57-2 High Voltage Isolator 70 Kv Electrical Ceramic Insulator Post Porcelain Insulators

• Customization: Available
• Application: High-voltage
• Material: Porcelain
• Model NO.: 57-2
• Structure: Post Insulator
• Type: Insulator
• Usage: High Voltage Power Transmission, Insulation
• Connection Method: Trough Type
• Size of Bearing Capacity: 12.5kN
• Certification: CCC, CE, ISO9001
• Color: Brown
• Brand: Powtech
• Name: Porcelain Insulator
• Nominal Voltage: 22 Kv
• Feature: High Temperature Resistance
• Standard: ANSI
• Transport Package: Wooden Case
• Specification: CE, ISO9001
• Trademark: OPTELEC
• Origin: China
• Production Capacity: 100000PCS/Month
• Package Size: 50.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 20.000kg

Product Description

57-2 High Voltage Isolator 70 KV Electrical Ceramic Insulator Post Porcelain Insulators
Type No. :ANSI57 series
Name: Line post type porcelain insulator
Color:Brown,grey gloze etc

Technical Parameters:

ANSI Class		57-1	57-2	57-3	57-4	57-5
Creepage distance,mm		356	559	737	1015	1145
Dry arching distance		165	241	311	368	438
Cantilever Strength,Kn		12.5	12.5	12.5	12.5	12.5
Lower Frequency Flashover Voltage	Dry,kv	80	110	125	150	175
	Wet,kv	60	85	100	125	150
Critical Impulse Flashover Voltage	Pos.,kv	130	180	210	255	290
	Neg.,kv	155	205	260	340	380
RIV Data	Test volt. To ground,kv	15	22	30	44	44
	Max RIV at 1000 KHz,Uv	100	100	200	200	200

Company Profile

Founded in 1994 and headquartered in Qingdao, China, Qingdao Powtech Electronic Co., Ltd is a trailblazing high-tech enterprise dedicated to designing, manufacturing, and supplying advanced solutions for telecommunications and power transmission industries. With over 30 years of expertise, we combine innovation, precision engineering, and customer-centric values to deliver reliable, sustainable technologies worldwide.  

Mission: "From Design to Delivery, Powtech Offers You Reliability". 
Vision: To pioneer sustainable technologies that connect communities and power global progress.
 

Certifications

 

Our Advantages

FAQ

Q1:Can u provide us with samples?
Ans1: Yes, we can provide 1 to 2pcs samples for free.

Q2:If we need customized/OEM product, Can u supply?
Ans2: Yes,Customized/OEM product/artwork is available for us. Professional designers, Advanced technicians and mold modifications department ensure that we will make the exact model for u accordingly.

Q3:If u can accept small trial order?
Ans3: Yes, small trial order is accepted.

Q4:What payment terms available for u? 
Ans4: We accept TT, LC, Alipay etc.

Q5:Can u offer discount?
Ans5: Yes, Discount available on large order. The larger the order, the more discount we will offer.

Q6:What is ur delivery time?
Ans6: Usually, delivery will be made within 2 weeks after down payment; If order very large,one month we will need. Please note, delivery time is production time, and shipping time not included. If u want to know, we can help u consult shipping company for details.