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3-10
Safety Instructions for Electric Drives and Controls
Protection Against Contact with Hot Parts
Hot surfaces at motor housings, on drive
controllers or chokes! Danger of injury! Danger
of burns!
⇒ Do not touch surfaces of device housings and
CAUTION
chokes in the proximity of heat sources! Danger of
burns!
⇒ Do not touch housing surfaces of motors! Danger of
burns!
⇒ According to operating conditions, temperatures can
be higher than 60 °C, 140 °F during or after
operation.
⇒ Before accessing motors after having switched them
off, let them cool down for a sufficiently long time.
Cooling down can require up to 140 minutes!
Roughly estimated, the time required for cooling
down is five times the thermal time constant
specified in the Technical Data.
⇒ After switching drive controllers or chokes off, wait
15 minutes to allow them to cool down before
touching them.
⇒ Wear safety gloves or do not work at hot surfaces.
⇒ For certain applications, the manufacturer of the end
product, machine or installation, according to the
respective safety regulations, has to take measures
to avoid injuries caused by burns in the end
application. These measures can be, for example:
warnings, guards (shielding or barrier), technical
documentation.
Rexroth IndraDyn A
DOK-MOTOR*-MAD/MAF****-PR03-EN-P
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