Protection Against Electric Shock By Protective Low Voltage (Pelv) - Bosch Rexroth IndraDrive Project Planning Manual
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- Applications manual (100 pages) ,
- Troubleshooting manual (437 pages) ,
- Instruction manual (26 pages)
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3-6
Safety Instructions for Electric Drives and Controls
3.6
Protection Against Electric Shock by Protective Low
Voltage (PELV)
To be observed with electrical drive and filter components:
High electrical voltage on the housing!
High leakage current! Danger to life, danger of
injury by electric shock!
⇒
Connect the electrical equipment, the housings of all
DANGER
electrical units and motors permanently with the safety
conductor at the ground points before power is
switched on. Look at the connection diagram. This is
even necessary for brief tests.
Connect the safety conductor of the electrical
⇒
equipment always permanently and firmly to the
supply mains. Leakage current exceeds 3.5 mA in
normal operation.
Use a copper conductor with at least 10 mm² cross
⇒
section over its entire course for this safety conductor
connection! The cross section must not be smaller
than the cross section of a phase of the mains supply
wire.
⇒
Prior to startups, even for brief tests, always connect
the protective conductor or connect with ground wire.
Otherwise, high voltages can occur on the housing
that lead to electric shock.
All connections and terminals with voltages between 0 and 50 Volts on
Rexroth products are protective low voltages designed in accordance with
international standards on electrical safety.
High electrical voltage due to wrong
connections! Danger to life, bodily harm by
electric shock!
⇒
Only connect equipment, electrical components and
WARNING
cables of the protective low voltage type (PELV =
Protective Extra Low Voltage) to all terminals and
clamps with voltages of 0 to 50 Volts.
⇒
Only electrical circuits may be connected which are
safely isolated against high voltage circuits. Safe
isolation is achieved, for example, with an isolating
transformer, an opto-electronic coupler or when
battery-operated.
Rexroth IndraDrive
DOK-INDRV*-ADDCOMP****-PR02-EN-P
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