ANSI 57-3 Porcelain Ceramic Line Post Station Post Insulator

• Application: High-voltage
• Material: Porcelain
• Structure: Post Insulator
• Usage: High Voltage Power Transmission, Insulation, Electrical Installation
• Connection Method: Spherical Type
• Size of Bearing Capacity: 12.5kn
• Model NO.: 57-3
• Certification: CCC, CE, ISO9001
• Color: Brown
• 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		57-3
Dimensions
Creepage distance	mm	737
Dry arcing distance	mm	311
Mechanical Values
Cantilever strength	kn	12.5
Cantilever strength routine test	kn	5
Electrical Values
Type application voltage	kv	45
Low frequency dry flashover voltage	kv	125
Low frequency wet flashover voltage	kv	100
Critical impulse flashover voltage,positive	kv	210
Critical impulse flashover voltage,negative	kv	260
Radio influence Voltage Data
Test voltage RMS to ground	kv	30
Maximum RIV at 1000kHz	μv	200
Packing and Shipping Data
Net weight,approximate	kg	11.0