User’s Manual UTS1000B/T Series
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Safety Signs
Danger
It indicates possible danger of electric shock, which may cause personal injury
or death.
Warning
It indicates that you should be careful to avoid personal injury or product
damage.
Caution
It indicates possible danger, which may cause damage to this device or other
equipment if you fail to follow a certain procedure or condition. If the “Caution”
sign is present, all conditions must be met before you proceed to operation.
Note
It indicates potential problems, which may cause failure of this device if you fail
to follow a certain procedure or condition. If the “Note” sign is present, all
conditions must be met before this device will function properly.
AC
Alternating current of device. Please check the region’s voltage range.
DC
Direct current of device. Please check the region’s voltage range.
Grounding Frame and chassis grounding terminal.
Grounding Protective grounding terminal.
Grounding Measuring grounding terminal.
OFF
Main power off.
ON
Main power on.
Power
Supply
Standby power supply: when the power switch is turned off, this device is not
completely disconnected from the AC power supply.
CAT I
Secondary electrical circuit connected to wall sockets through transformers or
similar equipment, such as electronic instruments and electronic equipment;
electronic equipment with protective measures, and any high-voltage and
low-voltage circuits, such as the copier in the office.
CAT II
CATII: Primary electrical circuit of the electrical equipment connected to the
indoor socket via the power cord, such as mobile tools, home appliances, etc.
Household appliances, portable tools (e.g. electric drill), household sockets,
sockets more than 10 meters away from CAT III circuit or sockets more than 20
meters away from CAT IV circuit.
CAT III
Primary circuit of large equipment directly connected to the distribution board
and circuit between the distribution board and the socket (three-phase
distributor circuit includes a single commercial lighting circuit). Fixed
equipment, such as multi-phase motor and multi-phase fuse box; lighting
equipment and lines inside large buildings; machine tools and power
distribution boards at industrial sites (workshops).
CAT IV
Three-phase public power unit and outdoor power supply line equipment.
