Safety Symbols - Delta A1500 Series User Manual

User Manual
A1500
AC Power Source
PROTECTIVE GROUNDING
Make sure to connect the protective grounding to prevent an electric shock before turning on the
power.
NECESSITY OF PROTECTIVE GROUNDING
Never cut off the internal or external protective grounding wire, or disconnect the wiring of protective
grounding terminal. Doing so will cause a potential shock hazard that may bring injury to a person.
FUSES
Only fuses with the required rated current, voltage, and specified type (normal blow, time delay,
etc.）can be used. Do not use different fuses or short-circuited fuse holders. To do so might cause
a shock or fire hazard.
DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE
Do not operate the instrument in the presence of flammable gases or fumes.
DO NOT REMOVE THE COVER OF THE INSTRUMENT
Operating personnel must not remove the cover of the instrument. Component replacement and
internal adjustment can be done by qualified service personnel only.
When install or take off external terminals with hazard voltage, AC input voltage must be cut off or
take action to make safety isolation.
!
!
!
!
!
!
WARNING
!
WARNING !
WARNING
WARNING
Acoustic noise information
This product has sound pressure release holes (which located at same side as operator) with
acoustic noise <65dB (A)
2 │ www.deltaww.com

Safety Symbols

DANGER
- High voltage.
Output of AC power source can provide peak voltage up to 426V, touched by
personnel may lead to death
Attention:
To avoid injury, death of personnel, or damage to the instrument, the
operator must refer to an explanation in the instruction manual.
Protective grounding terminal:
of a fault. This symbol indicates that the terminal must be connected to ground
before operation of equipment.
WARNING
A sign denotes a hazard. It calls attention to a procedure, practice,
condition or the like which may result in injury or death of personnel if it is not
rightly observed.
To protect against electrical shock in case