Big discounting Physical Therapy Equipment - Vacuum Chamber ZKTJ-630/1.14 – Guoguang Electric

No.

MAIN TECHNICAL DATA

Unit

1

Rated Voltage

kV

1.14

2

Lightning Impulse Withstand Voltage (Peak)

kV

3

Short-time (1min) Power-frequency Withstand Voltage

kV

5

4

Rated Frequency

Hz

50/60

5

Rated Current

A

630

6

Rated Short-time Withstand Current

kA

8

7

Rated duration of Short-circuit

s

1

8

Rated Breaking Current

A

6300

9

Limiting Breaking Current

kA

6.3

10

Rated Making Current

kA

7.56

11

Rated Operating Frequency

AC-3

Operations/h

AC-4

12

Short-time Operating Frequency

Operations/h

3000

13

Utilization Category

AC

14

Electrical Endurance

AC-3

Operations

3*10⁶

AC-4

6*10⁴

15

Mechanical Endurance

Operations

5*10⁶

16

Clearance Between Open Contacts

mm

1.2~1.5

17

Contact Closing Force Due to Bellows and Atmosphere

N

105~140

18

Counter force of Contacts at Full Stroke

N

120~160

19

Circuit Resistance at Min. Rated Contact Force

μΩ

20

Contact Limit Erosion

mm

1

21

Mass of Moving Parts

kg

0.6

22

Internal Gas Pressure

Pa

<=1.33*10^-3

23

Shelf Life

Year

10