Product Overview
Proven Outdoor Vacuum Circuit Breaker from a Professional Power Equipment Manufacturer
ZW32-12 is another outdoor pfv630 breakers for 12kV overhead transmission line protection. Rated at 630A and with breaking capacity of 20kA, pfv630 provides a vacuum arc extinction process combined with a spring mechanism which ensure efficient and durable operation of at least 30,000 operational cycles.
Applications & circuit protection
This circuit breaker is appropriate for outdoor feeder lines, pole-mounted stations and substations that require a reliable, low-maintenance protection.
- Distribution network: Protection for 12kV feeders.
- Pole-mounted stations: Compact outdoors.
- Substation feeders: Outgoing circuit protection.
- Industrial power: Reliable outdoor protection.
Construction & operating reliability
The vacuum switchgear is guaranteed to operate efficiently because of the vacuum interrupter and spring mechanism, and the fact that it can withstand outdoor weather conditions is advantageous.
- Produces an arc-extinguishing vacuum.
- Rated at 630A for a 20kA breaking capacity.
- Capable of achieving peak pre-insertion current of 50 kA.
- Has a mechanical life of 30,000 operations.
- Can be installed outdoors.
Technical Parameter
| Parameter | Value |
| Rated voltage | 12 kV |
| Rated frequency | 50 Hz |
| Rated current | 630 A |
| Rated short-circuit breaking current | 20 kA |
| Rated peak making 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 |
Breaker Cost & Quotation
Please send us your specifications for Outdoor Vacuum Circuit Breaker particulary the rating current, breaking capacity, and number of pieces required. Pricing applies to project orders too.
- Quick quotations for standard types
- OEM/brand free of charge
- Export packaging would be provided
Breaker Wiring & Control Connection
Power terminals link the breaker to the circuit, while control terminals take close/open orders as well as auxiliary contacts. The Outdoor Vacuum Circuit Breaker construction is provided with wiring diagrams and terminal labels.
- Power ports are identified according to schematic
- Control channel wired and tested
- Auxiliary contacts are for signaling
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 is supplied to various utilities and distributors in Southeast Asia, the Middle East, Africa, Latin America, and South Asia. The ratings, where it operates, and the kind of certifications provided by the government are provided according to the location.
Breaker Dimensions, Weight & Packing
The size and weight of breakers are determined by the voltage class and the device’s operating mechanism. Breakers for outdoor use are small and light to allow easy installation, while indoor breakers are offered pre-mounted in the panel. The sizes and weight are provided in the drawings accompanying the order.
- Dimensional data for each model
- Locking mechanism and protective panels in place for shipment
- Mounting hardware provided
Standards & certifications
Following IEC 62271 and GB 1984 standards, the ZW32-12 is available with the necessary type-test documents for utility approval.
- Drive standard: IEC 62271 and GB 1984.
- Operating with vacuum interrupter technology.
- Outdoor insulation levels confirmed.
- Mechanical life is confirmed for 30,000 operations.
OEM & B2B supply support
The manufacturing and supply of high-quality outdoor vacuum circuit breaker equipment by Subian Electric, as leading producers and manufacturers in the industry, has enabled the company to meet the needs of customers, contractors and wholesalers around the world, providing customers with samples and technical support in this regard.
For more information on what other ratings or configurations we have available call us with your requirements and quantity.
- We have samples available for testing purposes.
- Flexible quantities for projects and B2B purchases.
- We can provide OEM/ODM services.
- Branding and packaging available.
- All necessary technical documentation and certificates.
Frequently Asked Questions
What is the ZW32-12 used for?
It provides protection of 12kV distribution circuits with respect to both overload and short circuit, at pole or substation.
What is the breaking capacity?
The standard model rated at 630A has a breaking capacity of 20kA.
What is the mechanical life?
The spring system ensures a mechanical life of 30,000 times.
Do you supply to utilities?
Yes, we supply not only utilities but also EPC contractors, distributors and OEM customers all around the globe.
