Dgg Single Pole Disconnector Medium Voltage for Utility Distribution Network

• Customization: Available
• Type: High-voltage
• Structure: Double-column Disconnector
• Model NO.: DGNPD
• Installation: Outdoor High-voltage
• Operation: Electric
• Grounding Mode: Grounding
• Movement Mode: Vertical Rotary Type
• Number of Poles: Three Pole
• Grounding: Single Ground
• Series: Three
• Run: Turn the Horizontal
• Switching Mode: Double-Throw Type
• Common Model: Dgw11-15
• Structure of Operating: Electric
• Certification: ISO, CE, ISO9001, Type Tests
• Brand: Dgg
• Rated Frequency: 50/60Hz
• Peak Withstand Current: 400A/630A
• Rated Current: 15.5kv/50kv
• Short Time Withstand Current: 4.2ka
• Transport Package: Export Box
• Specification: Customized
• Trademark: DGG/ODM/OEM
• Origin: China
• HS Code: 8504311000
• Production Capacity: 100000PCS/Year
• Package Size: 80.00cm * 25.00cm * 45.00cm
• Package Gross Weight: 50.000kg

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.

DGNPD Series

Transformer Neutral Gap Grounding Protection Device

The DGNPD series transformer neutral point gap grounding protection complete set device (hereinafter referred to as the completeset device) produced by our company is developed to protect the insulation of the transformer neutral point from damage caused bylightning overvoltage, operating overvoltage, and power frequency (transient) overvoltage.

Project		Unit	DGNPD-85/180-60	DGNPD-95/250-72	DGNPD-95/250-72
Transformer neutral point withstand level	1.2/50 μ s lightning impulse withstand voltage (peak)	kV	180	250	325
	1 minute short-term power frequency withstand voltage	kV	85	95	140
Zinc oxide lightning arrester	Rated voltage (effective value)	kV	60	72	96
	Continuous operating voltage (effective value)	kV	48	58	77
	DC 1mA reference voltage	kV	≥ 86	≥ 103	≥ 137
	8/20 μs lightning impulse current residual voltage (peak)	kV	≥ 144	≥ 186	≥ 260
Discharge gap	Power frequency discharge voltage (effective value)	kV	67.5±5%	81±5%	108±5%
lsolation switch	Peak withstand current	A	400	400	400
	Rated current	kA	15.5	15.5	15.5
	Short time withstand current for 10 seconds	kA	4.2	4.2	4.2

Project		Unit	DGNPD-140/325-102	DGNPD-200/400-144	DGNPD-230/550-207
Transformer neutral point withstand level	1.2/50 μ s lightning impulse withstand voltage (peak)	kV	325	400	550
	1 minute short-term power frequency withstand voltage	kV	140	200	230
Zinc oxide lightning arrester	Rated voltage (effective value)	kV	102	144	207
	Continuous operating voltage (effective value)	kV	82	116	166
	DC 1mA reference voltage	kV	≥ 158	≥ 205	≥ 292
	8/20 μs lightning impulse current residual voltage (peak)	kV	≥ 260	≥ 320	≥ 440
Discharge gap	Power frequency discharge voltage (effective value)	kV	115±5%	162±5%	234±5%
lsolation switch	Peak withstand current	A	400	400	630
	Rated current	kA	15.5	15.5	50
	Short time withstand current for 10 seconds	kA	4.2	4.2	20

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
Denggaoyun Imp & Exp (zhejiang) 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
Denggaoyun Imp & Exp (zhejiang) 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
Denggaoyun Imp & Exp (zhejiang) Co., Ltd.

DGG Projects
Denggaoyun Imp & Exp (zhejiang) Co., Ltd.

 

 

DGG's Certifications & Test Reports
Denggaoyun Imp & Exp (zhejiang) 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.