Current transformers - TIP

TI SERIES

TIP

Measuring transformers

The short circuit on terminals or the connection to earth can be achieved by the double fast-on or connecting two wires on the same terminal.

Protection transformers

The C.T. when used as a current generator for protection relays has electrical characteristics which differ from those of the measuring transformer.

In fact, the measuring C.T. is expected to give a saturation of the magnetic circuit with 5P in primary currents, while in the case of protective C.T., it is necessary for the secondary current value to follow the increase in the primary current up to 10-15-20In, so as to guarantee the intervention of the relay in the case of unforeseen breakdown current.

It is important not to load the C.T. with a P performance which is greater than that indicated, so as not to modify the saturation value of the C.T.

P=R∗I2

P = Load on the C.T.

R = Resistance of the relay and resistance of the cables

I = Nominal secondary current of the C.T.

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TIP40A

TIP50A

TIP100A

TIP150A

TIP200A

TIP250A

TIP300A

TIP400A

TIP500A

LBL_INT_E40 A50 A100 A150 A200 A250 A300 A400 A500 A
LBL_INT_S5 A5 A5 A5 A5 A5 A5 A5 A5 A
Class331/30,5 / 1 / 31 / 31 / 30,5 / 1 / 30,5 / 1 / 30,5 / 1 / 3
Rating1 VA1,5 VA2,5 VA / 5 VA2 VA / 5 VA / 10 VA4 VA / 8 VA6 VA / 12 VA6 VA / 8 VA / 12 VA6 VA / 10 VA / 12 VA6 VA / 10 VA / 12 VA
Frequency50 - 60 Hz50 - 60 Hz50 - 60 Hz50 - 60 Hz50 - 60 Hz50 - 60 Hz50 - 60 Hz50 - 60 Hz50 - 60 Hz
Thermic short circuit current40 IpN 1 seg.40 IpN 1 seg.40 IpN 1 seg.40 IpN 1 seg.40 IpN 1 seg.40 IpN 1 seg.40 IpN 1 seg.40 IpN 1 seg.40 IpN 1 seg.
Dynamic short circuit current2,5 I th 1 seg.2,5 I th 1 seg.2,5 I th 1 seg.2,5 I th 1 seg.2,5 I th 1 seg.2,5 I th 1 seg.2,5 I th 1 seg.2,5 I th 1 seg.2,5 I th 1 seg.
Permanent overloading120% Icth120% Icth120% Icth120% Icth120% Icth120% Icth120% Icth120% Icth120% Icth
InsulationIn air, Class EIn air, Class EIn air, Class EIn air, Class EIn air, Class EIn air, Class EIn air, Class EIn air, Class EIn air, Class E
Test voltage3kv (50Hz) 1 min.3kv (50Hz) 1 min.3kv (50Hz) 1 min.3kv (50Hz) 1 min.3kv (50Hz) 1 min.3kv (50Hz) 1 min.3kv (50Hz) 1 min.3kv (50Hz) 1 min.3kv (50Hz) 1 min.
Protection degreeIP30IP30IP30IP30IP30IP30IP30IP30IP30
Ambient temperature-20ºC a 40ºC-20ºC a 40ºC-20ºC a 40ºC-20ºC a 40ºC-20ºC a 40ºC-20ºC a 40ºC-20ºC a 40ºC-20ºC a 40ºC-20ºC a 40ºC
StandardsEN 60044-1EN 60044-1EN 60044-1EN 60044-1EN 60044-1EN 60044-1EN 60044-1EN 60044-1EN 60044-1
MountingScrews and DIN railScrews and DIN railScrews and DIN railScrews and DIN railScrews and DIN railScrews and DIN railScrews and DIN railScrews and DIN railScrews and DIN rail
Weight0,3 kg0,3 kg0,3 kg0,3 kg0,5 kg0,7 kg0,7 kg1 kg1 kg
Dimensions58x70x97 mm58x70x97 mm58x70x97 mm58x70x97 mm75x70x109 mm75x70x109 mm75x70x109 mm105x85x131 mm105x85x131 mm
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