MV LV Indoor-Outdoor Current and Voltage Transformer

33kV Current transformer Wound type

Window type Current transformer PS class

11-33kV Indoor resin cast 26.3kA current transformer

Wound primary 11kV CT single core up to four core

Bar primary 11kV CT single core up to four core

11kV indoor resin cast potential transformer

11kV oil cooled Outdoor Potential transformer

3.3kV 6.6kV 11kV WOUND TYPE RESIN CAST CURRENT TRANSFORMER

Ratio Primary 20A-400A

Secondary 1A/5A

Single dual triple ratio

Burdan :5VA to 20VA

Cores:Metering Accuracy CL-1,0.5,0.5s,0.2,0.2s

Protection: CL-5P10, 5P20, 10P10, 10P20

Differential. CL-PS, Vk value

Fault level ..13.1kA,20kA,25kA for 3secs

Routine tests..HV, Partial discharge, ratio, polarity as per IS 2705…

Standard : IS 2705, IEC -60044

3.3kV 6.6kV 11kV BAR TYPE RESIN CAST CURRENT TRANSFORMER

3.3kV 6.6kV 11kV WINDOW TYPE RESIN CAST CURRENT TRANSFORMER

Ratio Primary 500A-1000A

Secondary 1A/5A

Single dual triple ratio

Burdan :5VA to 20VA

Cores:Metering Accuracy CL-1,0.5,0.2,

Protection: CL-5P10, 5P20, 10P10,

Differential. CL-PS, Vk value

Fault level ..13.1kA,20kA,25kA, 40kA for 3secs

Routine tests..HV, Partial discharge, ratio, polarity as per IS 2705… Bus bar size of 50X10 or 50X8 or 60X10 or 75X10 size of AL or CU..

Standard : IS 2705, IEC -60044

22kV 33kV WOUND TYPE and WINDOW TYPE RESIN CAST CURRENT TRANSFORMER

Ratio

Primary 20A-400A(Wound type)

Primary 500A-1600A(Window type)

Secondary 1A/5A

Single dual triple ratio

Burdan :5VA to 20VA

Cores:Metering Accuracy CL-1,0.5,0.2,0.2s

Protection: CL-5P10, 5P20, 10P10, 10P20

Differential. CL-PS, Vk value

Fault level ..13.1kA,20kA,25kA, for 3secs

Routine tests..HV, Partial discharge, ratio, polarity as per IS 2705… Bus bar size of 50X10 or 50X8 or 60X10 or 75X10 size of AL or CU..(Window type only)

Standard : IS 2705, IEC -60044

3.3kV 6.6Kv 11kV 22kV 33kV V OLTAGE TRANSFORMER

Ratio

Primary ..Primary voltage / root3

Secondary 110V/root3

Burdan :50VA to 200VA

Cores:Metering Accuracy CL-1,0.5,0.2

Protection: CL-3P 5P 10P

Routine tests..Dv/Df, Partial discharge, ratio as per IS 2705… Standard : IS 2705, IEC -60044

11kV 22kV 33kV Current and Voltage TRANSFORMER OUTDOOR OIL COOLED

Ratio Primary 20A-2000A

Secondary 1A/5A

Single dual triple ratio

Burdan :5VA to 20VA

Cores:Metering Accuracy CL-1,0.5,0.5s,0.2

Protection: CL-5P10, 5P20, 10P10, 10P20

Differential. CL-PS, Vk value

Fault level ..13.1kA,20kA,25kA for 3secs

Routine tests..HV, Partial discharge, ratio, polarity as per IS 2705…

Standard : IS 2705, IEC -60044

Ring Type Resin Cast Current Transformer

Ratio	Rated VA burden	Accuracy class
5/1A TO 200/5A	15	1.0
5/5A TO 200/5A	15	0.5
5/1A TO 200/1A	15	1.0
5/1A TO 200/1A	15	0.5
250/5A & 300/5A	15	1.0
250/5A & 300/5A	15	0.5
250/1A & 300/5A	15	1.0
250/1A & 300/5A	15	0.5

LT bar Primary Tape Insulated Current Transformer

415volt LT CT epoxy resin cast

Specifications required for ordering

Ratio
VA Burden
Accuracy Class

Standard Dimension for Tape Wound C.Ts.

Ratio	Approximate Overall Dimensions in mm			Rated Burden VA	Accuracy Class
Ratio	A	B	C	Rated Burden VA	Accuracy Class
50/5A	30	85	50	5	5.0
50/5A	30	85	50	5	5.0
75/5A	30	85	50	5	5.0
100/5A	35	86	50	5	1.0
150/5A	35	85	50	5	1.0
200/5A	50	110	40	10	1.0
250/5A	50	100	45	10	1.0
300/5A	50	100	35	10	1.0
400/5A	60	105	35	15	1.0
500/5A	60	105	35	15	1.0
600/5A	60	105	35	15	1.0
800/5A	105	140	35	15	1.0
1000/5A	105	140	35	15	1.0
1200/5A	105	140	35	15	1.0
1600/5A	115	165	35	15	1.0
1600/5A	115	165	35	15	1.0
2000/5A	116	165	35	15	1.0
2400/5A	130	190	35	15	1.0
2500/5A	130	190	35	15	1.0
3000/5A	130	190	35	15	1.0

Tolerance for A, B, C is +/- 3mm

Ratio Primary 50A-4000A

Secondary 1A/5A

Single dual triple ratio

Burdan :5VA to 20VA

Cores:Metering Accuracy CL-1,0.5,0.5s,0.2,0.2s

Protection: CL-5P10, 5P20,

Differential. CL-PS, Vk value

Fault level ..13.1kA,20kA,25kA for 3secs

Routine tests..HV, Partial discharge, ratio, polarity as per IS 2705…

Standard : IS 2705, IEC -60044

LT Bar Primary CT in moulded case

LT Bar Primary Current Transformer in Moulded Case

Specifications required for ordering

Ratio
VA Burden
Accuracy Class

Round conductors upto 35 mm

Flat bars upto 40 mm * 13 mm

Ratio	Rated VA burden	Accuracy class
50/5A	2.5	3
75/5A	5	3
100/5A	5	3
100/5A	3	1
150/5A	15	3
150/5A	7.5	1
200/5A	15	1
200/5A	5	0.5
300/5A	7.5	0.5
300/5A	5	1
400/5A	15	0.5
500/5A	15	0.5
600-1000/5A	30	0.5

Secondary of 1A can be offered for all the ratios

Features:

CT is housed in attractive & rigid ABS case(color as required)
Easy to slip on busbars upto 40x12mm round conductors upto 35mm
5 types of mounting arrangement available
Secondary Terminal sealing arrangement available(to avoid tampering)
Type tested at ERDA, Baroda

Application:

Very useful for control panels and UPS
Used for revenue metering

Widely used by Electricity boards along with energy meters

Control Transformers

LT Single Phase, 50 Hz Air Cooled Control Transformer upto 3.5kVA

Rating in VA	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	Slot(lXb)	Weight(Kgs)
10 & 15	76	80	100	64	45	8X5	1.150
20 & 30	76	100	100	64	60	8X5	1.700
50 & 60	96	110	110	80	62.5	10X6	2.5
75 & 100	115	120	135	95	70	12X6	3.8
150 & 175	115	130	135	95	82.5	12X6	4.5
200 & 250	126	135	160	108	90	16X8	6.0
300 & 350	155	140	165	128	72	16X8	7
400	155	145	165	128	88	16X8	8.5
500	155	155	165	128	100	16X8	10.5
630	155	160	170	128	112.5	16X8	12
750	185	155	250	160	102	16X8	14
1000	185	155	250	160	102	16X8	15
1500	240	175	270	195	107.5	16X8	21
2000	240	185	270	195	120	16X8	29
2500	240	205	270	195	145	16X8	37
3000	235	235	270	160	145	20X10	42
3500	235	235	270	200	145	20X10	45

Note:
a.) Preferred Rated Primary Voltage : 110V, 240V & 415V
b.) Preferred Rated secondary Voltage : 24V, 48V, 110V, 240V
Tolerance: +/- 3mm

LT Single Pahse, 50 Hz Air Cooled Control Transformer from 4 to 50kVA

Rating in kVA	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	Approx Weight(Kgs)
4 & 5	300	240	450	200	155	65
6 & 7.5	350	260	500	250	155	82
10	400	280	550	300	160	95
15	450	300	600	380	165	120
20	500	350	650	380	165	135
25 & 30	550	375	700	450	185	160
40	600	375	700	450	195	185
50	700	400	750	500	225	210

Note:
a.) Preferred Rated Primary Voltage : 110V, 240V & 415V
b.) Preferred Rated secondary Voltage : 24V, 48V, 110V, 240V
Tolerance: +/- 3mm