Composite Insulators Post Insulator Type For High Voltage Overhead Power Transmission Line

Composite post insulators should be took tests of cantilever strength upright, tensile strength, compression strength, and torsional strength.

Standard: IEC 62231, ANSI C29.19

Type	Normal voltage(kV)	Rated bending (kN)	Rated mechanical torque(kN)	Wet power frequency withstand voltage(kV)	Full wave lighting impulse withstand voltage(kV)
FZSW1-12/4	12	4	0.6	30	75
FZSW1-24/8	24	8	1.5	50	125
FZSW1-40.5/6	40.5	6	1.5	80	185
FZSW2-126/4	126	4	3	230	500
FZSW2-126/8	126	8	4	230	500
FZSW3-126/12.5	126	12.5	6	230	500
FZSW1-252/8	252	8	4	500	1000
FZSW3-252/12.5	252	12.5	6	500	1000
FZSW-1150-8	126	8	4	230	500
FZSW-1150/12.5	126	12.5	6	230	500

Type	Length H±1	Creep distance	Minimal arc distance	Diameter of Umbrella skirt	Diameter of epoxy mandrel	Umbrella skirt D/d	center distance of Upper and lower flange mounting hole a1-a2	Upper flange hole 4-d1	lower flange hole 4-d2
FZSW1-12/4	215	270	125	Φ100	Φ24	3	Φ76/Φ76	M12	Φ13
FZSW1-24/8	305	400	215	Φ130	Φ35	3	Φ76/Φ76	M12	Φ13
FZSW1-40.5/6	445	750	335	Φ130	Φ40	6	Φ76/Φ76	M12	M12
FZSW2-126/4	1220	2900	1075	Φ190/Φ150	Φ70	14/13	Φ127/Φ178	M16	Φ18
FZSW1-126/8	1150	2900	1005	Φ190/Φ150	Φ70	13-Dec	Φ127/Φ200	M16	Φ18
FZSW3-126/12.5	1150	3150	1005	Φ210/Φ170	Φ80	14/13	Φ140/Φ254	M16	Φ18
FZSW1-252/8	2300	5800	2150	Φ190/Φ150	Φ70	26/24	Φ127/Φ200	M16	Φ18
FZSW3-252/12.5	2300	6300	2150	Φ210/Φ170	Φ80	28/26	Φ127/Φ254	M16	Φ18
FZSW1-1150-8	1150	2900	990	Φ190/Φ150	Φ70	13-Dec	Φ200/Φ200	M18	Φ18
FZSW3-1150-12.5	1150	3150	990	Φ210/Φ170	Φ80	14/13	Φ254/Φ254	M18	Φ18