The control transformer has electrically isolated windings according to EN61558-2-2, and is used to supply auxiliary circuits. Control transformers have a low voltage drop under inductive load. In electrical systems, a control transformer must be provided in accordance with DIN VDE 0113 Part 1 if: Machines and installations have more than 5 electromagnetic actuating coils, relays, contactors, etc., control and signalling devices are mounted outside control cabinets and machines or if electronic control or signalling circuits are to be supplied.
Input voltage: ≤1100V
Frequency: ≤ 500 Hz
Maximum power for single-phase transformers: 25 KVA
Maximum power for three-phase transformers: 40 KVA
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