Preventing The Passage Of Switching Surge - YASKAWA GA700 Technical Manual

High performance type; 200 v class: 0.4 to 110 kw; 400 v class: 0.4 to 355 kw

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2.21 Preventing the Passage of Switching Surge

Connecting a Surge Protective Device

A surge protective device suppresses surge voltage generated from switching an inductive load near the drive.

Inductive loads include magnetic contactors, electromagnetic relays, magnetic valves, solenoids, and magnetic

brakes. With inductive loads, always use a surge protective device or diode.

Always use a surge protective device or diode when operating with an inductive load.

YASKAWA ELECTRIC SIEP C710617 01B YASKAWA AC Drive GA700 Technical Manual