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Question
What should I be aware of when wiring the power supply and input devices for the H3CR-A/H[]RL Analog Timers?
Answer
For the power supply of the input device (*1) of the H3CR-A/H[]RL, use an isolating transformer (*2) with the primary and secondary windings mutually isolated and the secondary winding not grounded.
Correct Wiring Example
Incorrect Wiring Example
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