12.5kn 57-1 Line Post Type Porcelain Insulator

• Customization: Available
• Application: High-voltage
• Material: Porcelain
• Model NO.: 12.5kn 57-1
• Structure: Post Insulator
• Usage: High Voltage Power Transmission, Insulation, Electrical Installation
• Connection Method: Spherical Type
• Size of Bearing Capacity: 12.5kn
• Certification: CCC, CE, ISO9001
• Color: White
• Transport Package: Wooden Case Packing
• Specification: portland cement
• Trademark: PAC
• Origin: China
• HS Code: 8546209090
• Production Capacity: 500000PCS/Year

Product Description

 

 

 

Line post type porcelain insulators
ANSI Class		57-1
Dimensions
Creepage distance	mm	356
Dry arcing distance	mm	165
Mechanical Values
Cantilever strength	kn	12.5
Cantilever strength routine test	kn	5
Electrical Values
Type application voltage	kv	25
Low frequency dry flashover voltage	kv	80
Low frequency wet flashover voltage	kv	60
Critical impulse flashover voltage,positive	kv	130
Critical impulse flashover voltage,negative	kv	155
Radio influence Voltage Data
Test voltage RMS to ground	kv	15
Maximum RIV at 1000kHz	μv	100
Packing and Shipping Data
Net weight,approximate	kg	5.2