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Type: Vacuum
Model Number: HVD7-40.5
Brand Name: Jucro
Place of Origin: China (Mainland)
Rated voltage: 40.5KV

Specifications

1. Introduction

HVD7 40.5 kv outdoor HV AC vacuum circuit breaker VCB has many visual advantages like reasonable design, fashionable appearance, high safety and reliability, simple maintenance, long electric life. It is the ideal upgraded products of 35KV outdoor oil circuit breakers.

HVD7-40.5 vacuum circuit breaker is applicable for three-phase power system of AC 50HZ.It is used to make and break the load current ,overload current and short-circuit current.

 

2. Applicable environment

3.1The ambient temperature should be-30~ +40(-40in the frosty area);

3.2Altitude should not exceed2000m(over2000mis plateau type);

3.3The wind pressure should not exceed 700Pa(equal to wind speed34m/s);

3.4Air pollution degree: ,that of antifouling type:;

3.5The installation site should be free from the fire, explosion, chemical corrosion and serious vibration.

 

 

1.       Main technical parameters

No.

Item

Unit

Date

1

Rated voltage

KV

40.5

2

Rated insulation

level

1min power frequency

withstand voltage

Dry test

KV

95

Wet test

80

Lightning impulse withstand voltage(peak value)

185

3

Rated current

A

1600

2000

4

Rated short-circuit breaking current

KA

20

25

31.5

5

Rated short-circuit making current(peak)

KA

50

63

80

6

Rated operating sequence

 

O-0.3s-CO-180s-CO

7

Rated short-time withstand current

KA

20

25

31.5

8

Rated peak withstand current

KA

50

63

80

9

Rated short-circuit duration

S

4

10

Rated control voltage

V

AC220,110;DC220,110

11

Rated short-circuit breaking current break times

Times

20

12

Full-break time

ms

≤80

13

Mechanical life

Times

10000