ANSI 52-9A Series Porcelain Suspension Insulators

ANSI Standard Porcelain Suspension Insulators for Power Transmission

Product Detail

44kn ANSI 52-9 Disc Suspension Porcelain Insulator with clevis (5)

ANSI CLASS			52-1	52-2	52-3	52-4	52-5	52-6	52-8	52-9A	52-9B	52-10
Fig No.			1	2	3	4	3	4	3	5	6	4
Main Dimension	D		165	190.5	254	254	254	254	280	114	133	280
Main Dimension	H		140	146	146	146	146	146	146	159	159	165
Leakage Distance (mm)			178	210	292	292	292	292	280	171	171	280
Power-Frequency Puncture Voltage (kV)			80	90	110	110	110	110	110	80	80	110
Average Flashover Voltage	Power Frequency	Dry (kV)	60	65	80	80	80	80	80	60	60	80
	Power Frequency	Wet (kV)	30	35	50	50	50	50	50	30	30	50
	Critical-Impulse 1.5x40us Wave	Positive (kV)	100	115	125	125	125	125	125	110	110	125
	Critical-Impulse 1.5x40us Wave	Negative (kV)	100	115	130	130	130	130	130	90	90	130
Radio-Influence Voltage	Test Voltage to ground (kV)		7.5	7.5	10	10	10	10	10	7.5	7.5	10
Radio-Influence Voltage	Maximum RIV at 1000kHz (uV)		50	50	50	50	50	50	50	50	50	50
Rated E&M Failing Load (kN)			44	70	70	70	111	111	160	44	44	160
Tension Proof Load (kN)			22	35	35	35	55.5	55.5	80	22	22	80
Impact Strength (N.m)			5	5.5	6	6	7	7	10	5	5	10