Powered by Made-in-China.com
High-Quality 27.5kv and 33kv Single-Phase Vacuum Circuit Breakers
US$1,800.00
1 Piece
Product specifications
volume
Product profile
Customization
AvailableBreaking Capacity
High Voltage Circuit BreakersOperation
Energy-storage TypeSpeed
Normal Type Circuit BreakerArc-extinguishing Medium
VacuumInstallation
FixedStructure
ACBPoles Number
1Type
Circuit BreakerFunction
Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)Certification
ISO9001-2000Rated Current
630-2500ARated Voltage
35kvRated Short Circuit Breaking Current
20-31.5kaRated Frequency
50HzRated Lightning Impulse Withstand Voltag
185kvMechanical Life
10000timeTransport Package
Wooden BoxSpecification
115X61X215cmTrademark
CAKADQOrigin
Wenzhou, ZhejiangKey features
Vacuum Arc-Extinguishing: Utilizes vacuum medium for superior arc extinguishing and frequent operation capability.
High Breaking Capacity: Rated short circuit breaking current up to 31.5kA for robust protection.
Long Mechanical Life: Designed for 10,000 mechanical operations ensuring long-term reliability.
Flexible Customization: Offers full customization, minor customization, and customization from samples or designs.
ISO9001 Certified: Manufacturing process certified under ISO9001:2015 quality management standards.
Comprehensive Protection: Provides circuit-breaker failure protection, overcurrent protection, and overvoltage protection.
Cost-Effective Manufacturing: In-house manufacturing of over 70% of components ensures significant price advantage.
17 Years Experience: Company has 17 years of manufacturing experience in high-voltage equipment.
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: 17 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤0.97h
AI-Powered supplier vetting
SummaryThe supplier operates in R&D, manufacturing, processing, and sales of high- and low-voltage distribution switchgear, power equipment, automation-control equipment, power electronic components, wires, and cables. It reports strong customization, OEM/ODM, SDK availability, written inspection procedures, and one month of stated lead time in both peak and off-season. However, evidence also shows no overseas warehouses, showrooms, agents, branches, or offline trade-show participation; no new products were reported in the past year; and several service-control procedures lack written records. Production is supported by two production lines and advanced equipment, but continuous quantity reconciliation is not performed. Export experience is stated as 17 years, while export-market presence is recorded as zero.
Supplier typeThe supplier is an industrial electrical-equipment manufacturer and service provider covering R&D, manufacturing, processing, and sales of switchgear, power equipment, automation-control equipment, power electronics, wires, and cables. Its description also references lean production, intelligent manufacturing, and advanced CNC and laser-cutting equipment.
After-Sales capabilityThe supplier has written procedures for service assessment, corrective and preventive actions, and customer complaints, but reports no written records for these processes. It also has no overseas warehouse, showroom, overseas agent or branch, and no offline trade-show participation; therefore, documented service execution and overseas support coverage are limited in the provided evidence.
R&D capabilityThe supplier reports strong R&D capability, available SDK support, OEM service for popular brands, ODM service, and broad design customization. However, it also states that no new products were developed in the past year, which is a specific limitation on recent product innovation.
Production capacityProduction capability is supported by two production lines, advanced CNC punching and laser-cutting equipment, stated lead times of one month in both peak and off-season, and 12 qualified suppliers for service capability. A weakness is that the factory does not continuously reconcile quantities for every batch or mass-production run.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, while also providing ODM services. Finished-product inspection is governed by instructions that are stated to be uniformly followed.
Product Q&A
Q:Is your company a production company or a trading company?
A:
We are a company integrating R&D, manufacturing and after-sales. We have 17 years of manufacturing experience.
Q:What is the typical warranty period for your company's products?
A:
Under normal use, the warranty is generally for 2 years.
Q:If I order products from your company, how should I pay?
A:
For standard products, a 30% prepayment is required; for non-standard products, a 50% prepayment is required. The remaining balance is due before shipment.
Q:Does your company's product have a sufficient price advantage?
A:
Our company manufactures over 70% of the components for our products, from raw materials to finished products. Our profit margin is generally only around 10%, giving us a significant price advantage.
Q:What transportation methods does your company typically use to ship its products?
A:
Shipments can be delivered by land or sea.
Send Inquiry
*To:
Zhejiang Changkai Electric Power Technology Co., LTD
Zhejiang Changkai Electric Power Technology Co., LTD*Content:
Supplier replies will be sent to your registered email
You may also like
Single Phase Ceramic Circuit Breaker for Household and Small Commercial Electrical Circuits
US$500.00-3,500.00
1 Piece(MOQ)
Zw32 High-Voltage Three Phase Vacuum Circuit Breaker 33kv 630A-1250A 20ka-40ka Breaking Capacity 50/60Hz
US$900.00-3,000.00
1 Piece(MOQ)
CNC High Quality 1p Electric Mini Circuit Breaker Single Phase MCB Circuit Breaker
US$0.62-2.41
200 Sets(MOQ)
High Quality Guaranteed 30kv 33kv 36kv 40.5kv 1250A Vacuum Circuit Breaker
US$900.00-3,000.00
1 Piece(MOQ)
Factory Direct Selling Auto Reclosing 33kv 11kv Siemens Vacuum Circuit Breaker with Cheap Prices
US$900.00-3,000.00
1 Piece(MOQ)
High Quality Three-Phase AC Outdoor High Voltage Vacuum Circuit Breaker
US$500.00-800.00
2 Pieces(MOQ)
Customized Factory Outlet High Quality High Voltage Three-Phase Vacuum Circuit Breaker
US$1,500.00-2,000.00
1 Piece(MOQ)
Outdoor 33kv Three Phase Vacuum Circuit Breaker
US$1,200.00-5,000.00
1 Piece(MOQ)
High Quality Outdoor High Voltage Three-Phase AC Vacuum Circuit Breaker Switch 40.5kv
US$500.00-2,000.00
1 Piece(MOQ)
Automatic Single-Phase Ground Fault Cutting off Vacuum Circuit Breaker Zw32-12f
US$600.00-1,200.00
1 Piece(MOQ)
High Quality Outdoor Zw50-40.5 Three-Phase AC High Voltage Vacuum Circuit Breaker
US$2,000.00-4,999.00
1 Piece(MOQ)
High Quality Indoor High Voltage 40.5kv AC Vacuum Circuit Breaker for Mines and Railways
US$4,800.00-4,900.00
1 Piece(MOQ)
Outdoor 40.5kv 36kv 33kv Vacuum Circuit Breaker 35 Kv Outdoor High Voltage Vacuum Circuit Breaker
US$900.00-3,000.00
1 Piece(MOQ)
High Quality Indoor Vacuum Circuit Breaker for Safety and Efficiency
US$500.00
1 Piece(MOQ)
Zw32-12 Outdoor Three-Phase Circuit Breaker 12kv Medium and High Voltage Vacuum Circuit Breaker
US$300.00-600.00
1 Piece(MOQ)
15kv Single Phase Earthing Protection Vacuum Circuit Breaker
US$620.00-2,200.00
1 Piece(MOQ)



















