5) Connecting power to the control circuit, separating from main power
When the protection circuit of inverter is activated and the electromagnetic contactor on the input
supply to the inverter isolates the power supply, the control circuit power supply from the inverter will
also switch off and the alarm output signal will not be hold.
The power terminals R0 and T0 are designed to allow a supply to go direct to the control circuit and
therefore keep the alarm output signal on.
In this case, please connect power terminals R0 and T0, to the primary side of the electromagnetic
contactor.
(Inverter unit side of ACL, EMI filter, on using input ACL, EMI filter).
(Connection)
[3] Connect power supply for control
circuit power terminals.
The specification of the receiving voltage
200
240V
10%(50/60Hz
5%)
(DC 282
339V)
380
480V
10%(50/60Hz
5%)
(DC 537
678V)
[1] Remove the wires connected.
[2] Take off the wire of J51
When you wire the control circuit power source (R0-T0) and the main circuit power source (R, S, T)
separately. Please connect the 3A fuse to the power source electric wire, which is for the control circuit.
N300 INSTRUCTION MANUAL
Chapter 2 Installation and Wiring
Summary of Contents for hiRUN N300-055H
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