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Should we use fuses for the control power of meter.

Published date: 29 June 2019

You should include fuses at the control power terminals.
L1 and L2 are non-polarized. If using an AC power supply with  neutral, connect neutral to the meter’s L2 terminal.
Always use a fuse on L1. Fuse L2 when connecting an ungrounded neutral to the control power. If using a control power transformer,
fuse both primary and secondary sides of the transformer. The fuses / circuit breakers must be rated for the installation voltage and sized
for the available fault current.

Kindly find the attachment for the instruction.


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