Rated voltage, V1140
Rated amperage, A630
Rated frequency, Hz50
Rated breaking current, kA5
Rated making current, kA5
Rated short-time current capacity, kA6,3
Resistance of main contacts, max, µΩ80
Movable contact travel, mm3+1
Total break time, toff, max, s0,08
Opening time, toff, max, s0,06
Closing time, ton, max, s0,07
Main contact closure time difference, max, s0,004
Contact opening time difference, max, s0,004
Working peak air temperature during operation, max, °C+40
Lower air temperature during operation, max, °C-45
Lower air temperature limit during transportation and storage, max, °C-60
Electrical life, “On/Off” (make-carry-break) cycles at rated current1000000
Mechanical life, “On/Off” cycles1000000
Absorbed current of control circuit in 0,03 s, A, max10
Absorbed current in continuous duty, A, max0,5
One-minute test voltage, 50 Hz, kV4
Max weight, kg15
Average lifetime, years25
Photo

Appointment

Vacuum contactors EX-VC are designed for switching electric circuits in industrial and network units with voltage up to 1140 V of 50 Hz frequency.
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Reversible vacuum contactor is designed for frequent switching operations with receivers of electric energy in ABPI (automatic backup power input) systems or electrical circuit reversal in electrical networks with rated voltage of the main circuit of 380, 660, 1140 V:

  • in stationary general purpose installations ;
  • in rolling stock equipment;
  • in the mining industry for integration in shells of explosion-proof equipment.
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Reversible vacuum contactor is designed for frequent switching operations with receivers of electric energy in ABPI (automatic backup power input) systems or electrical circuit reversal in electrical networks with rated voltage of the main circuit of 380, 660, 1140 V:

  • in stationary general purpose installations ;
  • in rolling stock equipment;
  • in the mining industry for integration in shells of explosion-proof equipment.
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Vacuum contactors