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3.3
Auxiliary Power
ATTENTION
DTS 307 m
eters that have an “A” in the Service Type
field of the model
number (as shown in section 1.3.2) require an external 24Vac/dc
auxiliary power supply to operate.
A separate IEC 60950 compliant isolated 24Vac/dc power supply
MUST be used to power these meters.
•
Connect the external IEC 60950 compliant isolated power supply to the two 24Vac/dc terminals on the
DTS 307 meter as shown on the meter label and in the diagram below.
•
For clarity, the meter voltage terminal and the CT sensors connections are not shown on the diagram
below. Please see sections 3.1 and 3.2 for these connection details.
IEC 60950 Compliant
Isolated Power Supply
G G0