Product Details

Specifications

ANSI Porcelain Strain Insulator
1.Porcelain material
2.Sample is available
3.Factory price
4.ANSI,DIN,AS,BS,SA

ANSI 54-3 Porcelain Strain Insulator

Product Description

About the Porcelain Strain Insulator

Strain insulator - A dead end or anchor pole or tower is used where a straight section of line ends, or angles off in another direction. These poles must withstand the lateral (horizontal) tension of the long straight section of wire. In order to support this lateral load, strain insulators are used. For low voltage lines (less than 11 kV), shackle insulators are used as strain insulators. However, for high voltage transmission lines, strings of cap-and-pin (disc) insulators are used, attached to the crossarm in a horizontal direction. When the tension load in lines is exceedingly high, such as at long river spans, two or more strings are used in parallel.

Pecifications
1.Certificated by IEC ANSI GB ISO9001
2.We can design and produce according to the drawings.
3.We supply insulators with reliable quality reasonable price and good service.
4.We attend 2007 Hannover exhibition, India electricity 2008 exhibition,2008 Hannover exhibition,2009 and 2010 Dubai Middle East electricity exhibition

Specifications

Technical drawings

Technical Specifications

ANSI Class			54-3
Nominal System Voltage/KV			6.6
Main Dimensions/in		H	5-1/2
		h	3-1/8
		h1	4-1/16
		D	3-3/8
		d	2-3/8
		d1	1
Tension Strength/Ib(KN)			20,000(89)
Average Flashover Voltage/KV	Low-frequency(Dry)		35
	Low-frequency(Wet)		18
Leakage Distance/in(mm)			2-1/4(57)
Net Weight/Ib(kg)			2.9(1.3)

Note: In tension test, two loops of suitable wire ropes are used and glaze chips or partial porcelain cracks should be allowed.

Standard Specification: ANSI C29.4

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