High voltage ceramic pin type ANSI 55-4 insulator

Category: Pin Type Insulator

High voltage ceramic pin type ANSI 55-4 insulator

Pin type porcelain insulators
ANSI Class		55-1	55-2	55-3	55-4	55-5	55-6
Dimensions
Diameter	mm	83	95	121	142	178	213
Height	mm	89	83	95	111	124	140
Creepage distance	mm	102	127	178	229	305	381
Dry arcing distance	mm	57	86	114	127	159	203
Minimum pin height	mm	102	102	127	127	152	191
Mechanical Values
Cantilever strength	kn	13.6	11.4	11.4	13.6	13.6	13.6
Electrical Values
Type application voltage	kv	7.2	7.2	11.5	13.2	15	23
Low frequency dry flashover voltage	kv	35	45	55	65	80	100
Low frequency wet flashover voltage	kv	20	25	30	35	45	50
Critical impulse flashover voltage,positive	kv	50	70	90	105	130	150
Critical impulse flashover voltage,negative	kv	70	85	110	130	150	170
Low frequency puncture voltage	kv	50	70	90	95	115	135
Radio influence Voltage Data
Test voltage RMS to ground	kv	5	5	10	10	10	22
Maximum RIV at 1000kHz	μv	50	50	50	50	50	100
Packing and Shipping Data
Net weight,approximate	kg	1.2	1.4	2.4	3.7	6.4	8.5