AC high voltage vacuum contactor

Unit: SET

Size: JCZ5-7.2D/D

Price: FOB SHANGHAI

1. Product Introduction

This series of products is a national joint design model, suitable for direct or long-distance connection and disconnection in power systems with AC 50~60Hz, rated voltage of the main circuit 7.2kV, and rated currents of 160A, 250A, 400A, and 630A. The main circuit and frequent control of capacitive loads, AC motors, transformers and other electrical equipment. Widely used in power grid reactive power compensation, chemical industry, metallurgy, water supply and drainage treatment, coal mine underground equipment and other occasions. The product is used at an altitude of no more than 1000 meters.

2. Main technical parameters

host

electricity

road

Rated working voltage ( Ue)

kV

7.2

Rated operating current ( Ie)

A

160, 250, 400, 630

Rated frequency ( fr)

Hz

50-60

Rated making capacity

A

10 Yes (AC-4)

Rated breaking capacity

A

8 Yes (AC-4)

Rated short-time withstand current

A

10 Ic

Rated peak withstand current

A

25 Ie

Rated short circuit duration

s

4

Ultimate breaking capacity

6.3 kA , 3rd order

Power frequency attached voltage

Alternately, relatively

kV

32

vacuum fracture

kV

32

Lightning impulse withstand voltage

kV

60

Rated single capacitor bank breaking current ( category C2 )

A

160

Control circuit

Rated voltage1 ( Us)

IN

AC or DC.l 10/220/380

Rated power ( Ps)

electric hold

AND

≤1000/100 (pull in/hold)

mechanical hold

≤ 900/600 (closing/opening)

auxiliary circuit

form

Three openings and three 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

300

short term

times /h

600

Mechanical Life 2

Ten thousand times

100

Electrical life

Ten thousand times

25 (AC-3) 、10(AC-4)

mechanical properties

Closing time

ms

≤200

Intrinsic opening time

ms

≤100 electrical hold, ≤60 mechanical hold

Three phases out of phase

ms

≤3

Closing bounce

ms

≤5

Note: 1. The rated control voltage can also be customized according to the user's requirements.

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