Epoxy Insulators

The Current Transformer ( C.T. ), is a type of “instrument transformer” that is designed to produce an alternating current in its secondary winding which is proportional to the current being measured in its primary. Current transformers reduce high voltage currents to a much lower value and provide a convenient way of safely monitoring the actual electrical current flowing in an AC transmission line using a standard ammeter. The principal of operation of a basic current transformer is slightly different from that of an ordinary voltage transformer.

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Other Designs :

SR. NO.	DRAWING NUMBER	RATING (KV)	A (MM)	D (MM)	B (MM)	E (MM)	H (MM)	NO. OF RIB	C (MM)	INSERT SIZE (I)	INSERTS SIZE (J)	CENTER DISTANCE OF (J-J) (M)	INSERT SIZE (K)	CREEPAGE DISTANCE (MM)	FAILING CANTILIVER LOAD (KGS)	FAILIING COMPRESSION LOAD (KGS)	FAILING TENSILE LOAD (KGS)	WEIGHT (KGS)
1	SEI/EI/5400.1	11	75	64	81	68	130	8	85	M12X21	–	–	M16X40	230	1300	15000	2500	1.07
2	SEI/EI/5400.2	11	75	64	81	68	130	8	85	M16X30	M10X20	46	M20X45	230	1300	15000	2500	1.14
3	SEI/EI/5401.1	33	100	75	100	75	300	16	100	M16X40	–	–	M20X40	620	850	20000	3000	3.40
4	SEI/EI/5401.2	33	100	75	100	75	300	16	100	M16X40	M10X16	46	M24X45	620	850	20000	3000	3.42
5	SEI/EI/5402.1	22	85	65	85	65	210	8	85	M10X20	M6X15	36	M16X38	320	850	15000	2500	1.68
6	SEI/EI/5403.1	11	77	53	77	53	130	6	77	M16X30	M10X16	46	M20X45	250	1000	10000	2000	0.91
7	SEI/EI/5404.1	11	61	46.5	61	46.5	130	5	61	M12X21	–	–	M16X40	178	550	10000	1000	0.59
8	SEI/EI/5404.2	11	61	46.5	61	46.5	130	5	61	M10X20	M6X10	36	M16X30	178	550	10000	1000	0.58
9	SEI/EI/5404.3	11	61	46.5	61	46.5	130	5	61	M10X20	M6X20	35	M16X45	178	550	10000	1000	0.59
10	SEI/EI/5405.1	12	77	56	77	56	130	7	77	M16X28	–	–	M20X34	240	1000	10000	2000	0.91

Technical Specification

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