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mv vacuum contactor

35kV MV Vacuum Contactor/Switch for Capacitor Case and Switchgear, VACZ6-160.250,400,630A/36(40.5)KV

VACZ6-36(40.5)kV
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minimum order:
1 piece
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1. General description
    VACZ6 series AC vacuum contactor is suitable for power system of AC tri-phase 50Hz, rated current 630 A and below, rated voltage 36kV and 40.5kV, for remotely making and breaking circuit, frequently starting and controlling AC motor. It also could be combined with fuse and protector to replace vacuum circuit breaker.
    The vacuum contactor complies with GB/T 14808,IEC 60470 and JB/T 7122 standard,the main performance indicators have reached the international level.

The Technical Specifications of this vacuum contactor define its electrical and mechanical parameters for AC motor control and capacitor switching applications in high-voltage power systems. This mv vacuum contactor is suitable for power systems of AC three-phase 50Hz with rated current up to 630A and rated voltage of 36kV and 40.5kV, designed for remotely making and breaking circuits, frequently starting and controlling AC motors. The 35kv vacuum contactor can also be combined with fuses and protectors to replace vacuum circuit breakers in certain applications. This vacuum contactor complies with GB/T 14808, IEC 60470, and JB/T 7122 standards, with main performance indicators reaching international levels. The mv vacuum contactor is available in rated currents of 160A, 250A, 400A, and 630A for both 36kV and 40.5kV voltage classes. This 35kv vacuum contactor offers making capacity of up to 6000A per 100 operations, rated breaking current of up to 5000A per 50 operations, and maximum breaking current of up to 6000A per 3 operations. Each vacuum contactor features power-frequency withstand voltage of 95kV, ensuring robust insulation performance. Proper installation of this mv vacuum contactor ensures reliable performance in switchgear and capacitor bank applications at 35kV class.

2. Main technical parameter

Item

Unit

Data

Main circuit rated voltage

kV

36(40.5)

36(40.5)

36(40.5)

36(40.5)

Main circuit rated current

A

160

250

400

630

Rated frequency

Hz

50

50

50

50

Power-frequency withstand voltage

kV

95

95

95

95

Rated making current

A/100times

1600

2500

4000

6000

Rated breaking current

A/50times

1280

2000

3200

5000

Maximum breaking current

A/3times

3000

4000

4500

6000

Opening time

ms

≤130

≤130

≤130

≤130

Closing time

ms

≤150

≤150

≤150

≤150

Clearance between open contacts

mm

15±1

15±1

15±1

15±1

Over travel

mm

≥1.5

≥1.5

≥1.5

≥1.5

Mechanical life

times

100,000

100,000

100,000

100,000

Electrical life

times

50,000

50,000

50,000

50,0

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