Dalian Hivolt Power System Co.,Ltd
5 1

IEC Standard Disk Type Insulator, Post Type Insulator For Electrical Power Lines

Contact Now* Send an Inquiry to this supplier.
Start Order * Name your price
You may also be intersted in
disc type insulator

Contact us

Dalian Hivolt Power System Co.,Ltd

No.2804, 75 Huili Street , Ganjingzi District, Dalian China Dalian Liaoning
Contact name

Quick Information

  • Brand Name: HIVOLT
  • Place of Origin: China
  • Model Number : U300B



​Technical Specification of IEC standard U300B porcelain suspension inuslator for 400KV electrical power lines

  Technical Specification Unit Value
1 Spacing mm 195
2 Shed Diameter mm 320
3 Creepage Distance mm 485
4 Coupling Size   24
5 Rated M&E Strength KN 300
6 Impact Strength N.m 10
7 Power Frequency Withstand Voltage    
  dry KV 80
  wet KV 45
8 Lightning Impulse Withstand Voltage    
  Positive KV 130
  Negative KV 130
9 Puncture Voltage KV 130
10 RIV test Voltage to the Ground KV 10
  Max RIV at 1 MHz μV 50

suspension insulators have below advanced charactors :

1  the insulation part use high aluminum porcelain C130 , glaze color grey , brown or white ,or customer's specification  .

2 we produce metal fittings for example metal cap with density ductile iron ,every pieces of cap are tested qualified with magnetic powder method . we produce metal pins with material of  forged steel .

all the metal fittngs covered a layer of hot-dip zinc coating .

3 we tested each piece of insulators by routine test , test items shown below :

​ routine tension load strength test , which will apply 50% of rate mechanical strength withstand 1 minutes .

routine flashover test , will check each piece of insulators one by one , to sort defect unit out.
4 we will test each batch of insulators by sample test , the test items including :
visual and dimensional check , temperature cycle test , M&E failing load test , puncture test , galvanization thickness test etc.


the U300B product are Suitable for tension string or suspension string in power lines 330KV, 400KV,500KV,750KV etc.

Competitive Advantage:

the HIVOLT insulator have very good mechanical & electrical character , we offer 2 years quality guarantee . we believe high quality deserve your trust !

each pieces of insulators are well tested , to be sure all insulators are without any defect.

if customer can provide technial data , We will make related insulators design .   we called it a one-stop purchasing .

Product Image

  • IEC Standard Disk Type Insulator, Post Type Insulator For Electrical Power Lines image

Send an Inquiry to this supplier

Send an Inquiry to this supplier
* From
  To Canning
Dalian Hivolt Power System Co.,Ltd
* Buying Product
- Please enter your specific buying item.
e.g. 42 inch LCD TV, leather executive chair
Category : Iron Pipes
* Message

Use English only Max. 2000 characters. (Min. 20)

EC21.com does not guarantee the validity of product information or the credentials of sellers.