Current transformer I561 (I-561, I 561)
Current transformer I561 is designed to convert the current in electrical measurements from 0.5A to 100A into 5A current in single-phase 50 Hz AC circuits, and is also used as an example for current transformers calibration.
Permissible error limits of accuracy class 0.02.
Nominal values of primary current - 0.5A, 1A, 2.5A, 5A, 10A, 15A, 20A, 30A, 40A, 50A, 60A, 80A, 100A.
The range of primary current measurement - 2%-120%
The nominal value ofsecondary current-5A.
Rated voltage of primary winding to secondary winding and devices body - 660V
The nominal value of the secondary load of current transformer I561 - 5V • A according to power factor 1.
The normal frequency range - 45Hz-65Hz.
Power consumption at nominal values of primary current 0.5 A and 100 A is less than 15V∙ A and 40V ∙ A.
Continuous operation time at rated current values is up to 8 hours.
The uptime ratio to inactivity interval duration - not more than 4.
Dimensions of current transformer I561 – 400x300x130mm.
Weight - 25kg.
The manufacturer guarantees that the quality of devices mikroteslametr G79 corresponds to the technical requirements TR, if consumering the terms and conditions of storage, transportation, installation, operation, established by the technical conditions and operational documents.
Photos: I561 (И561)