Ningbo Macwey Industrial Technology Co.,Ltd
| Payment Terms | T/T |
| Supply Ability | 5000 |
| Delivery Time | 15 days |
| Packaging Details | wooden cases |
| Name | VD4 Vacuum Circuit Breaker |
| Brand Name | MacweyTek |
| Model Number | VMK-24KV |
| Certification | ISO9001-2008 |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | T/T | Supply Ability | 5000 |
| Delivery Time | 15 days | Packaging Details | wooden cases |
| Name | VD4 Vacuum Circuit Breaker | Brand Name | MacweyTek |
| Model Number | VMK-24KV | Certification | ISO9001-2008 |
| Place of Origin | China | ||
| High Light | VD4 MV Circuit Breaker ，1250A 3 Pole Circuit Breakers ，3 Pole Circuit Breakers Indoor | ||
VCB Vacuum Circuit Breaker Indoor 10kV 12kV 24kV VD4 630A 1250A 3 Poles
High And Medium Voltage Vacuum Circuit Breakers
Product introduction
The VMK 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 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
MAC 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,etc.
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 the 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. MAC circuit breakers can be applied to control and protect cable , trolley wire,transformer,
generator and capacitor bank in distribution system
Safety
MAC circuit breaker possesses perfect mechanical and electric interlock equipment , meanwhile ,its high reliable operating
performance and mechanical life , coordinated with matched switchgear cabinet ,to ensure normal power distribution , operator
and equipment’s safety.
Technical Parameters
| Item | Unit | |
| Rated voltage | KV | 24 |
| 1 min power frequency withstand voltage | KV | 65 |
| Lightning impulse withstand voltage | KV | 125 |
| Rated frequency | Hz | 50 |
| Rated current | A | 630, 1250, 1600, 2000, 2500 |
| Rated short-time withstand current | KA | 20, 25, 31.5 |
| Rated withstand current(peak) | KA | 50, 63, 80 |
| Rated short-circuit opening current | KA | 20, 25, 31.5 |
| Rated short-circuit closing current | KA | 50, 63, 80 |
| Rated duration of short-circuit | S | 4 |
| Opening time | ms | ≤60 |
| Closing time | ms | ≤45 |
| Rated operating sequence | ||
| Mechanical life | cycles | 10000 |
Outline Dimensions
24kv circuit breaker / embedded pole styled / 210mm pole distance
24kv circuit breaker / embedded pole styled / 275mm pole distance
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2013
Total Annual:
$31000000-$35000000
Employee Number:
>218
Ecer Certification：
Verified Supplier
Ningbo Macwey Industrial Technology Co., Ltd. is a manufacturer specializes in R&D ,manufacturing and sales of MV&HV switching equipment and electrical accessories,which applied in voltage range from 10kV to 40.5kV, widely used in power transmission and distribution.The company is lo... Ningbo Macwey Industrial Technology Co., Ltd. is a manufacturer specializes in R&D ,manufacturing and sales of MV&HV switching equipment and electrical accessories,which applied in voltage range from 10kV to 40.5kV, widely used in power transmission and distribution.The company is lo...
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