SM800 DELTA ELEKTRONIKA BV
October 2007 SAFETY INSTRUCTIONS Page 2 - 1
Safety Instructions
Caution
The following safety precautions must be observed during all phases of operation, service and
repair of this equipment. Failure to comply with the safety precautions or warnings in this document
violates safety standards of design, manufacture and intended use of this equipment and may
impair the built-in protections within.
Delta Elektronika shall not be liable for user’s failure to comply with these requirements.
Installation Category
The Delta Elektronika power supplies have been evaluated to installation category II.(Over voltage
category II)
Grounding
This product is a safety Class 1 instrument. To minimize shock hazard, the instrument chassis
must be connected to the AC Power Supply mains through a tree or four conductor power cable for
resp. a single or three phase unit, with the ground wire firmly connected to an electrical ground
(safety ground) at the power outlet.
For instruments designed to be hard-wired to supply mains, the protective earth terminal must be
connected to the safety electrical ground before another connection is made. Any interruption of
the protective ground conductor, or disconnection of the protective earth terminal will cause a
potential shock hazard that might cause personal injury.
Fuses
Fuses must be changed by authorized Delta Elektronika service personnel only, for continued
protection against risk of fire.
Input Ratings
Do not use an AC Supply which exceeds the input voltage and frequency rating of this instrument.
The input voltage and frequency rating of the Delta Elektronika power supply series are stated in
the accompanying datasheet.
Live Circuits
Operating personnel must not remove the instrument cover. No internal adjustment or component
replacement is allowed by non Delta Elektronika qualified personnel. Never replace components
with the power cable connected. To avoid injuries, always disconnect power, discharge circuits and
remove external voltage sources before touching components.
Parts Substitutions & Modifications
Parts sub sti tu tions and mod i fi ca tions are al lowed by au tho rized Delta Elektronika ser vice per son nel
only. For re pairs or mod i fi ca tions the unit must be re turned to a Delta Elektronika ser vice facility.
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