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ZN28A-12/ZN28-12 Type Indoor High Voltage Vacuum Circuit Breaker

12kV indoor vacuum circuit breaker

Additional information

Product Details:

ZN28A-12/ZN28-12 Type Indoor High Voltage Vacuum Circuit Breaker


General Introduction

ZN28-12 type indoor high voltage vacuum circuit breaker is high indoor switch equipment of three-phase AC 50Hz, rated voltage 12kV. The product conforms to the GB1984-89 standard, the product structure has two forms: the switch body and the actuator is mounted together or switch body and actuator installed separately. Integrated structure is ZN28-12 basic model; split structure is ZN28A-12 type, suitable for various kinds of fixed type switch cabinet, such as GG-1A (Z), XGNZ-10 (Z) etc..It can be equipped with CD17 type DC electromagnetic actuator and CT17, CT19 spring type operating mechanism.


Working Condition

1.The environment temperature: upper limit +40℃, lower limit -15℃

2.Altitude: ≤2000m

3.Relative humidity: daily average value is not greater than 95%, monthly average is not greater than 90%

4.Earthquake intensity: less than 8 degrees

5.No fire, explosion, pollution, chemical corrosion and severe vibration place


Model Meaning

ZN28 vacuum circuit breaker


Technical Specification

ZN28 12kV VCB


Outline Dimension


ZN28 Vacuum Circuit Breaker

close and opening test


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