AC high voltage vacuum contactor

Unit: SET

Size: JCZ3-24JD/D

Price: FOB SHANGHAI

1. Product Introduction

This series of products is suitable for power systems with AC 50~60Hz, rated voltage of main circuit 24kV, and rated currents of 160A, 250A, 400A, and 630A respectively, for direct or long-distance connection and disconnection of the main circuit. It adopts the international mainstream epoxy overall casting semi-cylindrical insulating frame structure, which fully meets the international insulation requirements. The product is used at an altitude of no more than 1000 meters.

2. Main technical parameters

host

electricity

road

Rated working electric calendar (Ue)

kV

24

Rated operating current (Ie)

A

160

250

400

630

Rated closing capacity (Im)

kA

1.6

2.5

4

6.3

Rated breaking capacity (Ie)

kA

1.28

2

3.2

5.04

Rated withstand overload current and time

kA/s

2.4/1

3.75/1

6/1

9.45/1

Rated short-time withstand current (Ik)

kV

1.6

2.5

4

6.3

Rated peak withstand current (Ip)

kV

4

6.25

10

16

Rated short circuit duration (tk)

s

4

Power frequency withstand voltage

Alternately, relatively

kV

65

vacuum fracture

kV

65

Lightning impulse withstand voltage

kV

125

Control circuit

Rated voltage1 ( Us)

IN

AC or DC. 110/220/380

Rated power (Ps)

electric hold

AND

≤2000/30 (pull/hold)

mechanical hold

≤2000/700 (closing/opening)

auxiliary circuit

form

Three open three closed

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

kV

2

Rated operating frequency

long-term or mechanically maintained

times/h

300

short term

times/h

60

Mechanical Life 2

Ten thousand times

100

Electrical life

Ten thousand times

25 (AC-3)、6 (AC-4)

mechanical

characteristic

Closing time

ms

≤200

Intrinsic opening time

ms

≤50

Three phases out of phase

ms

≤3

Closing bounce

ms

≤6

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

      2. For the mechanical holding type, the locking device needs to be replaced every 100,000 times.