4.2.6 Connection and use of a braking resistor
CAUTION
Fire risk by using brake resistors !
► Theriskofrecanbesignicantlyreducedbyusing„intrinsically
safe braking resistors“ or by using suitable monitoring functions /
circuits.
NOTICE
Destruction of the frequency inverter if the vale has fallen below
the minimum brake resistance value!
► The minimum brake resistance value must not fall below!
„Device data of the 400 V devices“
CAUTION
Hot surfaces caused by load of the braking resistor!
Burning of the skin!
► Cover hot surfaces safe-to-touch.
► Before touching, check the surface.
► If necessary, attach warning signs on the system.
4.2.6.1 Installation instructions for side-mounted braking resistors
Instructions for the installation of intrinsically safe brak-
ing resistors https://www.keb.de/leadmin/media/Manuals/dr/ma_dr_
safe-braking-resistors-20106652_en.pdf Chapter „Installation in-
structions“.
71
CONNECTION OF THE POWER UNIT
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