SIEMENS
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Siemens D 83.1 · 2016
2
Motors with Explosion Protection
LOHER CHEMSTAR and VARIO 1PS4 and 1PS5 motor series
Special versions
Special mechanical designs
(continued)
Anti-condensation heater, 110 to 120 V
(min. 100 V, max. 132 V) – preferred
M12
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Anti-condensation heater, 210 to 250 V
(min. 200 V, max. 264 V) – preferred
M13
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Anti-condensation heater rated voltage
range 110 to 120 V
(min. 100 V, max. 132 V) Ex e
M14
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Anti-condensation heater rated voltage
range 220 to 240 V
(min. 200 V, max. 264 V) Ex e II T3
M15
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Heater in main terminal box
P84
–
–
–
–
–
–
–
–
–
–
–
–
–
–
O. R.
O. R.
O. R.
O. R.
Second standard shaft extension –
for 100% torque; VARIO 50% torque
K16
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
✓
✓
✓
✓
Second shaft extension for IM B3 up to
100 % torque; cylindrical with feather key
Q21
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Non-standard cylindrical shaft extension
(standard diameter or smaller) – in case
of significantly different diameters,
especially high-pole motors due to the
maximum permissible torque stress,
factory clarification required
Y55 •
and
customer
specifica-
tions
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Shaft of material 1.7225
W51
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
Shaft of material 1.4021
W52
✓
✓
✓
✓
✓
✓
✓
✓
✓
O.R.
O.R.
O.R.
O. R.
O. R.
–
–
–
–
Shaft end of stainless steel butt-welded
(material 1.4571)
W53
✓
✓
✓
✓
✓
✓
✓
✓
✓
O.R.
O.R.
O.R.
O. R.
O. R.
–
–
–
–
Shaft made of special steel–
down to -40 °C only
L72
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Welded standard stator enclosure for
surface-cooled motors – factory
clarification required because of possible
dimension deviations
W54
–
–
–
–
O. R.
O. R.
✓
✓
✓
✓
✓
✓
✓
O. R.
Welded copper bar rotors
W55
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
Special rotors for heavy duty starting
(e.g. double-cage rotor or brass rotor) –
type test needed
Q22
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Generator design (asynchronous)
with 1.8 times runaway speed –
only 4-pole and higher
W56
–
–
–
–
–
–
–
–
–
–
–
–
–
O. R.
–
–
–
–
IP56 degree of protection
K51
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
IP65 degree of protection
K50
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
IP66 degree of protection
L94
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
O. R.
O.R.
O.R.
Increased tropicalization,
humidity
80 % –
LOHER CHEMSTAR incl.
V10
and
W71
,
LOHER VARIO incl.
V10
and
P45
W61
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Tropical design for outdoor onshore
installation
L28
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Design without fan and fan cover –
motor mounted in air stream of driven fan.
Without external air stream cooling,
factory clarification required due to
derating
W62
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
O. R.
O. R.
O.R.
O.R.
Special versions
Additional
identification
code
-Z
with
order code
and plain text
if required
Motor series
LOHER CHEMSTAR
LOHER VARIO
1PS4. . . - . . . . . - . . . . -Z
Frame size
1PS5. . . - . . . . . - . . . . -Z
71
80
90
100
112
132
160
180
200
225
250
280
315
355
355
400
450
500
For legends and footnotes, see Page 2/80.
© Siemens AG 2016