Brown Glazed Porcelain Station Post Insulators

• Application: High-voltage, Low-voltage, High-temperature
• Material: Porcelain
• Structure: Pin Insulator
• Type: A Type Insulator
• Usage: High Voltage Power Transmission, Insulation, Electrical Installation
• Connection Method: Trough Type
• Model NO.: ANSI 57-5
• Size of Bearing Capacity: 40KN
• Certification: ISO9001
• Color: Grey
• Brand: Hrd
• Delivery Time: 30days
• Delivery Way: by Sea
• High-Temperature Performance: Excellent High-Trmperature Resistance
• Electrical Performance: with a Breakdown Voltage of 300-400kv
• Transport Package: Wooden Box
• Specification: Porcelain
• Trademark: HRD
• Origin: China
• Production Capacity: 50000

Product Description

Descriptions:
 

ANSI CLASS	Creepage distance (mm)	Dry arcing distance (mm)	cantilever strength (kN)	Lower frequency flashover voltage		Critical impulse flashover voltage	Test voltage to ground (kV)
				Dry(kV)	Wet(kV)	Positive(kV)
57-5	1145	438	12.5	160	130	265	44

 
1. Line post insulators shall conform in all respects to the requirements of ANSI standard.
2. The insulators shall be made of good commercial-grade wet-process porcelain.The entire surface of the insulator, with the exception of a firing surface, shall be glazed.If gray is required, it shall be in accordance with ANSI Z55.1-1967 (R1973).
3. Metal parts shall be made of a good commercial grade of malleable iron, ductile iron, steel, or
aluminum. Ferrous parts, other than stainless steel, shall be galvanized in accordance with ASTM A153.
 
 
Applications:
 
Post line ceramic insulator for high voltage overhead line transmission.
 
 
Competitive advantages: 
 
1) Small size, light weight, easy to transport and install.
2) High mechanical strength, reliable structure, stable performance.
3) Excellent electrical performance and good stain resistance.
4) Good anti-brittle performance, shock-proof platform, no brittle failure.
5) Exchangeable, interchangeable with ceramic insulators.