High Voltage Side-mounted 630A 1250A Indoor VCB Vacuum Circuit Breaker
High Voltage Side-mounted 630A 1250A Indoor VCB Vacuum Circuit Breaker
High Voltage Side-mounted 630A 1250A Indoor VCB Vacuum Circuit Breaker
High Voltage Side-mounted 630A 1250A Indoor VCB Vacuum Circuit Breaker
High Voltage Side-mounted 630A 1250A Indoor VCB Vacuum Circuit Breaker
High Voltage Side-mounted 630A 1250A Indoor VCB Vacuum Circuit Breaker

High Voltage Side-mounted 630A 1250A Indoor VCB Vacuum Circuit Breaker

HLVP-12 series side-mounted vacuum circuit breaker is a indoor high voltage switchgear.It applies to a three phase power system under rated voltage 12KV and rated frequency 50Hz as a protective and control appliance.Because of the special superiority of vacuum circuit breaker,it is especially suitable for a site needs frequent operation or cut-off short circuit current many times under a rated current.

Feature

Protection and Control in Three-Phase Power Systems with Rated Voltage 12 Kv and Frequency 50 Hz Electrical Appliances, Due To The Special Advantages of Vacuum Circuit Breakers

Especially Suitable for Frequent Operation Under Rated Operating Current, or Repeatedly Break Short-Circuit Current Places

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Product Introduction

Product view

 

HLVP-12 sealed vacuum circuit breaker

High voltage switchgear for protection and control in three-phase power systems with rated voltage 12 KV and frequency 50 Hz Electrical appliances, due to the special advantages of vacuum circuit breakers. especially suitable for frequent operation under rated operating current, or repeatedly break short-circuit current places.

 

Operation of HLVP-12 sealed vacuum circuit breaker

The integrated design of the moving mechanism and the circuit breaker body can be used as a fixed installation unit or a special propulsion mechanism to form a handcart unit.

 

 

Technical Parameters

 

No

Item

Units

Technical parameters

1

Rated voltage

Kv

12

2

Maximum working voltage

Kv

12

3

Rated current

A

630/1250

630/1250

630/1250/1600

4

Rated short-circuit breaking current

Ka

20

25

31.5

5

Rated short circuit closing current

Ka

50

63

80

6

Rated peak withstand current

Ka

50

63

80

7

4s rated short circuit withstand current

Ka

20

25

31.5

8

Rated insulation level

Power frequency withstand voltage (before and after rated breaking)

Kv

42(fracture:48)

Impact withstand voltage (before and after rated breaking)

9

Rated operation sequence

 

75(fracture:84)

10

Mechanical life

Times

0-0.3s-co-180s-co

11

Rated short circuit current breaking times

Times

10000

12

Operating mechanism rated closing voltage (dc)

V

50

13

Operating mechanism rated trip current (dc)

V

110,220

14

Contact stroke

Mm

110,200

15

Overtravel (contact spring compression length)

Mm

11±1

16

Three-phase split and close bounce time

Ms

3.5±0.5

17

Contact closing bounce time

Ms

≤2

18

Average opening speed

M/s

≤2

19

Average closing speed

M/s

1.2±0.2

20

Opening time

At the highest operating voltage

S

0.6±0.2

At the lowest operating voltage

21

Closing time

S

≤0.05

22

Main loop resistance of each phase

Μω

≤0.08

23

Dynamic and static contacts allow wear cumulative thickness

Mm

0.1

 

 

Our factory

 

 

 

 

Certificate

 

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