57-4 Thailand Type Line Post Porcelain Insulator

57-4 Thailand type line post porcelain insulator is a high-voltage line post porcelain insulator. Line post insulator(pin post insulator) is used for supporting wires and resisting electric current, which is consisting of one or more insulating members permanently glued to a metal base, sometimes with a cap,and can be double mounted on a metal base. The head bolt or one or several bolts are steel mounted on the support structure.

Condition Of Use 

2. Altitude: Do not exceed 1000m; (1000m and above can be amend base on GB311.1-1997) 

3. Frequency: Do not exceed 100Hz 

4. Nominal voltage: above 1000V

5. Mechanical Load: Do not exceed the rated value of each product 

MAIN DIMENSIONS AND STANDARD PARTICULARS
Cat.No.		Thailand Type
Leakage Distance/mm		953
Protective Leakage Distance/mm		483
Min.Cantilever Failing Load/kn		12.5
Power-freq.1 min Withstand Dry Voltage,kv		140
Power-freq.1 min Withstand Wet Voltage,kv		95
Lightning Impulse Withstand Voltage/kv		-
Net Weight,kg		-

Our Services

1. Small Orders Accepted
2. Fast producing time,  Prompt Delivery
3. International Approvals
4. Reply promptly in 24 hours
5. Best Price

FAQ: 

   A: Yes. We are the direct manufacture factory, and our factory has specialized in insulator ,arrester , power fitting ,etc.  

4. Q: How long is producing time ?
   A: Normally it will take about 30 days for production.
5. Q: What is the standard of package ?
   A: For small capacity, we use carton, but for big capacity, we will use strong wooden case for protection or double inner packs in a master carton.
6. Q: How do you make sure your good quality ?
   A: We use the best raw material , and every single product will go through a series of strict test.