24 kV 50 kA VMD4 Moulded Case Circuit Breaker For Power System 12kv Switchgear

24 kV 50 kA VMD4 Moulded Case Circuit Breaker For Power System 12kv Switchgear

The?VMD4?series?indoor?circuit-breaker?is?our?independent?developed?new?generation?24?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?thousands?sets?, ?

used?and?studied?by?many?high-end?vacuum?circuit?breaker?manufacturers.

Circuit?Breaker’s?Overall?Structure

Spring?drive?mechanism?and?circuit?breaker?main?parts?adopt?integration?design, ?

primary?conductance?circuit?and?mechanism?adopt?front?and?rear?layout, ?

conductance?circuit?locates?behind?of?circuit?break, ?driving?mechanism?is?front?of?circuit?breaker, ?

handcart?pushing.?Mechanism?is?under?circuit?breaker, ?and?possess?compact?construction?and?small?size.

VMD4?series?indoor?VCB’s?spring?drive?mechanism??is?plane?layout, ?

holding?hand?energy?storing?and?motor?energy?storing?function, ?compact?outside?size, ?good?overall?rigidity, ?reliable?operation.?

VMD4?series?indoor?VCB’s?drive?mechanism?is?the?extension?version?on?matured?12kv?VMD?series?drive?mechanism, ?

to?assure?circuit?breaker?whole?machine’s?reliability?and?stability.

Moulded Case Circuit Breaker Technical?standards

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

Scope?of?application

It?is?universally?used?in?power?plant?, ?electric?network?, ?metallurgy?industry?petrochemical?industry?and?infrastructures,

such?as?airport?, ?subway, ?building.

VMD4?circuit?breaker?can?be?applied?to?control?and?protect?cable?, ?

trolly?wire?, transformer, ?generator?and?capacitor?bank?in?distribution?system.?.

Moulded Case Circuit Breaker Technical?Parameter