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JCZ7-12 AC Contactor Medium Voltage 3 Phase Vacuum Contactor

    JCZ7-12 AC Contactor Medium Voltage 3 Phase Vacuum Contactor

    JCZ7(G)12kV 400A Vacuum ContactorJCZ7-12 series AC Vacuum Contactor 3 polesis suitable for the AC electric system, of which the frequency is 50~60 Hz, rated working voltage of 12 kV (or 7.2 kV), for direct or remote on-off control of the main circuits.This series of vacuum contactors main used below the rated current from 160A-630A power network systems for remote making and breaking and frequent starting and control of AC motors, transformers and capacitor banks and other occasions.NameUnitValueMain circuitRated working voltage (Ue)kV12Rated working current (Ie)A400,630Rated frequency (fr)H...
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JCZ7(G)12kV 400A Vacuum Contactor

JCZ7-12 series AC Vacuum Contactor 3 polesis suitable for the AC electric system, of which the frequency is 50~60 Hz, rated working voltage of 12 kV (or 7.2 kV), for direct or remote on-off control of the main circuits.

This series of vacuum contactors main used below the rated current from 160A-630A power network systems for remote making and breaking and frequent starting and control of AC motors, transformers and capacitor banks and other occasions.


Name

Unit

Value

Main circuit

Rated working voltage (Ue)

kV

12

Rated working current (Ie)

A

400,630

Rated frequency (fr)

Hz

50

Rated making capacity

A

10Ie (AC-4)

Rated breaking capacity

A

8Ie (AC-4)

Rated short time withstand current

A

10Ie

Rated peak withstand current

A

25Ie

Rated short circuit duration

s

4

Power frequency withstand voltage

Wiring terminal to earth

kV

42

Vacuum breaks

kV

42

Lightening impulse withstand voltage

kV

75

Control circuit

Rated voltage (Us)

V

AC or DC. 110/220

Rated power (Ps) electric holding

VA

≤1000/100(absorbing/holding)

Auxiliary circuit

Form

 

3a+2b

Rated value

 

AC 380V/5A, DC 380V/1A

Control circuit, auxiliary circuit to earth power frequency withstand voltage

kV

2

Rated operating frequency

Long-term

time/h

300

Short-term

time/h

600

Mechanical endurance

10000 times

30

Electrical endurance

10000 times

10

Mechanical characteristics

Closing time

ms

≤200

Original opening time

ms

≤160

3-phase synchronism

ms

≤3

Closing tripping

ms

≤15

Net weight

kg

49.5

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