DKM-409 Pro AT User Manual Rev_02 Firmware V-2.5
Although the unit is protected against electromagnetic disturbance, excessive
disturbance can affect the operation, measurement precision and data communication
quality.
ALWAYS remove plug connectors when inserting wires with a screwdriver.
Fuses must be connected to the power supply and phase voltage inputs, in close
proximity of the unit.
Fuses must be of fast type (C) with a maximum rating of 6A.
Use cables of appropriate temperature range.
Use adequate cable section, at least 0.75mm
2
(AWG18).
Follow national rules for electrical installation.
Current transformers must have 5A output.
For current transformer inputs, use at least 1.5mm
2
section (AWG15) cable.
The current transformer cable length should not exceed 1.5 meters. If longer
cable is used, increase the cable section proportionally.
2.4. ELECTRICAL INSTALLATION
Do not install the unit close to high electromagnetic
noise emitting devices like contactors, high current
busbars, switchmode power supplies and the like.
Current Transformers must be used for current
measurement.
No direct connection allowed.
For the correct recording of events, adjust the real
time clock of the unit through programming menu.
Содержание DKM-409 PRO AT
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