Bosch Rexroth EC302 - 14 Troubleshooting; 15 Technical Data

62/72 Bosch Rexroth AG EC30X | 3 609 929 728/2014-01
14 Troubleshooting
Malfunctions and information on errors are
displayed in the tightening system and/or in
its operating program, e.g. the BS350.
 If you are not able to remedy an occur-
ring defect, please contact one of the
addresses that you can either find at
http://www.boschrexroth.com or in
section "Service and sales".
15 Technical data
Rexroth is constantly adapting its
technology to the latest standards.
This is why changes in the technical
data of the components cannot be
excluded.
Tab. 10: Technical data of the servomotor
Size Unit EC302 EC303 EC304 EC305
Order number 0 608 701 … …016 …017 …018 …019
Maximum tor-
que
M
S
Nm 0,7 1,4 3,2 8,5
max. permis-
sible direct cur-
rent
I
max DC
A 7 14 28 45
max. speed n
max
min
-1
± 20 000 ± 20 000 ± 20 000 ± 10 000
max. ambient
temperature
T
air
°C 0…55 0…55 0…55 0…55
max. housing
temp.
T
Hous
°C 100 100 100 100
Protection
class
1)
1)
Protection class of the entire tightening spindle; at measurement transducer and motor, the electrical
interfaces have to be closed with protective caps or the measurement transducer cable has to be
plugged in.
IP 54 IP 54 IP 54 IP 54
Weight M kg 0,8 1,4 2,8 6,4
for operation at
the servo ampli-
fier
LT303 LT303/
LT304
LT304/
LT305
LT305