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Pin Type Insulators-4

The following pin insulators comply with the ANSI Standard.

The glaze colour of the insulators are brown, light gray, white, etc...

Fig					1	2	3
Class BS					Pw-11-Y	Pw-22-Y	Pw-33-Y
Main Dimensions (mm)			H		185	255	320
			h		52.63	52.63	52.63
			D		170	170	170
			d		76	76	76
			d1		27.78	27.78	27.78
			R1		16	16	16
			R2		16	16	16
Nominal Voltage(kV)					15	22	33
Creepage Distance(mm)					432	673	851
Minimum Flashover Voltage	Power-frequency			Dry/kv	100	125	140
	Power-frequency			Wet/kv	65	95	110
	50%Impulse positive				150	190	210
Withstand voltage	One minute power-frequency			Dry/kV	90	110	125
	One minute power-frequency			Wet/kV	60	90	100
	Impulse/kV				140	180	200
Radio-Influence Voltage Data		Test Voltage to Ground/kV			22	30	44
Radio-Influence Voltage Data		Maximum RIV at 1000kHz(kV)			12000	16000	25000
Power-Frequency Puncture Voltage /kV					150	200	210
Cantilever Failing Load(kN)					11	11	11