REXROTH RD 500 Series, Applications Manual

Page: 187 / 276

RD 500 RD51 Electrical Installation of Inverter
6-13
DOK-RD500*RD51*******-IB04-EN-P
Description of Inverter Power Terminals Size Classes C - E
X1 DC link connection
RD51.1-xx-
RD51.3-xx- Type number Execution
022 High current terminal 2 Terminal on mounting rail
030 High current terminal 2 Terminal on mounting rail
037 High current terminal 2 Terminal on mounting rail
045 High current terminal 2 Terminal on mounting rail
055 High current terminal 2 Terminal on mounting rail
075 High current terminal 2 Terminal on mounting rail
090 High current terminal 2 Terminal on mounting rail
110 High current terminal 2 Terminal on mounting rail
Tab. 6-23 Execution
Identification single connection
Identification signification
C DC link connection (IC) L+
D DC link connection (IC) L-
Tab. 6-24 Identification single connection
•
Cross section (PE) min. 10 mm² (AWG 6)
•
steel plate lug on the housing with captive nut
•
... M6 at Size class C and D (torque 4.2 – 5.0 Nm)
•
... M8 at Size class E (torque 12 Nm)
RD51.1-xx-
RD51.3-xx- Cable cross-
section which can be
connected 1), mm² AWG Torque
in Nm
022 25 – 50 3 – 1/0 6.0 – 8.0
030 25 – 50 3 – 1/0 6.0 – 8.0
037 25 – 50 3 – 1/0 6.0 – 8.0
045 25 – 50 3 – 1/0 6.0 – 8.0
055 35 – 95 2 – 4/0 15.0 – 20.0
075 35 – 95 2 – 4/0 15.0 – 20.0
090 50 – 150 1/0 – 300MCM 25.0 – 30.0
110 50 – 150 1/0 – 300MCM 25.0 – 30.0
1): As a result of the terminal size
Tab. 6-25 Connection cross-section
See table.
Execution
Protective conductor connection
Connection cross-section
Torque