Prevent Switching Surge - YASKAWA GA700 Series Technical Manual

Ac drive for industrial applications

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3.13 Prevent Switching Surge

Connect a Surge Protective Device

A surge protective device decreases the surge voltage generated when you switch an inductive load near the drive.

Inductive loads include:

• Magnetic contactors

• Electromagnetic relays

• Magnetic valves

• Magnetic brakes.

Always use a surge protective device or diode with inductive loads.

Do not connect a surge protective device to the drive output side.

YASKAWA SIEPC71061705H GA700 Series Technical Manual