Porcelain pin insulator ShF 20 G1 with plastic sleeve at the top porcelain pin insulators

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Porcelain pin insulator ShF 20 G1 with plastic sleeve at the top

porcelain pin insulators

ANSI Class			SHF-10	SHF-15	SHF-20	SHF-25
Creepage distance,mm			240	270	400	550
Main dimension,mm	D		135	150	175	225
	H		130	150	185	215
	d		31	35	35	35
	h		53	65	65	53
	R1		10	10	10	12.5
	R2		12.5	12.5	12.5	12.5
Cantilever Strength,kN			10	12.5	12.5	12.5
Min Flashover Voltage	Power frequency	Dry,kv	70	90	90	90
	Power frequency	Wet,kv	42	65	65	70
	50% Critical impulse		100	125	135	135
Power Frequency Puncture Voltage,kv			110	140	180	180