630A Vacuum Contactor

Description

Unit

Value

Main circuit

Rated working voltage (Ue)

V

1140

Rated working current (Ie)

A

630

Rated frequency (fr)

Hz

50~60

Rated making capacity

A

10Ie(AC-3)

Rated breaking capacity

A

8Ie(AC-3)

Withstand overload current capacity/s

A/s

8Ie/10

Power frequency withstand voltage

Between phases, phase to earth

kV

4.2

Vacuum breaks

kV

10

Lightening impulse withstand voltage

kV

8

Control circuit

Rated voltage (Us)

V

220/380

Rated power (Ps)electric holding

VA

≤900/50 (absorbing/holding)

Auxiliary circuit

Form

3a 3b

Rated value

AC 380V/5A

Control circuit, auxiliary circuit to earth power frequency withstand voltage

kV

2

Rated operating frequency

Long-term

time/h

600(AC-3), 300(AC-4)

Short-term

time/h

2000

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

≤10

Note: Rated control voltage can be made according to customer’s requirements.