Dgg Outdoor Switch Disconnectors for Medium Voltage Power Line Safety

Product Description

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

Get factory pricing. 

Request a quote now.

 

Professional supplier of integrated power transmission and distribution equipment.

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.

RH-B Series

Combination Electrical Fuse Type Isolation Switch

Combination electrical - fuse type isolation switch is a simple and effective manually operated protective device, mainly used forisolating circuits or short circuit protection in circuits.

lsolation switch is a switch device mainly used for isolating power supply, switching operation, connecting and cuting off smallcurrent circuits, without arc extinguishing function.

 

Technical parameters of the isolation switch section
Project		Unit	Technical parameter
Rated voltage		kV	11		33
Rated current		A	400	630	400	630
Rated short-term withstand current		kA/3s	12.5	20	12.5	20
Peak withstand current		kA	31.5	50	31.5	50
Power frequency impulse withstand voltage	Phase-to-ground	kA	38		70
	Fracture surface		42		80
Lightning impulse withstand voltage	Phase-to-ground	kA	75		170
	Fracture surface		95		195
Creepage distance		mm	≥ 372		≥ 900

Technical parameters of the fuse section
Project		Unit	Technical parameter
Rated voltage		kV	11		33
Rated current		A	100	200	100	200
Breaking current		kA	12.5	16	12.5	16
Power frequency impulse withstand voltage	Phase-to-ground	kA	38		70
	Fracture surface		42		80
Lightning impulse withstand voltage	Phase-to-ground	kA	75		170
	Fracture surface		95		195
Creepage distance		mm	≥ 372		≥ 900

Note: If the parameters requested by the user are beyond the scope of the above table, they can be determined after consutaion with us.
 

 

Outline & Installation Dimensions
Denggao Electric Co., Ltd.

 

DGG Isolation Switch 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.

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.