Ningbo Macwey Industrial Technology Co.,Ltd
| Payment Terms | T/T |
| Supply Ability | 5000 pcs |
| Delivery Time | 15 days |
| Packaging Details | wooden case |
| Name | MV Circuit Breaker |
| Rated voltage | 17.5KV |
| Rated frequency | 50Hz |
| Rated current | 630, 1250, 1600A |
| Rated short-time withstand current | 20, 25, 31.5KA |
| Rated withstand current | 50, 63, 80KA |
| Brand Name | MacweyTek |
| Model Number | VMK-17.5 |
| Certification | With Type Test Report |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 5000 pcs |
| Delivery Time | 15 days | Packaging Details | wooden case |
| Name | MV Circuit Breaker | Rated voltage | 17.5KV |
| Rated frequency | 50Hz | Rated current | 630, 1250, 1600A |
| Rated short-time withstand current | 20, 25, 31.5KA | Rated withstand current | 50, 63, 80KA |
| Brand Name | MacweyTek | Model Number | VMK-17.5 |
| Certification | With Type Test Report | Place of Origin | China |
| High Light | 17.5kV MV Circuit Breaker ，20kA 3 Phase Circuit Breaker ，31.5kA 3 Phase Circuit Breaker | ||
Vacuum High Voltage Circuit Breaker 17.5kV Outdoor Vacuum Circuit Breaker
20/25/31.5kA Indoor Vacuum Circuit Breaker
Product introduction
The MAC series indoor circuit-breaker is our independent developed new generation 17.5 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.
| Item | Unit | Data |
| Rated voltag | KV | 17.5 |
| 1 min power frequency withstand voltage | KV | 50 |
| Lightning impulse withstand voltage | KV | 95 |
| Rated frequency | Hz | 50 |
| Rated current | A | 630, 1250, 1600 |
| 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 |
| Rated operating sequence | O-0.3s-CO-180s-CO | |
| Mechanical life | times | 10000, 30000 |
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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