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C4TL/C5TL
Three-phase current transformers for usage with UMC

The current transformers CT4L and CT5L are accessories for the Universal Motor Controllers UMC100.
At motor currents > 63A an additional external current transformer is needed.
With only four types the nominal current range can be extended up to 850A.

Main features

  • For usage with UMC and nominal motor currents >63 A
  • Only four types for Ie up to 850 A
  • CT with linear characteristics

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The motor current flows through the current transformer.
The UMC measures the secondary current (4 A at nominal current) and calculates the real current based on the parmater setting ‚Current Factor‘.
More information how to set this parameter is available in the UMC manuals.