Owner manual

Chapter 3 Installation and Wiring
3-11
Protection Circuit C: this protection circuit can be used for DC load power circuits.
Use a diode with the following ratings:
• Reverse withstand voltage: power voltage of the load circuit x 10.
• Forward current: more than the load current.
Protection Circuit D: this protection circuit can be used for both AC and DC load power circuits.
Output Q
COM
Inductive load
Output Q
COM
Inductive load
or