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)
Fan with anti-corrosion protection in case
of metal fan
W63
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Fan of aluminum
W64
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
–
–
Fan of steel
W65
O.R.
O.R.
O.R.
O. R.
O. R.
✓
✓
✓
✓
✓
✓
✓
✓
External fan of brass
W66
O.R.
O.R.
O.R.
O. R.
O. R.
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
External fan of stainless steel
V94
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
O. R.
Special ventilation for on-deck motors
W67
–
–
–
–
–
–
✓
✓
✓
✓
✓
✓
✓
O. R.
O. R.
O. R.
O.R.
O.R.
Fan cover of steel sheet (3 mm thick)
W68
O.R.
O.R.
O.R.
O. R.
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
O. R.
O. R.
O. R.
Galvanized fan cover – included in
K30
and
W09
W69
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
O. R.
O. R.
O.R.
O.R.
Noise class 3 for clockwise direction of
rotation viewed onto DE – for 2-pole
motors only
K37
–
–
–
–
–
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
Noise class 3 for counter-clockwise
direction of rotation viewed onto DE –
for 2-pole motors only
K38
–
–
–
–
–
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
Clockwise (viewed onto DE) – direction
of rotation must be specified for motors
with FS 355 2-/4-pole
K97
–
–
–
–
–
–
–
–
–
–
–
–
–
Counter-clockwise (viewed onto DE) –
direction of rotation must be specified
for motors with FS 355 2-/4-pole
K98
–
–
–
–
–
–
–
–
–
–
–
–
–
Noise reduction: Silencer for air inlet
(DW, NMA) – only in combination
with
K97
or
K98
L20
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
✓
Stainless steel grid for air inlet silencer –
only in combination with
L20
L25
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Noise cabinet with inspection door –
zinc-galvanized, unpainted – noise
reduction approx. 15 dB(A) for GG1
V32
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Noise cabinet with inspection door –
V4A unpainted – noise reduction
approx. 15 dB(A) for GG1
V35
–
–
–
–
–
–
–
–
–
–
–
–
–
–
O. R.
O. R.
O.R.
O.R.
Insulation sheath for noise reduction
approx. 3 to 5 dB(A) for standard GG1
V34
–
–
–
–
–
–
–
–
–
–
–
–
–
–
O. R.
O. R.
O.R.
O.R.
Operation in both directions of rotation –
from FS 355 2-/4-pole, possibly increased
noise values and derating;
CHEMSTAR FS 355: technical factory
clarification essential
K99
O. R.
✓
✓
✓
O.R.
Higher number of starts
(up to 3000 starts per year)
Q23
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Full-key balancing
L68
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Support ring for coupling guard
L15
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Fitting of coupling halves
(customer-supplied, finish-machined
and balanced) – supplied 4 weeks
ahead of testing date
L17
O.R.
O.R.
O.R.
O. R.
O. R.
O. R.
O. R.
O.R.
O.R.
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