Dgg Outdoor Circuit Breaker for Medium Voltage Distribution Line with Vacuum Interrupter

Product Description

11kV-123kV Supplier of Integrated Power Transmission & Distribution Equipment.
 

Get factory pricing. 

Request a quote now.

 

More Than 15 Years Of Experience In Supplying State Grid And Southern Power Grid. 

With DGG, you can bring your project concept to life in just a few days.
 

Our foreign colleague and over 50 experienced engineers are ready to support your project.

 

We are a seasoned manufacturer of both high- and low-voltage power system products.

Bid No : 
REB ITEMS H-7.400B Through 7.800B
REB ITEM:H-1.100
BREB ITEM:C-1,2,3,4,5,10,11&13
MIUEPDSP GD-8 FY 2024-25
MIUEPDSP GD-8 FY 2024-25
27.29.0000.012.07.012.25- 739
20-2025
EDMS 17-401-2
EDMS 17-400-2 
ICB/DCSD-082/83-08
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-7007
...
For more information, please feel free to contact us.

ZW7-40.5 Series
Outdoor High Voltage AC Vacuum Circuit Breaker

Environmental Conditions:

 

Alttude: not exceeding 1000m, if the altitude is higher than 1000m, the rated insulation level should be adiusted accordingly;
Environmental temperature: upper limit +45'ºC, lower limit -40'ºC, maximum daily temperature diference of 25K;
Humidity: Daily average relative humidity <95%, monthly average relative humidity <90%;
Solar radiation intensity: ≥0.1W/cm2;
Wind speed: 34m/s;
Wind pressure:700Pa;
Pollution level: e-level;
lce thickness:≤ 10mm;
Earthauake tolerance: horizontal acceleration of 0.3a, vertical acceleration of 0.2g

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 frequency		Hz	50
Rated voltage		kV	40.5
Rated current		A	1250,1600,2000
Rated short-termpower frequency withstand voltage	Interphase and ground (dry test)	kV/min	95/1
	Fracture surface (dry test)		118/1
	Interphase and ground (wet test)		80/1
	Secondary circuit to ground		2/1
Rated lightning impulse withstand voltage	Interphase and ground	kV	185
	Fracture surface		215
Rated short-circuit breaking current		kA	31.5
Rated short-circuit making current		kA	80
Rated short-term withstand current and duration		kA/s	31.5/4
Rated peak withstand current		kA	80
Rated short-circuit breaking current breaking frequency		Times	20
Rated operating voltage and rated voltage of auxiliary circuit		V	AC/DC220,AC/DC110
Main circuit resistance (excluding CT)		μ Ω	≤100

 
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.

 

Outline & Installation Dimensions

Denggao Electric Co., Ltd.

DGG Vacuum Circuit Breaker Series Products

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Denggao Electric Co., Ltd.

Why Choose DGG

Denggao Electric Co., Ltd.

DGG has successfully passed various certifications including IEC, KEMA, TUV, Type Test Reports.

 

Our team consists of highly experienced professionals. We have continually invested in advanced production and testing equipment that meets global standards.

· Strong Support: The sales engineers you engage with are experienced and certified in English proficiency. We have several English-speaking team members and foreign colleagues, along with a dedicated group of over 50 experienced engineers who ensure smooth communication and provide viable design solutions.
 

· Strong Production Capacity: Currently, we operate four production bases encompassing an area of 40,000 square meters, employing over 300 staff members. We have more than 2,000 sets of our own molds, leading to an annual output value exceeding 500 million.
 

· Quality Assurance: Additionally, we maintain independent laboratories and hold numerous certificates and test reports, including those from IEC, KEMA, CNAS, and CSIT, as well as various Type Tests.

1. Over 30 Years of Experience: We have encountered and resolved a wide range of potential challenges in the technology sector.
2. Reliable Suppliers: We have access to the highest quality materials in the industry.
3. Experienced Workforce: Our skilled workers each have over 10 years of experience.
4. Cost-Effective Solutions: With our own production facility and direct sales, we can offer significant savings whether you are an agent or a direct buyer.

DGG has fully independent laboratories to test all aspects of developed products. It also possesses extensive product data, ready to address various customer issues in the future.
 

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

 

At DGG, we make complexity simple! Follow these 3 steps to get started now!

 

1.Tell Us What You Need:
Describe your needs as specifically as possible. Please provide drawings, reference pictures, and share your ideas.

2.Receive Solutions and Quotation:
We will create the best solution based on your requirements and drawings. You will receive a specific quotation within 24 hours.

3.Approval for Mass Production:
We will begin production once we receive your approval and deposit, and we will arrange the shipment thereafter.

We are a trusted supplier to State Grid and China Southern Power Grid,providing equipment
for over 15 years with proven long-term performance.

This gives us the confidence to expand globally and share our
high-quality products worldwide.

Our products are backed by multiple type test reports, ensuring absolute safety and reliability.

We are confident we will be your best choice.