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Other loads connected to the power source may produce voltage transients (spikes) that may interfere with or
damage the inverter. Line reactors or filters can be used on the input power to protect the inverter from such
transients.
If the inverter is operated from switchgear devices or is in close proximity to switchgear devices (in a common
cabinet), the following procedures are recommended as a precaution to prevent these devices from
interfering with the inverter’s operation:
• Wire the coils of DC devices with freewheeling diodes. The diodes should be placed as close as
possible to the physical coil of the device.
• Wire the coils of AC devices with RC type snubber networks. Place the snubbers as close as
possible to the physical coil of the device.
• Use shielded cables on all control and monitoring signals.
Route distribution cables (e.g., power and contactor circuits) separately and as far away from control and
monitoring signal cables as possible.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Summary of Contents for WFC1000 Series
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