Rated peak withstand current 50, 63, 80, 100 kA12kv VMD2 Moulded Case Circuit Breaker

Rated peak withstand current? 50, 63, 80, 100 kA12kv VMD2 Moulded Case Circuit Breaker

Moulded Case Circuit Breaker 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.

VMD2?circuit?breaker?can?be?applied?to?control?and?protect?cable?, ?trolly?wire?, transformer, ?

generator?and?capacitor?bank?in?distribution?system

Safety

VMD2??circuit?breaker?possesses??perfect?mechanical?and?electric?interlock?equipment?, ?meanwhile?,

its?high?reliable?operating?performance?and?mechanical?life?, ?

coodinated?with?matched?switchgear?cabinet?, to?ensure?normal?power?distribution?, ?operator?and?equipment’s?safety.?

Technical?Parameters