Indian Transformers Company Ltd - Products

Products

High Voltage Instrument Transformers

We specialize in manufacturing of high voltage instrument transformers up to 400 kV. We also offer combined instrument transformers up to 132 kV voltage class. Please see the links on the left for more information.

Current Transformers | Voltage Transformers | Combined Instrument Transformers

Type		CPT 11	CPT 22	CPT 33	CPT 66	CPT 110	CPT 132
Rated System Voltage	kV	11	22	33	66	110	132
Highest System Voltage	kV	12	24	36	72.5	123	145
Power frequency withstand voltage	kV	28	50	70	140	230	275
Lightning impulse withstand voltage	kVp	75	125	170	325	550	650
Frequency	Hz	50
Rated primary current up to	A	4000
Rated secondary current	A	0.5775/1/5
Number of secondary windings		up to 5
Rated short-time thermal current, 1s	kA	80
Rated dynamic current	kA	200
Maximum ouput at class 0.2	VA	200
Thermal limiting output	VA	2500
Accuracy classes		0.1 - 3; P; 3P; PR; PS; PX; TPS; TPX; TPY; TPZ
Insulation class		A/E

Type		DCT 11	DCT 22	DCT 33	DCT 66	DCT 110	DCT 132	DCT 220
Rated System Voltage	kV	11	22	33	66	110	132	220
Highest System Voltage	kV	12	24	36	72.5	123	145	245
Power frequency withstand voltage	kV	28	50	70	140	230	275	460
Lightning impulse withstand voltage	kVp	75	125	170	325	550	650	1050
Frequency	Hz	50
Rated primary current up to	A	4000
Rated secondary current	A	0.5775/1/5
Number of secondary windings		up to 5
Rated short-time thermal current, 1s	kA	80
Rated dynamic current	kA	200
Accuracy classes		0.1 - 3; P; PR; PS; PX; TPS; TPX; TPY; TPZ
Insulation class		A/E

Type		IVT 11	IVT 22	IVT 33	IVT 66	IVT 110	IVT 132	IVT 220
Rated System Voltage	kV	11	22	33	66	110	132	220
Highest System Voltage	kV	12	24	36	72.5	123	145	245
Power frequency withstand voltage	kV	28	50	70	140	230	275	460
Lightning impulse withstand voltage	kVp	75	125	170	325	550	650	1050
Frequency	Hz	50
Maximum output at class 0.2	VA	200
Number of secondary windings		up to 3
Thermal limiting output	VA	2500
Accuracy classes		0.1 - 3; 3P; 6P
Insulation class		A/E

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