Delta DPM-C520, Operation Manual

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C h a p t e r 1 Pr o d u c t I n t r o d u c t i o n
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1_ 
Wiring Notes

When the measured current is higher than the rated specification for the device,
consider using an external current transformer (CT).
 When the measured voltage is higher than the rated specification for the device,
consider using an external potential transformer (PT) (line voltage: 35 to 690V AC L-L
or phase voltage: 20 to 400V AC L-N).

Connect only one cord to one plug on the quick connector.
 For the device is accidently unplugged, check the connecting cord and restart.

Maintenance and Inspection Notes
 While cleaning the equipment, be sure to unplug all external power sources first. Use
a dry cloth to clean the equipment’s exterior. DO NOT open the equipment or touch
the wiring inside to prevent personal injury as well as damage to electrical equipment
or other property. DO NOT use aerosol sprays, solvents, or abrasives.