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Current Transformers (CT's)
Current transformers are used for the measurement of electric alternating currents. When current in a circuit (primary current) is too high to directly apply to measuring instruments, a current transformer produces a reduced current (secondary current) accurately proportional to the current in the circuit, which can be conveniently connected to measuring and recording instruments. A current transformer also isolates the measuring instruments from what may be very high voltage in the monitored circuit. Relationship between primary and secondary currents is called rated transformation ratio.
• Wide range of accuracy classes: 0.2S, 0.2, 0.5, 1 • Wide range of supported primary currents, the dimensions of rails, the length of casing and hole diameters. • Multiple mounting methods, including wall mounting, 35mm DIN rail, the conductor, a current bar. • Shields designed to seal connections.
