Ningbo Macwey Industrial Technology Co.,Ltd
| Payment Terms | T/T |
| Supply Ability | 3000pcs |
| Delivery Time | 15 days |
| Packaging Details | wooden cases |
| Name | Three Pole Circuit Breaker |
| Rated Voltage | 12kV/24kV |
| Rated Current | 630A, 1250A, 1600A, 2000A, 2500A, 3150A |
| Short Circuit Breaking Current | 20kA, 25kA, 31.5kA, 40kA |
| Peak Short-Circuit Closing Current | 50kA (20kA level) to 100kA (40kA level) |
| Power Frequency Withstand Voltage | 42kV/1min |
| Brand Name | MacweyTek |
| Model Number | VMK-12/24KV |
| Certification | Type Test Report |
View Detail Information
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Product Specification
| Payment Terms | T/T | Supply Ability | 3000pcs |
| Delivery Time | 15 days | Packaging Details | wooden cases |
| Name | Three Pole Circuit Breaker | Rated Voltage | 12kV/24kV |
| Rated Current | 630A, 1250A, 1600A, 2000A, 2500A, 3150A | Short Circuit Breaking Current | 20kA, 25kA, 31.5kA, 40kA |
| Peak Short-Circuit Closing Current | 50kA (20kA level) to 100kA (40kA level) | Power Frequency Withstand Voltage | 42kV/1min |
| Brand Name | MacweyTek | Model Number | VMK-12/24KV |
| Certification | Type Test Report | ||
| High Light | 11kV Three Pole Circuit Breaker ，Three Pole Circuit Breaker 630A ，1250A Switchgear Vacuum Circuit Breaker | ||
1, Basic parameters
Rated value Voltage level: 12kV/24KV (three-phase AC 50Hz)
Rated current: 630A, 1250A, 1600A, 2000A, 2500A, 3150A
Short circuit breaking current: 20kA, 25kA, 31.5kA, 40kA
Peak short-circuit closing current: 50kA (20kA level) to 100kA (40kA level)
Insulation performance Power frequency withstand voltage: 42kV/1min
Lightning impulse withstand voltage: 75kV (peak)
2, Mechanical characteristics
Key dimensions
Contact opening distance: 11 ± 1mm
Contact stroke: 3.5 ± 0.5mm
Average opening speed: 1.1 ± 0.2m/s
Closing bounce time: ≤ 2ms (≤ 3ms@40kA )
Operational characteristics
Opening time: ≤ 50ms
Closing time: ≤ 100ms
Mechanical lifespan: 20000-30000 cycles
3, Structural characteristics
Integrated design
The operating mechanism is integrated with the circuit breaker body and supports fixed or handcart installation.
The arc extinguishing chamber adopts vacuum arc extinguishing technology and is encapsulated in an
epoxy resin insulation cylinder (APG process).
Institutional configuration
Energy storage motor: permanent magnet DC motor (AC/DC 110V/220V universal)
Energy storage time: ≤ 15 seconds
4, Usage conditions Environmental requirements
Temperature range: -15 ℃~+40 ℃ (storage and transportation can reach -30 ℃)
Altitude: ≤ 1000m (up to 4500m for plateau type)
Relative humidity: daily average ≤ 95%, monthly average ≤ 90%
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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