55/56 series American standard pin insulator-[Quotation-data]--Shanghai Huabang Industrial Business-www.91way.com

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55/56 series American standard pin insulator

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High voltage electrical appliances -- Porcelain insulator

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Shanghai

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China

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Shanghai Beiyuan Industry and Trade Co.,Ltd
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55/56 series American standard pin insulatorDetailed product description：

55/56 series American standard pin insulator American standard grade		55-1	55-2	55-3	55-4	55-5
main want ruler inch	D mm	eighty-three	ninety-five	one hundred and twenty-one	one hundred and forty	one hundred and seventy-eight
	H mm	eighty-nine	eighty-three	ninety-five	one hundred and eleven	one hundred and twenty-four
	h mm	forty-four	thirty-eight	thirty-eight	forty-four	fifty-one
Creepage distance MM		one hundred and two	one hundred and twenty-seven	one hundred and seventy-eight	two hundred and twenty-nine	three hundred and five
Minimum steel foot length MM		one hundred and two	one hundred and two	one hundred and twenty-seven	one hundred and twenty-seven	one hundred and fifty-two
Bending strength Ib (Kn)		3000 (13)	2500 (11)	2500 (11)	3000 (13)	3000 (13)
Power frequency flashover voltage	Dry KV	thirty-five	50/45	65/55	70/65	85/80
Power frequency flashover voltage	Wet KV	twenty	twenty-five	35/30	40/35	forty-five
Impulse flashover voltage	Positive kV	fifty	75/70	100/90	110/105	140/130
Impulse flashover voltage	Negative kV	seventy	95/85	130/110	140/130	170/150
Power frequency breakdown voltage KV		fifty	seventy	ninety	ninety-five	one hundred and fifteen
Ground testing radio interference voltage kV		five	five	ten	ten	fifteen
Maximum radio interference voltage kv at 1MHz		2500/50	2500/50	5500/50	5500/50	8000/100
drawing number		sixteen	seventeen	eighteen	eighteen	eighteen

American standard grade		56-1	56-2	56-3	56-4	56-5
main want ruler inch	D mm	one hundred and ninety-one	two hundred and twenty-nine	two hundred and sixty-seven	three hundred and five	three hundred and forty-three
	H mm	one hundred and forty-six	one hundred and sixty-five	one hundred and ninety-one	two hundred and forty-one	three hundred and eighteen
	d mm	eighty-nine	one hundred and two	one hundred and two
	d1 mm	thirty-five	thirty-five	thirty-five	thirty-five	thirty-five
	h mm	fifty-one	fifty-one	fifty-one	fifty-one	fifty-one
	R1 mm	nineteen	nineteen	nineteen	nineteen	nineteen
	R2 mm	fourteen	fourteen	fourteen	nineteen	nineteen
Creepage distance MM		three hundred and thirty	four hundred and thirty-two	five hundred and thirty-three	six hundred and eighty-five	eight hundred and sixty-four
Minimum steel foot length MM		one hundred and fifty-two	one hundred and seventy-eight	two hundred and three	two hundred and fifty-four	three hundred and five
Bending strength Ib (kn)		2500（11）	3000（13.2）	3000（13.2）	3000（13.2）	3000（13.2）
Power frequency flashover voltage	Dry KV	ninety-five	one hundred and ten	one hundred and twenty-five	one hundred and forty	one hundred and seventy-five
Power frequency flashover voltage	Wet KV	sixty	seventy	eighty	ninety-five	one hundred and twenty-five
Impulse flashover voltage	Positive KV	one hundred and fifty	one hundred and seventy-five	two hundred	two hundred and twenty-five	two hundred and seventy
Impulse flashover voltage	Negative KV	one hundred and ninety	two hundred and twenty-five	two hundred and sixty-five	three hundred and ten	three hundred and forty
Power frequency breakdown voltage KV		one hundred and thirty	one hundred and forty-five	one hundred and sixty-five	one hundred and eighty-five	two hundred and twenty-five
Ground test voltage, radio interference voltage, KV		fifteen	twenty-two	thirty	thirty	forty-four
Maximum radio interference voltage KV at IMHZ		one hundred	one hundred	two hundred	two hundred	two hundred
drawing number		nineteen	nineteen	twenty	twenty	twenty-one

55/56 series American standard pin insulator

55/56 series American standard pin insulator（schematic diagram）