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CKJ3 7.2kV High Voltage Vacuum Contactor

Category

CKJ3 7.2kV 160A, 250A, 400A, 630A vacuum contactor

Additional information

rated voltage

7.2kV

rated current

160A, 20A, 400A, 630A

Product Details:

General Introduction

CKG3vacuum contactor is mainly used in the power system with AC 50Hz and rated voltage 7.2kV, for making or breaking circuit and to make electromagnetic starter with suitable protective device and F-C switchgear.

Working Conditions

Altitude above sea should not be over 1,000m;

Ambient temperature is -5~40°C;

Average temperature in 24 hour limited below 35°C;

When the highest temperature is 40°C, the relative humidity should not be higher than 50%;

Pollution degree: class 3

Model&Meaning

CKJ3-630/7.2

C:Contactor

K:Vacuum

J:High Voltage

630:rated current

7.2:rated voltage

Technical Specification

Model Rated voltage(v) Rated current(Main circuit)(A) Parameter of main contacts Power frequencyWithstand voltage

V(effective value)

Maincircuit Controlcircuit Clearance(mm) Overtravel (mm) pressure (N)
Maincircuit Auxiliarycircuit Controlcircuit
CKJ3-7.2/160 7200 220/110 160 3.5±0.3 2±0.2 >85N 32000 2500 2000
CKJ3-7.2/250 7200 220/110 250 3.5±0.3 2±0.2 >85N 32000 2500 2000
CKJ3-7.2/400 7200 220/110 400 3.5±0.3 2±0.2 >85N 32000 2500 2000
CKJ3-7.2/630 7200 220/110 630 3.5±0.3 2±0.2 >85N 32000 2500 2000
Model Making capacity Breaking capacity Limit opening current(A) Overload Mechanism life Weight(kg)
CKJ3-7.2/160 10Ie,100times 8Ie,25times 10Ie 8Ie,10s 1million times 25.5
CKJ3-7.2/250 10Ie,100times 8Ie,25times 10Ie 8Ie,10s 1million times 25.5
CKJ3-7.2/400 10Ie,100times 8Ie,25times 10Ie 8Ie,10s 1million times 25.5
CKJ3-7.2/630 10Ie,100times 8Ie,25times 10Ie 8Ie,10s 1million times 25.5

Note: “Ie” represents the rated current of main circuit

Outline Drawing

cjk3 7.2kv vacuum contactor

 

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