Zw32-40.5kv 1250A Outdoor Vacuum Circuit Breaker 35kv Auto Recloser
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Product Highlights
- High Reliability: Mitigates momentary faults and reduces outages for improved power supply uptime.
- Vacuum Technology: Uses vacuum arc-extinguishing medium for superior performance and safety.
- Wide Application: Suitable for substations, industrial sites, rural grids, and frequent operation areas.
- Durable Design: Longer service life with resilience against harsh weather conditions.
- Comprehensive Protection: Features conventional breaking, failure protection, overcurrent, and overvoltage protection.
- Certified Quality: Certified by ISO9001-2000, CE, and CCC standards.
- Flexible Voltage: Rated voltage 40.5kV with options for 50/60Hz frequency.
- High Breaking Capacity: Rated short circuit breaking current up to 31.5kA and making current up to 80kA.
Product Attributes
- Customization
- Available
- Breaking Capacity
- High Voltage Circuit Breakers
- Operation
- Electric Type
- Model NO.
- ZW32-40.5
- Speed
- Normal Type Circuit Breaker
- Arc-extinguishing Medium
- Vacuum
- Installation
- Fixed
- Structure
- Vcb
- Poles Number
- 3
- Type
- Circuit Breaker
- Function
- Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
- Certification
- ISO9001-2000, CE, CCC
- Rated Frequency
- 50/60Hz
- Rated Voltage
- 40.5kv
- Rated Currrent
- 630-1250A
- Rated Short Circuit Breaking Current
- 25-31.5ka
- Rated Short Circuit Making Current
- 63-80ka
- Rated Operation Sequence
- O-60s-Co-180s-Co
- Mechanical Life
- 10000 Times
- Rated Peak Withstand Current
- 63-80ka
- Lightning Impulse Withstand Voltage
- 185kv
- 1min Power Frequency Withstand Voltage
- 80-95kv
- Mechanism Control Voltage
- AC/DC 2220V
- Transport Package
- Wooden Box Shipping
- Specification
- 1282*450*1350mm
- Trademark
- CNKC
- Origin
- China
- Production Capacity
- 2000PCS/Monthly
- Package Size
- 1500.00cm * 750.00cm * 1480.00cm
- Package Gross Weight
- 310.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Zw32-40.5kv 1250A Outdoor Vacuum Circuit Breaker 35kv Auto Recloser
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Product Description
Product Description
ZW32-40.5 model Outdoor high-voltage vacuum circuit breaker (hereinafter referred to as circuit breaker) is outdoor distribution equipment with rated voltage 35kV, 3 phase AC 50Hz. It is mainly used for breaking and making the load current and short-circuit current in power system, is applicable to the distribution system of substations and industrial & mining enterprises for protection and control, Rural power grid, and is further applicable to the sites with frequent power operation.
The installation instructions provided the main technical parameters and product structure of the circuit breaker, as well as operation, installation, use and maintenance of the principles and methods.
Model Description
Product technical parameters and external dimensions
Product structure features
1.Vacuum circuit breaker can greatly improve the reliability of overhead distribution networks by mitigating the impact of momentary faults.
2.Vacuum circuit breaker reduce outages from these transient sources, increasing uptime of power supply.
3.Utilities that deploy reclosers for their overhead distribution networks experience significant reliability improvements.
4.Longer product service life and more resilience to bad weather.
Product model selection

Environment condition
1. Ambient air temperature: -5~+40 and the average temperature should not exceed +35 in 24h.
2. Install and use indoors. Altitude above sea level for operation site should not exceed 2000M.
3. Relative humidity should not exceed 50% at max temperature +40. Higher relative humidity is allowed at lower temperature. Ex. 90% at +20. But in view of the temperature change, it is possible that moderate dews will produce casually.
4. Installation gradient not exceed 5.
5. Install in the places without fierce vibration and shock and the sites insufficient to erode the electrical components.
6. Any specific requirement, consult with manufactory.

Products real shot

A corner of the production workshop
Product packaging
Product application case

About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI233756". Items marked "" are certified.
Company Profile
Zhejiang Kangchuang Electric Co., Ltd. is located at Liushi, the "electrical capital" on the east coast of China. It has an airport, a wharf, a railway station, and a highway, with convenient transportation and a beautiful environment.
Zhejiang Kangchuang Electric Co., Ltd. is a high-tech enterprise integrating high and low voltage electrical development, design, manufacturing, sales and export. The factory covers an area of 11, 700 square meters and currently employs 670 people, including 8 scientific researchers, 17 electrical engineers, and 58 technicians. The technical force is strong. The company adheres to the policy of "quality first, customer first"; Adheres to the service tenet of "responsible to customers and satisfying customers"; Adheres to the principle of "integrity" as the business philosophy to serve customers.
The company mainly produces power equipment, photovoltaic systems, substation systems, electrical components, electrical accessories and other products below 220KV. The products are produced in strict compliance with IEC international standards, with mature craftsmanship and excellent quality. Products are exported to Europe, America, Africa and Southeast Asia, and are trusted by users.
About Our Factory & Business Background
- Address
- No. 5 Yongxing Road, Shangwuzhai Village, Liushi Town, Yueqing City, Wenzhou, Zhejiang, China
- Terms of Payment
- LC, T/T, PayPal
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, CIP
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2023-12-21
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the rated voltage of this circuit breaker?
- The rated voltage is 40.5kV, suitable for 3-phase AC 50Hz systems.
- Can the rated current be customized?
- Yes, the rated current is available in a range from 630A to 1250A.
- What is the mechanical life of the breaker?
- The mechanical life is guaranteed for 10,000 operations.
- Is this product suitable for outdoor installation?
- Yes, it is an outdoor high-voltage vacuum circuit breaker designed for outdoor use.
- What certifications does this product hold?
- The product holds ISO9001-2000, CE, and CCC certifications.
- What is the maximum altitude for operation?
- The operation site altitude should not exceed 2000 meters above sea level.
- What payment methods are accepted?
- Accepted payment terms include LC, T/T, and PayPal.
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