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Important: The relay output contacts must not be connected to any utility
connected circuits.
Reinforced insulation to the utility is required. The relay output contacts have a
maximum rating of 250 Vac/5A.
Remote On/Off
Remote On/Off allows remote control of the power (
on and off.
When contact changes from open to closed, the UPS is switched on (or stays on).
When contact changes from closed to open, the UPS is switched off (or stays off).
Note: On/Off control using the power (
control.
Remote Power Off
RPO is used to disable the UPS remotely. This feature can be used for unpowering
the load and shutting down the UPS by an external event, for example when the
room temperature is too high. When RPO is activated, the UPS disables the output
and all its power converters immediately. The UPS remains on, to alarm the fault.
Important: The RPO circuit is an IEC 60950 safety extra low voltage (SELV) circuit.
This circuit must be separated from any hazardous voltage circuits.
Note: Important notes:
v The RPO must not be connected to any utility-connected circuits. The RPO
v To ensure the UPS stops supplying power to the load during any mode of
Note: Leave the RPO jumper wire installed in the RPO port on the UPS if the RPO
function is not needed.
44
Installation and User's Guide
Normally open
switch must have a minimum rating of 27 Vdc and 20 mA and be a dedicated
latching-type switch not tied into any other circuit. The RPO signal must remain
active for at least 250 ms for proper operation.
operation, the input power must be disconnected from the UPS when the
Remote Power Off function is activated.
) button to switch the UPS
) button has priority over the remote
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