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Current transformer measuring laboratory UTT-5M

Offer type: salePublished: 06.04.2019
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Address:Russian Federation, Moscow
KOEMZ sells: the current Transformer measuring laboratory UTT-5M.
Current transformer measuring laboratory UTT-5M is intended for use indoors at alternating current in electric circuits with different dimensions and carrying out calibration of instruments. Their operating free-air temperature is +10...+35 °C, and the absolute humidity at +30 °C shall be not more than 80 %.
Technical parameters current transformer UTT-5M:
The resistivity of the insulation on the primary windings of the transformer relative to its secondary windings and hull elements is more than 40 MW, and the secondary winding against the housing is over 20 MW. The test Voltage for testing alternating current of the primary winding with a frequency of 50 Hz in relation to the secondary winding and the material of the body is – 3 kV, and the secondary winding, relative to the hull elements, equal to 2 kV.
The dimensions of the transformer is not more than 164x131x60 mm, and the diameter of the hole in the center of the device is equal to 37 millimeters. The weight of the device does not exceed 1.5 kilograms. The duration of work continuously up to 8 hours. Cooling time before re-connection is not less than 30 minutes.
Primary nominal current: 15A, 50A, 100A, 150A, 200A, 300A, 600A.
Value rated secondary current transformer: 5A.
The value for the nominal voltage on the primary winding of the transformer UTT-5M, relative to its casing and the secondary winding, is equal to: 660V.
The unit do not change their characteristics at frequency: 60 Hz.
Accuracy class of devices is 0,2.
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