40.5kv Outdoor Vacuum Circuit Breaker Zw32-40.5 Pole Mounted Auto Recloser
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Product Highlights
- Solid-Embedded Pole Design: Encapsulates vacuum interrupter in hydrophobic epoxy resin to resist UV, moisture, and heavy pollution without SF6 gas leak risks.
- Smart Grid Reclosing Control: Integrates with outdoor FTUs via IEC 60870-5-104/DNP3.0 protocols to clear transient overhead line faults and automate power recovery.
- 31.5kA Breaking Capacity: Delivers 10,000 mechanical operations and 4s short-time withstand current duration for high-duty 33kV/35kV/40.5kV substations.
- Versatile Pole Mounting: Features IP65 weather-proof enclosure and optional disconnector for reliable operation in harsh overhead line distribution networks.
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
- Auto Recloser
- Poles Number
- 3
- Type
- Circuit Breaker
- Function
- Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
- Certification
- ISO9001-2000
- Rated Current
- 630A / 1250A
- Arc-Extinguishing
- Vacuum
- Rated Short-Circuit Breaking Current
- 20ka / 25ka / 31.5ka
- Insulation Type
- Solid Encapsulated Pole (Silicone Rubber / Epoxy R
- Rated Frequency
- 50Hz / 60Hz
- Mechanical Life
- 20000 Times
- Insulation Medium
- Solid Insulation (Solid-Embedded Pole / APG Silico
- Operation Type
- Spring Operating Mechanism (Manual / Electric)
- Standard Compliance
- IEC 62271-100, IEC 62271-111
- Application
- 33kv/35kv/40.5kv Overhead Distribution Networks &
- OEM
- Accept
- Transport Package
- Standard Export Packaging
- Specification
- 40.5kV
- Trademark
- Liyond
- Origin
- China
- Package Size
- 120.00cm * 110.00cm * 100.00cm
- Package Gross Weight
- 170.000kg
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 40.5kv Outdoor Vacuum Circuit Breaker Zw32-40.5 Pole Mounted Auto Recloser
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40.5kv Outdoor Vacuum Circuit Breaker Zw32-40.5 Pole Mounted Auto Recloser -
40.5kv Outdoor Vacuum Circuit Breaker Zw32-40.5 Pole Mounted Auto Recloser -
40.5kv Outdoor Vacuum Circuit Breaker Zw32-40.5 Pole Mounted Auto Recloser -
40.5kv Outdoor Vacuum Circuit Breaker Zw32-40.5 Pole Mounted Auto Recloser -
40.5kv Outdoor Vacuum Circuit Breaker Zw32-40.5 Pole Mounted Auto Recloser -
40.5kv Outdoor Vacuum Circuit Breaker Zw32-40.5 Pole Mounted Auto Recloser -
40.5kv Outdoor Vacuum Circuit Breaker Zw32-40.5 Pole Mounted Auto Recloser
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Product Description
ZW32-40.5 Outdoor pole-mounted vacuum circuit breaker automatic recloserZW32-40.5 outdoor high-voltage vacuum circuit breaker (pole-mounted auto recloser) is designed for 33kV, 35kV, and 40.5kV outdoor overhead distribution systems. Equipped with solid-embedded poles and an integrated spring operating mechanism, it performs load current breaking, overload protection, and short-circuit fault isolation. When integrated with smart recloser controllers or FTUs, it enables distribution automation and automatic fault clearance for overhead lines.
Core Key Features & Specifications
-
Solid-Embedded Insulation Technology: Features solid APG epoxy resin or silicone rubber embedded poles housing the vacuum interrupter, providing high UV resistance, weatherproofing, and eliminating oil/SF6 gas requirements.
-
Spring Operating Mechanism: Configured with an integrated spring operating mechanism supporting both AC/DC electric charging and manual operation for reliable mechanical durability.
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Flexible Mounting Options: Designed for overhead distribution line pole mounting or station steel frame installation, with optional integrated disconnector (ZW32-40.5G) for visible isolation gap safety during maintenance.
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Smart Distribution Automation Ready: Built-in current transformers (CTs) integrate directly with external recloser controllers or FTUs to support multi-shot auto-reclosing sequences (O-0.3s-CO-180s-CO).
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Robust Enclosure: Made of stainless steel or heavy-duty galvanized enclosure with IP65-rated protection against moisture, dust, and coastal corrosion.
Structure schematic
Features
1.1 The overall circuit breaker is of miniaturised design and of fully enclosed structure. The spring-operated mechanism is hermetically arranged inside the case.
1.2 The circuit breaker body is mainly composed of conductor circuit, transmission system, insulation system and so on.
1.2.1 conductive circuit mainly consists of inlet and outlet conductive rod, conductive bracket, vacuum interrupter room, etc., vacuum interrupter room is the main component of the circuit breaker, the use of ceramic shell, cup-shaped longitudinal magnetic contact structure, copper-chromium contact material, has a good opening and closing short-circuit current capacity, long electric life. Avoid a series of problems caused by oil filling and gas filling.
1.2.2 Transmission system mainly consists of three-phase spindle, insulated tie rod, inflection arm, contact spring and split spring.
1.2.3 Circuit breaker can have current transformer in two phases, according to the user's needs can be installed 50/5, 100/5. 150/5. 200/5. 400/5. 630/5 and other specifications.
1.3 circuit breaker operating mechanism by the closing bullet, energy storage system, overcurrent disconnectors, switching system, etc., can be divided into two kinds of manual electric operation.
1.3.1 Manual operating mechanism with manual energy storage, manual breaking, closing and overcurrent protection, such as users need to install surge current delay protector, that is, with overcurrent delay protection.
1.3.2 Electric operating mechanism shall be powered by independent power supply, in addition to electric energy storage, electric switching, closing and overcurrent protection, but also has a manual energy storage, manual switching and overcurrent protection. If the user needs to install inrush current time-delay protector, that is, with overcurrent time-delay protection.
1.4 Circuit breaker can also be equipped with intelligent switch controller, with three-stage current protection, zero sequence protection reclosing. Quick-break protection and other protection functions. It supports a variety of communication protocols, allowing the use of a variety of communication methods to form a communication network, the switch can be manually or remotely operated locally, but also through the communication network to achieve remote control. If equipped with corresponding reclosing or sectional control device, it can be used as recloser or sectionaliser.
The circuit breaker can be used as recloser or sectionaliser if equipped with corresponding reclosing or sectional control device.
1.5 The installation mode of the circuit breaker adopts the column mounting type.
Main technical parameters of circuit breaker
| S/N | Item | Unit | Data |
| 1 | Rated voltage | kV | 40.5 |
| 2 | Rated current | A | 630/1250/1600 |
| 3 | Rated frequency | Hz | 50/60 |
| 4 | Power frequency withstand voltage 1min (wet) (dry) | kV | 80/95 |
| 5 | Lightning impulse withstand current (peak value) | kV | 185 |
| 6 | Rated short circuit breaking current | kA | 25 |
| 7 | Rated short circuit making current (peak value) | kA | 80 |
| 8 | Rated peak withstand current | kA | 80 |
| 9 | 4S short-term withstand current | kA | 31.5 |
| 10 | Rated operating cycle | o-0.1s-co-3s-c o-6s-co-60s- resume |
|
| 11 | Rated short circuit current breaking times | times | 30 |
| 12 | Mechanical life | times | 20000 |
| 13 | Intelligent mechanism control voltage | V | DC220 |
| 14 | Secondary circuit 1min power frequency withstand voltage | KV | 2 |
Normal use conditions
1. Ambient air temperature: -30ºC~+60ºC;
2. Altitude: no more than 2,000 meters;
3. Wind speed does not exceed 34m/s;
¨ Vibrations or ground movements from outside the switchgear and control equipment are negligible;
4. Pollution level: Level IV; 35kv pole switch zw32-40.5
5. Storage temperature: -40ºC~+85ºC.
Application
Order instructions
When ordering, please specify the product type, name, quantity, rated current, rated short-circuit breaking current, current ratio of the current transformer, operation mode and operating voltage, etc.
Q: Could I have prices of your products?
A: Welcome. Please feel free to send us inquiry here. We will reply you within 24 hours.
Q: Can I get a sample before the bulk order?
A: Yes, we welcome sample order to test and check quality.Mixed samples are acceptable.
Q: Can we print our logo/ company name on products?
A: Yes, of course, we accept OEM, then need you to provide brand authorization to us
Q:Do you accept product customization?
A:Yes, of course, please provide specific drawings or parameters, we will quote you after evaluation
Q: What is the lead time?
A: The lead time depends on the quantities ordered, generally within 7-20 days after receiving the payment.
Q: What is your Trade Terms?
A: We accept EXW, FOB, CIF, FCA, etc.
Q: What is your payment method?
A: We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc
Q: Do you inspect the finished products?
A: Yes, each step of production and finished products will be came out inspection by QC department before shipping. And we will provide goods inspection reports for your reference before shipment
Q: How to solve the quality problems after sales?
A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI223330". Items marked "
" are certified.
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Company Profile
Yueqing Liyond Electric Co., Ltd. Was established in 2011, with its headquarters located in Yueqing, Zhejiang Province - known as the "Capital of Electrical Equipment" in China. To continuously expand our business scale, the company established Hangzhou Liyond Electric Co., Ltd. In 2024 as a branch to further extend our business footprint. As a professional enterprise specializing in the research, development, and production of medium and high voltage switchgear and components, we have been deeply engaged in the power transmission and distribution field for over 15 years, committed to providing customers with high-quality products and services.
We specialize in the manufacturing and distribution of KYN28 switchgear, ring main units, gas-insulated switchgear, and associated equipment components. With continuous innovation and technological advancements in both application and development, Liyond Electric has successfully obtained more than 10 proprietary patents to date.
Our products are exported to regions including the United States, Europe, South America, Africa, Central Asia, Southeast Asia, and the Middle East. We have established long-term cooperative relationships with globally renowned enterprises such as ABB, Schneider Electric, Eaton, GE, Cooper, TEL, and CG. With our high-quality products and stringent standards, we have gained extensive recognition in the international market.
We possess an exceptional management team and a dedicated technological innovation team. Guided by customer needs and centered on industry standards and professional expertise, we implement quality control throughout the entire production and process control system. Based on the principle of mutual benefit and win-win cooperation, we have earned extensive trust and support from our clients.
Liyond Electric will continue to deepen its market presence, drive technological advancement through innovation, accelerate intelligent transformation, actively expand its global perspective, and strive to become a leading brand in the industry both domestically and internationally.
We warmly welcome customers from all over the world to establish cooperation and create a better future.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Room 1801, building 2, 3 and 4, headquarters economic Park, No. 6688, Xuyang Road, Chengdong street, Yueqing City, Zhejiang Province
-
Plant Area
- 1100 square meters
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Number of Employees
- 18
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Registered Capital
- 5,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Ningbo Port, Shanghai Port
Our Production Capability & Technical Expertise
-
Main Products
- Medium 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 Engineers
- 2 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2011-04-07
- Export Year
- 2011-04-07
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea)
-
Number of Foreign Trading Staff
- 7
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE
FAQ
- What is the rated short-circuit breaking capacity and mechanical endurance of this 40.5kV Recloser?
- The ZW32-40.5 model provides a rated short-circuit breaking current of up to 25kA / 31.5kA with a rated short-time withstand current duration of 4 seconds. The integrated mechanism achieves 10,000 mechanical operations without adjustments.
- How does the solid encapsulation handle extreme ambient temperatures and high altitude conditions?
- This Outdoor VCB utilizes solid-embedding technology with the vacuum interrupter cast inside epoxy resin/silicone rubber housing. It operates within ambient temperatures from -40C to +40C and standard altitudes up to 2,000m (custom high-altitude designs available upon request).
- Which communication protocols are compatible with the intelligent controller for smart grid telemetry?
- The matching outdoor smart controller integrates standard MODBUS, DNP3.0, and IEC 60870-5-104 protocols. It transmits real-time data including three-phase current, voltage, and fault logs via GPRS/GSM or optical fiber links.
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