China Factory ANSI 57-1 Porcelain Line Post Insulator Best Price

• Application: High-voltage
• Material: Porcelain
• Structure: Pin Insulator
• Type: A Type Insulator
• Usage: High Voltage Power Transmission, Electrical Installation
• Connection Method: Trough Type
• Model NO.: ANSI 57-1
• Certification: CE, ISO9001
• Color: Brown/Gray
• Brand: NJREC or OEM
• Cantilever: 2800lbs.
• Neck Type: F
• Kv Rating: 23
• Transport Package: Wooden Pallet
• Trademark: NJREC
• Origin: China
• HS Code: 85462090

Product Description

Nanjing Rainbow Electric Co.,Ltd manufactures a complete line of wet process porcelain line post insulators for application through 88 kV.
All insulators are solid core wet process porcelain and are manufactured and tested in conformance with ANSI Standard C29.7.

ANSI Class/Standard		ANSI 57-1
Dimensions(ln)
Dring Arcing Distance		4.5
Leakage Distance		7
Mechanical Values(kV)
Cantilever Strength(lbs)		3000lbs
Electrical Values(kV)
Typical Voltage Class		23kV
Low frequency flashover	Dry	80kV
	Wet	70kV
Impluse flashover voltage	Positive	130kV
	Negative	155kV
Radio influence voltage	Test voltage to ground	15kV
	Max. RIV at 1000kHz	100kV
Net Weight(lb)		14.3 lbs