APC SU043 Datasheet download pdf (Page 5)

APC Redundant Switch: Installation and Operation Manual 1

Before You Begin

Safety and

grounding

information

Read the following information before installing or operating

your

APC

Redundant Switch.

• Do not work alone under hazardous conditions.

• Check that the power cord, plugs, and sockets are in

good condition.

• To reduce the risk of electric shock when you can not

verify grounding, disconnect the Redundant Switch from

the power outlet before installing or connecting to other

equipment. Reconnect the power cord only after all

connections are made.

• Do not handle any kind of metallic connector before the

power has been removed.

• Use one hand, whenever possible, to connect or

disconnect signal cables to avoid a possible shock from

touching two surfaces with different electrical grounds.

• Connect the equipment to a three-wire

outlet (two

poles plus ground) that is connected to appropriate

branch circuit/mains protection (a fuse or circuit

breaker). Connection to any other type of receptacle may

result in a shock hazard.

• To turn off and disengage the Redundant Switch, press

and hold both

UPS

Off buttons for more than one second

to switch the equipment off, then disconnect the

Redundant Switch from the

power outlet.

• Pluggable equipment includes a protective earth

conductor which carries the leakage current from the

load devices (computer equipment). Total leakage

current must not exceed

3.5

mA.

Electrical

Hazard

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APC SU043 Datasheet Page 5

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