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Jcz5-7.2kv 250A Three Phase Mechanical Latching Vacuum Contactor for Motor Control
US$380.00-430.00
2 Pieces
Sample price:US$450.00/piece.Request sample
Product profile
Customization
AvailableElectricity Type
VacuumNumber of Pole
3Model NO.
JCZ5-7.2kV/ 250APhase
3Main Circuit Rating Voltage
High VoltageMain Circuit Rating Current
250AType
Ac ContactorsRated Current
160A / 250A / 400A / 630AControl Voltage
110V/220V/380VMechanical Life
2000000 TimesAuxiliary Switch
3K3bOperating Mechanism Type
Mechanical Latching / Electromagnet HoldingRated Frequency
50 Hz / 60 HzOEM
AcceptTransport Package
Carton and PalletSpecification
7.2kV 250ATrademark
LiyondOrigin
ChinaKey features
High Insulation Performance: Uses durable ceramic vacuum interrupters and flame-retardant epoxy housing to ensure stable arc quenching and zero flashover during heavy-duty electrical operations.
Reduced Maintenance Downtime: Advanced electromagnetic operating mechanism guarantees 300,000 mechanical operations, cutting overhaul requirements and operational costs in power plants.
500A High Current Rating: Efficiently controls high-voltage motors, transformers, and capacitor banks rated up to 7.2kV, handling frequent switching without contact welding or degradation.
Severe Environment Adaptability: Compact three-phase design functions reliably from -25C to +40C in mining, metallurgy, and industrial distribution cabinets without power loss.
Lower Power Consumption: Optimized coil holding mechanism reduces continuous operating power draw by 35% compared to conventional air contactors, lowering control cabinet heat buildup.
Company profile
CertifiedBusiness Type: Trading CompanyExport Year: 2011-04-07 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤2.91h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR
About Our Factory & Business Background
AddressRoom 1801, building 2, 3 and 4, headquarters economic Park, No. 6688, Xuyang Road, Chengdong street, Yueqing City, Zhejiang Province
Plant Area1100 square meters
Number of Employees18
Registered Capital5,000,000 RMB
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Main ProductsMedium and High Voltage Switchgear, Switchgear Accessories, Vacuum Vircuit Breaker, Vacuum Circuit Breaker Accessories, Earthing Switch, Load Break Switch, Auxiliary Switch, Conductive Parts, Insulation Parts
R&D Engineers2 people
Our Industry Experience & Global Business Record
Year of Establishment2011-04-07
Main MarketsNorth America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea)
Number of Foreign Trading Staff7
Overseas Agent/BranchNo
Our Certifications, Standards & Industry Recognition
Product CertificationCE
Product Q&A
Q:What is the main difference between a vacuum contactor and a circuit breaker?
A:
A vacuum contactor (like the JCZ5-7.2KV) is engineered for frequent operational switching (up to 300,000 cycles) under normal load conditions. Circuit breakers are designed primarily for fault protection (short circuits) with significantly lower operational cycles (typically 10,000 cycles).
Q:Can the JCZ5-7.2KV contactor be used with fuses for short-circuit protection?
A:
Yes. The JCZ5-7.2KV contactor is frequently combined with high-voltage current-limiting fuses (F-C combination units) to provide comprehensive load switching and high-breaking short-circuit protection.
Q:Which operating mode is recommended: Electromagnet Holding or Mechanical Latching?
A:
Electromagnet Holding is suitable for continuous operational environments where instant trip on power loss is preferred. Mechanical Latching is recommended for energy-saving setups where the unit remains engaged without continuous coil power.
Q:Does this model support installation above 2,000 meters altitude?
A:
Standard units are rated up to 2,000m. For higher altitudes, customized insulation components and increased creepage distances are available upon request.
Send Inquiry
*To:Yueqing Liyond Electric Co., Ltd.
*Content:
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