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OEM IEC62271 - 100, IEC56, DL403, GB1984, GB / T 11022 -1999 12kv VMD2 MV VCB for Subway
Summary
The VMD2 series indoor circuit-breaker is our independent developed new generation 12 kv vacuuum circuit breaker.
Its main characters as follows: the conductance circuit is installed in an three-phase insulating sleeve ,
its mechanism and conductance circuit adopts front and rear layout.
And the mechanism is our deveoped new design, with simple construction, reliable operation,
and rich manufacturing experiences of million sets ,
used and learned by many high-end vacuum circuit breaker manufacturers.
Technical standard
All the technical parameters of breaker completely satisfy the Standards Of GB1984
AC Highvoltage Breaker,
GB/T 11022 -1999 Common Specifications For High-Voltage Switchgear And Controlgear Standards,
China Power Sector Standards DL403.
Also meet the requirements of IEC62271-100, IEC56 and other main industrialized country’s similar standards
Testing
VMD2 series circuit breaker have passed has passed following
test , to ensure the product’s safe Operation.
Type tests : power-frequency withstand voltage tests , lighting impact withstand voltage tests, ,
temperature rising tests, short-time withstand current tests , peak withstand current tests ,
short circuit breaking ability tests , mechanical lift tests, ect
Routine test before out of factory: mechanical performance test , power-frequency withstand voltage tests of the main circuit ,
insulating property tests on control and auxiliary circuits ,
measurement of ther resistance of the main circuit ,
interlock operating tests , mechanical operating tests, Electrical Equipment operating tests.
Scope of application
It is universally used in power plant , electric network , metallurgy industry petrochemical industry and infrastructures,
such as airport , subway, building.
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