0.38kV-123kV Power Transmission & Distribution Equipment Supplier
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Request a quote for your project.
Supplying current transformers, voltage transformers, surge arresters, fuse cutouts, disconnect switches, switchgear, circuit breakers, and related power distribution equipment.
Fast response from inquiry to technical confirmation.
Supported by an international sales team and 50+ experienced engineers.
Our team supports product selection, technical confirmation, and project-based solution matching.
Proven Project Experience in Power Distribution
DGG Power has supplied products for domestic and overseas power distribution projects, including utility, substation, and EPC-related applications.
Partial Project References:
DD1/P&D/ICB/2025/028/D
CEB SPECIFICATION 082:2019
DD4/P&D/ICB/2024/010/D
CEB/AGM(DD3)/P&D/ICB/2025/25/BPC
TENDER Y103092
NO-DIS-MA-2205
NO-DIS-MA-6003
NO-DIS-MA-7006
NO-DIS-MA-7007TENDER FOR THE
...
Project reference documents and technical files are available upon request.
Contact us to discuss your project requirements.
ZW32-24 Series
Intelligent Outdoor High Voltage AC Vacuum Circuit Breaker
Environmental Conditions:
Surounding alr temperature: upper limit +45ºC, lower limit -40ºC, daily average temperature change not exceeding 25ºC;
Relative humidity of air: daily average not exceeding 95%, monthly average not exceeding 90%;
Altitude: not exceeding 1000m;
Wind speed: not exceeding 34m's;
Wind pressure: 700Pa:
Pollution level: not exceeding level IV specified in GB/T 5582-1993;
Installation location: Outdoor, without flammable, explosive, chemical corrosion, or severe vibration.
This intelligent outdoor high voltage AC vacuum circuit breaker is designed for overhead distribution lines, substations and feeder automation systems. It is used for load switching, fault current interruption, protection control and remote operation, supporting reliable power distribution in smart grid and outdoor utility projects.
The ZW32 series inteligent outdoor high-voltage AC vacuum circuit breaker adopts a unique design of integrated fixedsealing pole and high reliability operating mechanism. This device is mainly used in medium voltage overhead power grids as ameans of breaking and closing load currents, overload currents, and short-circuit currents.
| Project |
Unit |
Technical Parameter |
| Rated Voltage |
kV |
24 |
| Rated Current |
A |
630 |
1250 |
| Rated Frequency |
Hz |
50 |
| Rated Insulation Level |
1min power frequency withstand voltage |
Ground contact and fracture (wet test) |
kV |
50/64 |
| Ground contact and fracture surface (dry test) |
65/79 |
| Secondary circuit to ground |
2 |
| Lightning Impulse Voltage |
Ground contact and fracture |
125/145 |
| Rated short-circuit breaking current |
kA |
20 |
25 |
| Rated short-circuit making current (peak) |
50 |
63 |
| Rated short-term withstand current |
20 |
25 |
| Rated peak withstand current |
50 |
63 |
| Rated short-circuit breaking current breaking frequency |
Times |
30 |
| Rated short-circuit duration |
S |
4 |
| Rated operating voltage and rated voltage of auxiliary circuit |
V |
DC220,AC220 |
| Rated operating sequence |
|
0-0.3s-C0-180s-CO |
| Rated current of overcurrent release |
A |
5 |
| Mechanical lifespan |
Times |
10000 |
| Weight |
Without isolation knife |
kg |
115 |
| With isolation knife |
115 |
Note: If the parameters requested by the user are beyond the scope of the above table, they can be determined after consutaion with our company.
DGG VCB Vacuum Circuit Breaker Series Products
(Simply let us know what you need, and we'll assist you in selecting the right model.)
DGG Other Products
Denggao Electric Co., Ltd.
Why Choose DGG
Denggao Electric Co., Ltd.
Project-based supply experience for power distribution and substation applications.
IEC type test report support for selected models, including KEMA and TÜV reports.
Engineering support for product selection, parameter confirmation, and technical documents.
In-house production and testing capabilities for stable quality and delivery.
Customer Visit & Project Communication
We welcome customers and project partners to visit DGG Power for factory inspection, product discussion, and technical communication.
During the visit, our sales and engineering teams can support product selection, parameter confirmation, sample review, and project requirement discussion.
This helps both sides improve communication efficiency and move from inquiry to practical project confirmation.
1. Manufacturing Experience: Years of experience in power transmission and distribution equipment manufacturing.
2. In-House Production Capability: Equipped with production lines for instrument transformers, surge arresters, fuse cutouts, circuit breakers, disconnect switches, switchgear, and related products.
3. Experienced Workforce: Our skilled workers each have over 10 years of experience.
4. Factory-Direct Supply: Direct factory support for distributors, contractors, utilities, and project buyers.
DGG Power has in-house laboratory facilities to support routine testing, product verification, and technical data collection.
These testing capabilities help us check key product performance, support technical confirmation, and provide reliable data for project requirements.
DGG's Cooperative Partner
Denggao Electric Co., Ltd.
DGG Projects
Denggao Electric Co., Ltd.
DGG's Certifications & Test Reports
Denggao Electric Co., Ltd.
Note:If you need more information about DGG's certificates & test reports,please contact us.
Get Project Support Easily
Send us your project requirements and our team will help you move from inquiry to technical confirmation.
1.Tell Us What You Need:
Please share the product type, rated voltage, rated current, quantity, application environment, drawings, or technical specifications if available.
2. Get Technical Confirmation & Quotation
Our sales and engineering teams will review your requirements and provide product selection support, technical confirmation, and quotation details.
3. Confirm the Order & Delivery Plan
After technical and commercial confirmation, we will arrange production, inspection, packaging, and export delivery according to the order requirements.
Your Project Deserves Careful Support
Whether you are sourcing a single product or working on a complete project,
DGG Power is ready to help you review the requirements,
match suitable models, and prepare the documents you need.
Send us your specifications, drawings, or project details.
Our team will help you check the next step.
Let's build a reliable solution for your power project.
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