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ZW43-12 Outdoor AC Vacuum Circuit Breaker

ZW43-12 Outdoor AC Vacuum Circuit Breaker
ZW43-12 Outdoor AC Vacuum Circuit Breaker ZW43-12 Outdoor AC Vacuum Circuit Breaker ZW43-12 Outdoor AC Vacuum Circuit Breaker ZW43-12 Outdoor AC Vacuum Circuit Breaker ZW43-12 Outdoor AC Vacuum Circuit Breaker ZW43-12 Outdoor AC Vacuum Circuit Breaker

PRODUCT DESCRIPTION

ZW43-12 model outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short-circuit current in12kV,50/60Hz power system. Its applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with frequent operation and automatic power distribution network. It accords with the standard of IEC62271-100& GB1984AC high voltage circuit breaker, GB/T 11022 HV general technical requirement of switch and control apparatus.

AMBIENT CONDITION

1. Altitude: ≤2000mm;

2. Ambient temperature:-40℃~+45℃;

3. Earthquake intensity: ≤8 degree;

4. Ice thickness:10mm;

5. Wind speed: ≤34m/s (air pressure≤700Pa).

MODEL

PRODUCT FEATURE

  1. Mini vacuum arc extinguish

       High reliability; small volume; long life time; fixed inside the epoxide resin.

  1. Epoxide resin sealing

       Anti-ozone, anti-ultraviolet; It is firm, light and convenience for transport.

  1. Permanent magnet mechanism

       Small volume, reliable performance, non-maintenance.

  1. Manual breaking

       Improve the reliability, It can operate under the urgent condition.

  1. Direction tester

       It mounted on the linkage axial to check the opening and closing direction.

  1. Switch case

       Aluminium-alloy material, anti-rust steel and armor plate.

MECHANICAL SPECIFICATION

No.

Item

Unit

Data

1

Rated voltage

Kv

12

2

Rated frequency

Hz

50/60

3

Rated current

A

630

4

Rated short-circuit breaking current

kA

20

5

Rated peak withstand current(peak)

kA

50

6

4s rated short-time withstand current

kA

20

7

Rated short-circuit making current(peak)

kA

50

8

Mechanical duration

Times

30000

9

Breaking time of rated short-circuit breaking current

Times

30

10

1min P.F withstand voltage-dry (phase to phase, to earth; across open contacts)

kV

42/49

11

1min P.F withstand voltage-wet

kV

34

12

Lightning impulse withstand voltage peak (phase to phase, to earth; across open contacts)

kV

75/85

13

Net weight

kg

70

14

Abrasions thickness of contacts

mm

3

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WhatsApp
8613757784972
Email
sales@chhp.cc
Phone
0086-577-61810866
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