I. UP-2210 meter has 3 isolated voltage inputs + reference (the range is stated on the front
label). The voltage inputs are designed for the direct measurement of line-to-neutral voltages
in low voltage networks as well as for connection to potential transformers (PT) secondary
circuit in high voltage networks. Remember to connect the polarities correctly, because
incorrect polarity on the voltages channels will shift the voltage signal through 180°,
affecting the power calculations. Connect the voltage channels in accordance with the wiring
diagrams later in this manual. The voltage inputs should be connected with 0,25 – 2,5 mm
2
(23 - 12 AWG) cable. Local installation regulation must always be considered. For stranded
cables we recommend fitting with a connector.
Note: When connecting to CT or PT existing ones are preferably used. For new installations
we recommend same type/class as being used in metering circuits.
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