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ZW20A-12/24 Outdoor AC Vacuum Circuit Breaker

ZW20A-12/24 Outdoor AC Vacuum Circuit Breaker
ZW20A-12/24 Outdoor AC Vacuum Circuit Breaker ZW20A-12/24 Outdoor AC Vacuum Circuit Breaker ZW20A-12/24 Outdoor AC Vacuum Circuit Breaker

PRODUCT DESCRIPTION

ZW20A-12/24 model outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short-circuit current in 12/24KV, 50/60Hz power system. It’s 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 standards of IEC62271-100& GB1984 AC high voltage circuit breaker, GB/T 11022 HV General technical requirement of switch and control apparatus.

AMBIENT CONDITION

1. Altitude: ≤1000mm;

2. Ambient temperature:-40℃~+40℃;

3. Wind speed: ≤34m/s;

4. Applicable occasions should free from inflammables, explosives, corrosives.

MODEL

PRODUCT FEATURE

  1. Ideal apparatus in urban and rural electricity network reform

       Remote function: remote control, remote metering, remote communication and remote adjustment.

  1. Flexible operating

       Both power storage and CO operation are motor and manual operated, remote and local operation are both available.

  1. Excellent breaking capability

       Break short-circuit current 25kA up to 30 times.

  1. Small operation power and high dependability

       The small motor-driving spring operation mechanism with new design is of lowest operation power (about 30W).

  1. Multiple installation

       Pole mounted and pad mounted.

  1. Reliable sealing

       The mature sealing technology assures reliable sealing performance.

  1. Particular incoming and outgoing method

       Silicon rubber bushing to make enough insulate distance.

  1. Safe operation

       Anti-explosive device mounted on the top of box prevents heated gas and maters from spattering out when inner fault occurs.

Technical Specification

No.

Item

Unit

Data

1

Rated voltage

kV

12/24

2

Rated power frequency

Hz

50

3

Rated current

A

630, 1000

4

Rated short-circuit breaking current

kA

12.5, 16, 20, 25

5

Rated withstand current(peak)

kA

31.5, 40, 50, 63

6

Rated short-time withstand current (4s)

kA

12.5, 16, 20, 25

7

Rated short-circuit making current(peak)

kA

31.5, 40, 50, 63

8

Mechanical life

Times

10000

9

Rated short-circuit breaking time

Times

30

10

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

kV

42/49/60

11

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

kV

75/85/125

12

P.F withstand voltage for secondary loop

kV

2

13

Net weight

kg

140

14

SF6 rated gage pressure

Mpa

“0”

Note: the insulating level should rectify accordingly when the altitude higher than 1000 m.

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