Product Overview
Magnetic-Actuator Outdoor Vacuum Circuit Breaker from a Reliable Manufacturer and Factory Supplier
The ZW32Y-12 outdoor vacuum circuit breaker features a unique combination of vacuum arc extinguishing with the use of a magnetic actuator in order to ensure fast and reliable operation. Mechanical life is excellent – the device is capable of more than 30000 mechanical operations. The device has 12 kV voltage rating and 630 A current with breaking capacity up to 25 kA, making it really suitable for all sorts of automated distribution networks and utility applications.
Applications & circuit protection
This circuit breaker is suitable for use in power distribution and automation, pole-mounted substation as well as power supply networks that require quick and efficient switching.
- Distribution automation: Fast switching for automated grid systems.
- Pole mounted substations: Small size outdoor protection.
- Distribution utility: Reliable line protection.
- Renewable energy plants: Feeder protection for decentralised generation systems.
Construction & operating reliability
Thanks to its fewer moving parts, magnetic actuator provides steady, high-speed performance which means less maintenance and greater reliability.
- Magnetic actuator for quick and consistent performance.
- Vacuum interruptor for a clean break of the arc.
- 30,000 mechanical life cycles.
- 630A current rating with 20–25kA braking capability.
- Mounted on poles, outdoor use.
Technical Parameter
| Parameter | Value |
| Rated voltage | 12 kV |
| Rated frequency | 50 Hz |
| Rated current | 630 A |
| Rated short-circuit breaking current | 20 / 25 kA |
| Rated peak withstand current | 50 kA |
| Power-frequency withstand (1 min) | 42 kV |
| Lightning impulse withstand | 75 kV |
| Mechanical life | 30,000 operations |
| Standard | IEC 62271 / GB 1984 |
Circuit Breaker Price & Factory Quote
The pricing of breakers is based on the rated voltage, current, breaking capacity, mechanism of operation and the number of units. We are manufacturers of outdoor vacuum circuit breakers at the lowest prices from manufacturer and with volume tiers for the resellers and projects
- Standard models priced from manufacturer price list
- Custom mechanisms or CT pricing available separately
- Container pricing options for bulk orders
Breaker Wiring & Control Connection
The circuit breaker is joined to the circuit through power terminals while commands to close/open are received by control terminals along with auxiliary contacts. The diagrams detailing wiring and terminal marking comes with the outdoor circuit breakers.
- Main terminals marked as per the diagram.
- Control circuit has been prepared and tested
- Auxiliary contacts are included.
Compare Breaker Options
Select the right breaker for your duty:
| Feature | This Breaker | Alternative |
| Voltage | As specified | Other classes available |
| Breaking | Per model | Higher breaking on request |
| Mechanism | Spring / magnetic per model | Manual or motor operation |
| Mounting | Indoor / outdoor per model | Pole or panel mounting |
Export Markets & Country Compatibility
The Outdoor Vacuum Circuit Breaker has been made available to utility companies and distributors in different parts of Southeast Asia, the Middle East, Africa, Latin America and South Asia. Different specifications like the operating mechanism and the necessary certifications are provided based on the destination market.
Breaker Dimensions, Weight & Packing
The sizing and the mass of electrical circuit breakers relies on the voltage class and the action of the mechanism. In the case of outdoor type circuit breakers attached to poles, they are small and lightweight for quick installation, while indoor type breakers are sent as a complete package for installation into the switchboard. Measurements and weight are checked against the drawings provided for the order.
- Specific measurements as per the design
- Mechanism is fastened and its compartments are protected for the delivery
- Installation materials supplied
Standards & certifications
Produced according to IEC 62271 and GB 1984, the ZW32Y-12 can be offered with type test documentation supporting the utility approval process.
- Design standard: IEC 62271 / GB 1984.
- Magnetic actuator technology.
- Vacuum switch.
- 30,000 operations mechanical life tested.
OEM & B2B supply support
Subian Electric manufactures and supplies power equipment to utility companies and automation projects with magnetic actuator VCB products and service.
Contact us for any other ratings or control variation specifications.
- Samples available upon request.
- Pay attention to our flexible quantity for utilities and project needs.
- OEM and ODM capabilities.
- Custom packages and markings.
- Full technical documentation and certifications provided.
Frequently Asked Questions
What makes the ZW32Y-12 different?
The ZW32Y-12 uses a magnetic actuator rather than a spring actuator, thus providing rapid and accurate opening with fewer parts.
What is the mechanical life?
By using a magnetic actuator, the ZW32Y-12 can be operated up to 30,000 times, which allows for numerous operations to automate processes.
What are the main ratings?
The ZW32Y-12 is rated to 12kV,630A with breaking capacity of 20kA or 25kA.
Is it suitable for distribution automation?
Its high speed and high precision thus makes the ZW32Y-12 ideal for automation in distribution networks.
