Technical data

8.6 Connection Cable
8.6.1 Dimensioning of Power Cables
Heed the current information on the motor type label and observe the installa-
tion and ambient conditions in your type of application.
The machine/system manufacturer is responsible for selecting the
cable cross-sections.
Observe the regulations of the country where the motors are to be
used. USA: see National Electric Code (NEC), National Electrical
Manufacturers Association (NEMA), Underwriters Laboratories
(UL) regulations as well as local building regulations.
The following table shows the current rating of Bosch Rexroth and PVC cables
depending on the method of installation at an ambient temperature of +40°C.
Cross-
sec-
tion
Current rating ac-
cording to VDE 0298
Part 4, Rexroth ca-
ble in A
eff
Current rating according to EN 60204 PVC cable in A
eff
in mm² Installation mode B2 Installation
type B1
Installation
type B2
Installation
type C
Installation
type E
1,0 13,0 10,4 9,6 11,7 11,5
1,5 15,7 13,5 12,2 15,2 16,1
2,5 22,6 18,3 16,5 21 22
4 29,6 25 23 28 30
6 38,3 32 29 36 37
10 53,0 44 40 50 52
16 71,3 60 53 66 70
25 93,9 77 67 84 88
35 117,4 97 83 104 114
50 146,1 --- --- 123 123
Fig.8-38: Current rating
The current rating is dependent on the way that the cables are installed. The
following figure shows the methods of installation according to EN 60204-1
(1993) and VDE 0298, Part 4.
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Rexroth IndraDyn S | Project Planning Manual
Connection Techniques