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Alternating current of device. Please check the region’s voltage range.
Direct current of device. Please check the region’s voltage range.
Frame and chassis grounding terminal.
Protective grounding terminal.
Measuring grounding terminal.
Standby power supply: when the power switch is turned off, this device is not
completely disconnected from the AC power supply.
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.
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.
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).
Three-phase public power unit and outdoor power supply line equipment. Equipment
designed to “initial connection”, such as power distribution system of power station,
power instrument, front-end overload protection, and any outdoor transmission line
CE indicates a registered trademark of EU.
UKCA indicates a registered trademark of United Kingdom.
ETL indicates a registered trademark of Intertek.
This product complies with the marking requirements of WEEE Directive
(2002/96/EC). This additional label indicates that this electrical / electronic product
must not be discarded in household waste.
This environment-friendly use period (EFUP) mark indicates that dangerous or toxic
substances will not leak or cause damage within this indicated time period. The