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40.5kv 50 or 60Hz Rated Frequency Electrical Vacuum Circuit Breaker
US$1,500.00-2,000.00
1 Piece
Sample price:US$2000.00/piece.Request sample
Product profile
Customization
AvailableBreaking Capacity
High Voltage Circuit BreakersOperation
Electric TypeModel NO.
ZW7-40.5Speed
Normal Type Circuit BreakerArc-extinguishing Medium
VacuumInstallation
FixedStructure
VcbPoles Number
3Type
Circuit BreakerFunction
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)Certification
ISO9001-2000Rated Voltage
36kvInstallation Method
WithdrawableMaterial
Steel, Epoxy ResinRated Current
630A/1250ARated Frequency
50/60HzModel No.
Zw7-40.5Brand Name
ShengsuCustomize
YesSize
MediumWeight
800kgWind Speed
≤34m/SAnti-Pollution Grade
Class IIIAmbient Temperature
-30-40Altitude
≤1000mMechanical Life
10000timesTransport Package
Wooden CaseSpecification
pcsTrademark
SHENGSU ELECTRIC CO., LTDOrigin
ChinaKey features
High Breaking Capacity: Vacuum arc extinguishing with strong breaking capacity up to 31.5kA.
Long Mechanical Life: Designed for 10,000 mechanical operations with reliable performance.
Maintenance-Free Design: Simple structure requiring minimal maintenance and long service periods.
Advanced Protection Features: Built-in CT with 0.2 precision for three-phase interactive protection.
Condensation Control: Equipped with condensation controller for reliable operation in humidity.
Flexible Operating Mechanism: Supports spring or electromagnetic mechanisms for frequent operation.
High Anti-Pollution Grade: Class III anti-pollution grade ensures safety in harsh environments.
Full Customization Options: Offers full customization, minor customization, and flexible options.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: N/A CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤6.99h
AI-Powered supplier vetting
SummaryThe supplier operates across refrigeration, kitchen, electromechanical, water purification, and vacuum circuit-breaker equipment, with import and export activities. It provides OEM services for well-known brands and supports broad customization, including customization from samples and designs. Quality and management systems are supported by ISO9001:2015, ISO45001:2018, and ISO14001 certifications. Technical engineers provide customer-request confirmation, production support, and after-sales service, with documented R&D and service procedures. The supplier has inventory capability, valid manufacturing contracts with related subcontractors, and stated one-month lead times in both peak and off-season periods. Limitations include no available SDK, no overseas warehouse or showroom, no new products launched in the last year, only two R&D engineers, and no reported cooperation with Fortune 500 companies. Financial records are indicated for the last three years, but the provided information does not include...
Supplier typeThe supplier is an equipment manufacturer and exporter covering refrigeration, kitchen, electromechanical, water purification, and vacuum circuit-breaker products. It has self-operated import and export rights and derives 41%–50% of total sales from exports, indicating an internationally oriented manufacturing supplier.
CertificationsThe supplier holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications. These explicitly support its quality, occupational health and safety, and environmental management systems.
After-Sales capabilityTechnology engineers are responsible for technical support during production and after-sales service. The supplier also has documented and followed procedures for corrective and preventive actions and customer complaints, with stated quality assurance in its control processes.
R&D capabilityThe supplier has two R&D engineers, uses CAD, and maintains design input, output, review, verification, and validation documents available for audit. However, it has no available SDK and launched no new products in the last year, so the evidence shows basic documented R&D capability but also clear limitations in recent product innovation and software-development support.
Production capacityThe supplier has standardized finished-product inspection instructions, inventory capability, valid manufacturing contracts with each related subcontractor, and written supplier-service assessment procedures with records. Reported average lead time is one month in both peak and off-season periods, supporting an established production and fulfillment process.
Customization capabilityThe supplier offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its engineers also confirm customer requests and provide technical support, indicating broad product adaptation capability.
Product Q&A
Q:What is the rated voltage of this circuit breaker?
A:
The rated voltage is 40.5kV.
Q:What is the mechanical life of the vacuum circuit breaker?
A:
It has a mechanical life of 10,000 operations.
Q:Is customization available for this product?
A:
Yes, we offer full customization, minor customization, and flexible customization options.
Q:What are the available rated currents?
A:
Rated currents include 1250A, 1600A, and 2000A.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 piece.
Send Inquiry
*To:
Shengsu Electric Co., Ltd.
Shengsu Electric Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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