Porcelain Bus support insulators

A-10 Class (4.8 kV to 7.2 kV) ; A-20 Class (4.8 kV to 14.4 kV); A-30 Class (4.8 kV to 34.5 kV);

Porcelain Bus support insulators

are porcelain insulators that serve to isolate the bus bar switches and other support structures and to prevent leakage current from flowing through the structure or to ground. These insulators are similar in function to other insulators used in substations and transmission poles and towers.

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 TCI or specified by the customers.

A-10 Class (4.8 kV to 7.2 kV)
Class A-10
Cat. No.	Rating (kV)	Height (in.)	BIL	Cantilever (lbs.) , rated 2 1/2 inches above top
5651	4.8	3.5	60	750
5652	7.2	4.5	75	750
A-20 Class (4.8 kV to 14.4 kV)
Class A-20
Cat. No.	Rating (kV)	Height (in.)	BIL	Cantilever (lbs.) , rated 2 1/2 inches above top
5750	4.8	3.5	60	1,000
5751	7.2	4.5	75	1,500
5752	13.2	6	95	1,250
5753	14.4	7.5	110	1,000
A-30 Class (4.8 kV to 34.5 kV)
Class A-30
Cat. No.	Rating (kV)	Height (in.)	BIL	Cantilever (lbs.) , rated 2 1/2 inches above top
5850-33	4.8	3.5	60	2,000
5851-35	7.2	4.5	75	3,000
5852-33	13.2	6	95	2,500
5853-32	14.4	7.5	110	2,000
5854-33	23	10.5	150	1,500
5855-33	34.5	15	200	1,250

Porcelain Bus support insulators