II
0B
SAFEFY INSTRUCTION
This chapter contains important safety instructions that you must follow when operating the AC
power supply and when keeping it in storage. Read the following before any operation to insure
your safety and to keep the best condition for the instrument.
Safety Symbols
The following safety symbols may appear in this manual or on the instrument:
WARNING
Identifies conditions or practices that could result in injury or loss of
life.
CAUTION
Identifies conditions or practices that could result in damage to the
instrument or to other properties.
DANGER
High voltage
ATTENTION
Refer to the manual
Protective conductor terminal
Earth (ground) terminal
Safety Guidelines
CAUTION
Before plugging into local AC mains, check and make sure that the
output voltage is compatible to the load. (It is suggested to disconnect a
load before plugging into local AC mains.
Do not use this instrument near water.
Do not operate or touch this instrument with wet hands.
Do not open the casing of the instrument when it is connected to AC
mains.
Avoid touch the metal contact part of the output terminals.
Do not use the instrument in an atmosphere which contains sulfuric acid
mist or other substances which cause corrosion to metal.
Do not use the instrument in a dusty place or a highly humid place as
such will cause instrument reliability degradation and instrument
failures.
Install the instrument in a place where is free from vibration.
Install the instrument in a place where the ambient temperature is in
range of -20~60
℃
. Note that the instrument operation may become
unstable if it is operated in an ambient temperature exceeding the range
of 0~40
℃
Power supply
WARNING
AC Input voltage: 220V (single phase) /380V (three phase) ±10%, 50/60Hz
Connect the protective grounding conductor of the AC power cord to an
earth ground to avoid electrical shock.
Fuse
WARNING
Make sure the correct type of fuse is installed before power up.
Replace the AC fuse with the same type and rating as the original fuse.
Disconnect the power cord before fuse replacement.
Make sure the cause of fuse blowout is fixed before fuse replacement.
