Datakom DKM-411, Руководство пользователя, Страница: 13 / 91

DKM-411 User Manual Rev_01 Firmware V-1.0
K46D03-EN - 13 -
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 (FF) 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.
For the correct recording of events, adjust the real
time clock of the unit through programming menu.
Current Transformers must be used for current
measurement.
No direct connection allowed.
Do not install the unit close to high electromagnetic
noise emitting devices like contactors, high current
busbars, switchmode power supplies and the like.
2.3. ELECTRICAL INSTALLATION