Electrical Installation
3
3.13 Prevent Switching Surge
SIEPYEUOQ2A01G AC Drive Q2A Technical Manual 109
3.13 Prevent Switching Surge
◆ Connect a Surge Protective Device
A surge protective device decreases the surge voltage that is generated from switching an inductive load near the
drive. Inductive loads include:
• Magnetic contactors
• Electromagnetic relays
• Magnetic valves
• Solenoids
• Magnetic brakes.
Always use a surge protective device or diode with inductive loads.
Note:
Do not connect a surge protective device to the drive output side.
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