AC high voltage vacuum contactor (high current)

Unit: SET

Size: 72CKG8-(7.2or12)J/D(800or1000or1250)

Price: FOB SHANGHAI

1. Product Introduction

This product is suitable for AC 50~60Hz, rated working voltage 7.2kV, 12kV, rated current 800, 1000A, 1250A power system, for direct or long-distance connection and disconnection of the main circuit and control of non-inductive AC motors and transformers and other electrical equipment. The altitude of the product is not more than 1000 meters.

2. Main technical parameters

name

unit

value

The main circuit

Rated working voltage (Ue)

kV

7.2

12

Rated operating current (Ie)

A

800 , 1000 , 1250

Rated frequency (fr)

Hz

50~60

Rated making capacity

A

4 Yes (AC-2)

Rated breaking capacity

A

6 Yes (AC-2)

Rated short-time withstand current

A

8Ie

Rated peak current

A

15 Ie

Ultimate breaking capacity

A

8Ie, 3 times

Rated short circuit duration

s

2

Power frequency withstand voltage

Alternately, relatively

kV

32

42

vacuum fracture

kV

32

42

Lightning impulse withstanding voltage

kV

60

75

Control circuit

Rated voltage1 ( Us)

IN

AC or DC 110/220

Rated power (Ps)

electric hold

AND

≤ 1000/100 ( occlusion /retention)

auxiliary circuit

form

Three openings and two closings to six openings and five closings

rated value

AC380V/5A、DC380/1A

Power frequency withstand voltage of control circuit and auxiliary circuit to ground

kV

2

Rated operating frequency

long-term or mechanically maintained

times /h

120

short term

times /h

360

Mechanical Life 2

Ten thousand times

10

Electrical life

Ten thousand times

2,5 (AC-2)

mechanical properties

Closing time

ms

≤200

Intrinsic opening time

ms

≤60

Three phases out of phase

ms

≤3

close

ms

≤10

Note: 1. The rated control voltage can also be customized according to user needs.

2. The mechanical holding type needs to replace the locking device every 100,000 times.