3 x 4000
3 x 1330
3 x 550
3 x 250
-20°C
130°C
145°C
150°C
155°C
165°C
Gearless Lift Machine
WSG-TB
Operating Instructions
Subject to changes without notice ! Subject to changes without notice !
EN
Short-circuiting the motor terminals
• The motor terminals of the synchronous lift machines, type WSG, can be short-circuited, if required, to brake
the lift machine faster.
• However, this is only permissible at speeds less than or equal to the rated speed of the respective motor.
PTC thermistors
The maximum operating voltage of the PTC thermis -
tors is not allowed to exceed 25 V DC
To achieve the maximum precision, the
measurement voltage per PTC thermistor must not
exceed 2.5 V DC.
Cable cross-section required:
The currents specified under the machine data refer to duty type S3-40%. This must be taken into account
when selecting the cable cross-section required. The continuous r.m.s. value required for the selected cable is
approximated from:
I
r.m.s. (cable).
»
I
N (motor, S3-40%)
/ 1,58
The table on the right gives the
standard values
for
the current-carrying capacity of PVC cables at a
maximum ambient temperature of 40°C.
Temperature
R
e
si
st
a
n
ce
[
]
Cable cross-
section
required
Permissible max.
current
(r.m.s. value)
Permissible max.
motor current I
N
(S3 - 40%)
1.0 mm
2
13.1 A
20.7 A
1.5 mm
2
15.7 A
24.8 A
2.5 mm
2
22.6 A
35.7 A
4.0 mm
2
29.6 A
46.7 A
Gearless Lift Machine
WSG-TB
Operating Instructions
Code
GM.8.004610.FR
Date
14.05.2018
Statut
0.01
Page
11
Subject to changes without notice ! Subject to changes without notice !
EN
Summary of Contents for WSG-TB.3 series
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