Porcelain Apparatus Insulator

Type:A-20-1;A-20-2;A-20-3;A-20-4;A-30-1;A-30-2;A-30-3;A-30-4;A-30-5;A-30-6; Application Standard: IEC, ANSI, BS.AS, DIN, GB etc

Apparatus insulator is an assembly of one or more apparatus insulator units.It is mounted on indoor or outdoor apparatus and equipments to support conductors and insulate to ground.

Application Standard: IEC, ANSI, BS, AS, DIN, CAN, GB and etc.Color: light gray, brown, white, sky blue and etc.Non-standard products: Designed by CTC or specified by the customers.

Type	Volt Level kv	Withstand Volt. KV			Canti-lever Strength kN	Torsional Strength N-M	Tensile Strength kN	Compression strength kN	Main Dimensions mm
		Impulse	1Min Low frequency (dry)	Low frequency Dew(10s)					H	D1	D2
A-20-1	4.8	60	19	15	4.4	282.4	8.9	89	88.9	114.3	76.2
A-20-2	7.2	75	26	24	6.7	395.4	13.3	89	114.3	114.3	76.2
A-20-3	13.2	95	36	26	5.6	395.4	13.3	89	152.4	114.3	76.2
A-20-4	14.4	110	500	30	4.4	395.4	13.3	89	190.5	114.3	76.2
A-30-1	4.8	60	19	15	8.9	508.4	15.6	133.4	88.9	152.4	108
A-30-2	7.2	75	26	24	13.3	677.9	22.2	133.4	114.3	152.4	108
A-30-3	13.2	95	36	26	11.2	677.9	22.2	133.4	152.4	152.4	108
A-30-4	14.4	110	50	30	8.9	677.9	22.2	133.4	190.5	152.4	108
A-30-5	23.0	125/550	60	40	6.7	677.9	22.2	133.4	266.7	152.4	108
A-30-6	34.5	150/200	80	---	5.6	677.9	22.2	133.4	381	152.4	708

Porcelain Apparatus Insulator