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Bosch Rexroth AG
Connection system
9.3
Power connection double cabling
Rexroth MAD and MAF Motors in EX px d Design acc. to ATEX Directive 2014/34/EU
①
Motor
②
Terminal boxes
③
Holding brake (option)
④
Equipotential bonding motor
⑤
Equipotential bonding machine
⑥
Connection designations on the Rexroth drive controller
⑦
Purge gas ducts to the control device of motor purging
Fig. 9-4:
Connection scheme for double cabling in Ex-areas
●
The brake connections are assigned only if the motor was
manufactured with the "brake" option.
●
Only one contact pair of PTC thermistor connections 3-4 and
5-6 is connected to the motor cable.
●
Do not remove or damage the seal glued into the cover.
●
Observe the size of the threaded cable connection and con‐
nection thread for the cable inlet into the terminal box.
●
The connections of the motor windings in the terminal box
may not be removed.
●
The through hole into the motor housing should not be
closed or sealed.
DOK-MOTOR*-IDYN*A*EXPD-IB05-EN-P