Hammond Manufacturing CT5CF Current Transformer Indoor Toroidal

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:

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

Specifications