ANSI 57-4 Porcelain Post Line Insulator for Transmission Line

Min.Order: 3,000

Product origin: Zhuzhou, Hunan, China

Infringement complaint:

Complaint

US$ 6.3

Description

ANSI 57-4 porcelain post line insulator for transmission line
specifications
1. original insulator producer
2. superior properties of low and medium temperature resistance;
3. strong aging resistance;
4. nice appearance & long service time.
5. comman glaze and semi-conductor glaze, color brown and gray both available.
6. free sample, professional porcelain insulator supplier.

product description
porcelain spool insulator details and parameters

ANSI CLASS	With long stud	57-1L	57-2L	57-3L	57-4L	57-5L
ANSI CLASS	With short stud	57-1S	57-2S	57-3S	57-4S	57-5S
Fig. No.		1	2	3	4	5
Creepage Distance (mm)		356	559	737	1016	1143
Dry Arcing Distance (mm)		165	241	311	368	430
Cantilever Strength(kN)		12.5	12.5	12.5	12.5	12.5
Power Frequency Flashover Voltage	Dry /kV	70	100	125	140	160
Power Frequency Flashover Voltage	Wet/kV	50	70	95	110	130
Critical Impulse Flashover Voltage	Positive/kV	120	160	200	230	265
Critical Impulse Flashover Voltage	Negative/kV	155	205	260	340	380
Radio Influence voltage	Test Voltage to ground/kV	15	22	30	44	44
Radio Influence voltage	Maximum RIV at 1MHz/uV	100	100	200	200	200