Current Transformer Small Current · CT5 Series

Features

• ■Designed for a 5 amp. primary (maximum 20 Amp), secondary current 5 ma.
• ■40 - 1,000 Hz. operation.
• ■Customer to supply primary winding (1 turn through open top of transformer bobbin).
• ■Two hole chassis mount or P.C. board pin mount.
• ■Both units have 5 ma. secondary for use with standard AC ammeters with 5 ma.movements.
• ■High accuracy windings (1%)

Application Data

To obtain current measurement:

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Units shown: inch . Switch units to: mm

• ■Pass the wire carrying the current to be measured through the window of the CT transformer (acting as a primary winding).
• ■Connect the CT secondary to an ammeter with a 5 mA movement.