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Question

What are the conditions for detecting disconnection for Power Controllers G3PX-2[][]EHN-CT that detect disconnection for multiple heaters?

Answer




The disconnection detection conditions are listed below.

1. The load current must be 1 A min.

2. The CT detection current must be 30% or higher of the rated maximum load current.

Note: Increase the number of CT turns if the CT detection current is 30% or less.

3. Up to five heaters can be connected (20% multiple heater disconnection detection characteristics)

Care must be taken because the following phases are not detected by heater disconnection detection.