Line Post Type Porcelain Insulator

• Customization: Available
• Application: High-voltage
• Material: Porcelain
• Model NO.: 12.5kn 57-13 57-14
• Structure: Post Insulator
• Usage: High Voltage Power Transmission, Insulation, Electrical Installation
• Size of Bearing Capacity: 11.4kn
• Certification: ISO9001
• Color: Brown
• Net Weight: 0.5kg
• Transport Package: 1000*1000*1000mm
• Trademark: JOHNSON
• Origin: China
• HS Code: 854620909
• Production Capacity: 100000

Product Description

Dear customers,

         If you have any other questions, please feel free to contact us.

 

Line post type porcelain insulators
ANSI Class		57-13	57-14
Dimensions
Diameter	mm	102	102
Height	mm	400	480
Creepage distance	mm	737	1015
Dry arcing distance	mm	311	368
Mechanical Values
Cantilever strength	kn	12.5	12.5
Cantilever strength routine test	kn	22	22
Electrical Values
Type application voltage	kv	45	55
Low frequency dry flashover voltage	kv	125	150
Low frequency wet flashover voltage	kv	100	125
Critical impulse flashover voltage,positive	kv	210	255
Critical impulse flashover voltage,negative	kv	260	340
Radio influence Voltage Data
Test voltage RMS to ground	kv	30	44
Maximum RIV at 1000kHz	μv	200	200
Packing and Shipping Data
Net weight,approximate	kg	11.8	16.5