In section Products you can find information about range of products manufactured by the plant. In case you have any questions to the plant’s employees, or you would like to place an order, kindly complete the form at the foot of the page and specify the product you are particularly interested in. Kindly note that minimum performance specifications are presented in the section. In case you need more detailed engineering and reference information kindly refer to section “Documents”.

Oil-filled current transformers

Oil-filled current transformers are meant for measurement data signal transmission to instruments and control and protection devices in AC installations with frequency of 50 or 60 Hz.

Instrument current transformers are manufactured oil-filled with porcelain external insulation.

Current transformers series TOM

Current transformers series TOM

Current transformers series TOM are designed for the transmission of measurement data to measuring, protection, automation, alarm and control devices in electrical circuits AC frequency of 50 Hz or 60 Hz manufactured for domestic supply, CIS countries and for export to countries with moderate, cold climates.

Current transformers series TOM are manufactured as single stage transformers for voltage of 110, 330, 500 kV, double stage transformers for 750 kV.

Transformers’ external insulation is a porcelain mantle.

Main internal insulation is the paper-oil condenser type insulation located on the eye-ring secondary winding. Transformers are equipped with five secondary windings. The design is leakproof.

Advantages of the transformers are:

  • wide range of products as per nominal primary current and accuracy rating (0,2; 0,5; 0,2S; 0,5S; 5P, 10P);
  • possibility to manufacture products with any combination of accuracy rating and rated secondary load;
  • high reliability and precision of measurements.

The plant uses the software and CADCAM installation which provide for drastic decrease of a product lead time and for quality improvement.

Current transformers series ТФУМ

Current transformers series TFUM

Current transformers series ТФУМ are designed for the transmission of measurement data to measuring, protection, automation, alarm and control devices in electrical circuits AC frequency of 50 Hz or 60 Hz manufactured for domestic supply, CIS countries and for export to countries with moderate climates.

Current transformers series ТФУМ are manufactured for the voltage of 330 kV.

Transformers’ external insulation is a porcelain mantle.

Main internal insulation is paper-oil, condenser type insulation located on the U - shape primary winding. The transformers are equipped with four secondary windings. The design is leakproof. The series features a reduced material consumption.

Advantages of the transformers are:

  • wide range of products as per nominal primary current and accuracy rating (0,2; 0,5; 0,2S; 0,5S; 5P, 10P);
  • possibility to manufacture products with any combination of accuracy rating and rated secondary load;
  • high reliability and precision of measurements.

The plant uses the software and CADCAM installation which provide for drastic decrease of a product lead time and for quality improvement.

Current transformers series ТФЗМ

Current transformers series TFZM

Current transformers series ТФЗМ are designed for the transmission of measurement data to measuring, protection, automation, alarm and control devices in electrical circuits AC frequency of 50 Hz or 60 Hz manufactured for domestic supply, CIS countries and for export to countries with moderate, cold and tropical climates.

Current transformers series ТФЗМ are manufactured single stage for the voltage of 35-220 kV and two stage for the voltage of 500 kV.

Transformers’ external insulation is a porcelain mantle.

Main internal insulation is paper-oil. The windings are link type. Main insulation is located on the primary and secondary windings. The number of secondary windings is two up to five. The transformers are highly reliable in operation.

Advantages of the transformers are:

  • wide range of products as per nominal primary current and accuracy rating (0,2; 0,5; 0,2S; 0,5S; 5P, 10P);
  • possibility to manufacture products with any combination of accuracy rating and rated secondary load;
  • high reliability and precision of measurements.

The plant uses the software and CADCAM installation which provide for drastic decrease of a product lead time and for quality improvement.

To the attention of the Customers: Transformers having multiple transformer ratio multiple are produced for the peak current unless otherwise required by a Customer.

Item Rated primary current, A Rated secondary current, A Quantity of secondary windings Short-time withstand current, kA Short-time electrodynamic current, kA Order Quantity, pcs.
For protection For measurement
ТФЗМ 40,5 I T1 100; 150; 200; 300; 400; 600; 1200 5 2 1 4,6; 7; 9; 14; 18; 28; 56 14; 21; 28; 42; 56; 84; 169
ТФЗМ 40,5 I У1
ТФЗМ 40,5 I УХЛ1
15; 20; 30; 40; 50; 75; 100; 150; 200; 300; 400; 600; 800; 1000 5 1 1 0,6; 0,7; 1,1; 1,5; 1,9; 2,3; 3,5; 5,8; 7; 11,6; 15; 22; 30; 37 3; 4; 6; 8; 10; 15; 21; 31; 42; 63; 84; 127; 107; 134
ТФЗМ 40,5 II–I У1
ТФЗМ 40,5 II-I УХЛ1
15; 20; 30; 40; 50; 75; 100; 150; 200; 300; 400; 600; 800; 1000; 1200; 1500; 2000 5 2 1 0,7; 1; 1,5; 2,1; 2,3; 3,5; 4,7; 7; 10,5; 15; 21; 31; 30; 37; 39; 41; 55 3; 4; 6; 8; 10; 15; 21; 31; 42; 63; 84; 127; 107; 134; 120; 106; 141;
ТФЗМ 40,5 II–II У1 500; 1000; 2000; 3000 1 or 5 2 1 49; 49; 57; 57 125; 125; 145; 145
ТФЗМ 72,5 IV T1 200-400; 600-1200 5 2 1 9-18; 18-36 24-48; 48-96;
ТФЗМ 123 II–I У1
ТФЗМ 123 II–I УХЛ1
50-100; 75-150; 100-200; 150-300; 200-400; 300-600; 400-800 5 2 1 2-4; 3-6; 4-8; 6-12; 8-16; 13-26; 14-28 10-20; 15-30; 21-42; 31-62; 42-84; 63-126; 62-124
ТФЗМ 123 II–III У1
ТФЗМ 123 II–III УХЛ1
750-1500; 1000-2000 1 or 5 2 1 26-52; 34-68 79-158; 106-212
ТФЗМ 123 II–IV У1
ТФЗМ 123 II-IV УХЛ1
100; 150; 200; 300; 400; 600; 750; 1000; 1200; 1500; 2000 1 or 5 3 1 4; 6; 8; 12; 16; 26; 26; 30; 40; 45; 60 20; 30; 42; 62; 84; 84; 84; 90; 120; 150; 200
ТФЗМ 123 II–IV T1 100; 150; 200; 300; 400; 600; 750; 1000; 1200; 1500; 2000 1 or 5 3 1 4; 6; 8; 12; 16; 26; 26; 30; 40; 45; 60 20; 30; 42; 62; 84; 84; 84; 90; 120; 150; 200
ТФЗМ 123 II–IV.1 УХЛ1 100; 150; 200; 300; 400; 600; 750; 1000; 1200; 1500; 2000 1 or 5 3 2 4; 6; 8; 12; 16; 26; 26; 30; 40; 45; 60 20; 30; 42; 62; 84; 84; 84; 90; 120; 150; 200
ТФЗМ 123 III–V УХЛ1 50-100; 75-150; 100-200; 150-300; 200-400; 300-600; 400-800; 500-1000; 600-1200; 750-1500 1 or 5 3 2 2-4; 3-6; 4-8; 6-12; 8-16; 13-26; 14-28; 17-34; 20-40; 26-45 10-20; 15-30; 21-42; 30-60; 42-84; 60-120; 60-120; 50-106; 84-120; 84-150
ТФЗМ 123 III–V.Г УХЛ1 50-100; 75-150; 100-200; 150-300; 200-400; 300-600; 400-800; 500-1000; 600-1200; 750-1500 1 or 5 3 2 2-4; 3-6; 4-8; 6-12; 8-16; 13-26; 14-28; 17-34; 20-40; 26-45 10-20; 15-30; 21-42; 30-60; 42-84; 60-120; 60-120; 50-106; 84-120; 84-150
ТФЗМ 145 III T1
ТФЗМ 145 III–I T1
200-400; 300-600; 500-1000; 600-1200; 750-1500 1 or 5 2,3 1 11-22; 17-34; 17-34; 17-34; 17-34 30-60; 45-90; 45-90; 45-90; 45-90
ТФЗМ 170 I–I У1
ТФЗМ 170 I–I УХЛ1
600-1200 1 or 5 3 1 14-28 52-104
ТФЗМ 170 II–I У1
ТФЗМ 170 II–I УХЛ1
600-1200 1 or 5 3 1 14-28 52-104
ТФЗМ 170 II–II У1
ТФЗМ 170 II–II УХЛ1
1000-2000 1 or 5 3 1 41,6-83,2 113-226
ТФЗМ 245 II–I T1 300-600; 400-800; 600-1200; 750-1500; 1000-2000 1 or 5 3 1 10-20; 9-18; 20-40; 17-34; 19,6-39,2 27-54; 24-48; 54-108; 45-90; 50-100
ТФЗМ 245 II–IV У1
ТФЗМ 245 II–IV УХЛ1
500-1000-2000 1 or 5 3 1 34-68-68 25-50-100
ТФЗМ 245 IV–II T1 300-600; 400-800; 600-1200; 750-1500; 1000-2000 1 or 5 3 1 10-20; 9-18; 20-40; 17-34; 19,6-39,2 27-54; 24-48; 54-108; 45-90; 50-100
ТФЗМ 245 II–III У1
ТФЗМ 245 II–III УХЛ1
200-400-800; 300-600-1200 1 or 5 3 1 4,5-9-18; 9,8-19,8-39,2 12-24-48; 25-50-100
ТФЗМ 245 II–III.1 УХЛ1 600-1200; 1200 1 or 5 3 2 19,6-39,2; 39,2 50-100; 100
ТФЗМ 245 II–IV.1 УХЛ1 500-1000-2000 1 3 1 34-68-68 90-180-180
ТФЗМ 362 III УХЛ1 500-1000-2000; 1500-3000; 2000-4000 1 4 1 34-63-63; 34-63-63; 34-63-63 90-160-160; 90-160-160; 90-160-160;
ТФЗМ 525 II–I У1
ТФЗМ 525 II–I УХЛ1
500-1000-2000 1 3 1 34-68-68 90-180-180
ТФЗМ 525 II T1 1000-2000 1 3 1 20-40 52,5-105
ТФЗМ 525 II–II У1 500-1000-2000 1 3 1 34-68-68 90-180-180
ТФЗМ 525 II–III УХЛ1 500-1000-2000, 1500-3000, 2000-4000 1 4 1 34-68-68; 68-68; 68-68 90-180-180; 180-180; 180-180
ТФЗМ 525 II–IV УХЛ1 500-1000-2000, 1500-3000, 2000-4000 1 4 1 34-68-68; 68-68; 68-68 90-180-180; 180-180; 180-180
TOM 123 III УХЛ1 50-100-200, 75-150-300, 100-200-400, 150-300-600, 300-600-1200, 400-800, 500-1000-2000 1 or 5 5 or 4 1 or 2 4-8-16; 5-10-20; 7-14-28; 10-20-40; 20-40-80; 20-40; 25-50-100 9-18-32; 12-24-48; 16-32-64; 25-50-100; 50-100-200; 50-100; 65-130-260
TOM 362 II–II.Г У1 1000-2000, 1500-3000 1 4 1 63 160
TOM 525 II Н У1 1000-2000, 1500-3000, 2000-4000 1 4 1 47 120
TOM 525 II–II.Н У1 1000-2000, 1500-3000, 2000-4000 1 4 1 47 120
TOM 765 I Г У1 1000-2000, 1500-3000, 2000-4000 1 4 1 47 120
TOM 765 I–I.Г У1 1000-2000, 1500-3000, 2000-4000 1 4 1 47 120
ТФУМ 362 I У1 500-1000-2000 1 or 5 3 1 19,3-38,6-77,2 49,5-99-198
ТФУМ 362 I-II У1 500-1000-2000 1 or 5 3 1 19,3-38,6-77,2 49,5-99-198
ТФУМ 362 I-II.Г У1 500-1000-2000 1 or 5 3 1 19,3-38,6-77,2 49,5-99-198

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