SIEMENS
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Siemens D 83.1 · 2016
2
Motors with Explosion Protection
LOHER CHEMSTAR and VARIO 1PS1 motor series
Special versions
Special mechanical designs
(continued)
Counter-clockwise, viewed onto DE – direction
of rotation must be specified for motors from
frame size 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) based on 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 frame size 355 2-/4-pole, possibly
increased noise values and derating;
for LOHER CHEMSTAR frame size 355
technical factory clarification essential
K99
O. R.
✓
✓
✓
O. R.
Higher number of starts (up to 3000 starts
per year) – factory testing is necessary
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.
✓
✓
✓
✓
Motor mounting material: bolts for mounting on
steel foundation with shims (V2A), taper pins
L31
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Motor mounting material: T-head bolts,
anchor sleeves and soleplates
for mounting on concrete foundation
L33
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Half-key balancing
Reinforced bearings at DE for belt drive
L96
–
–
–
–
–
–
–
–
–
–
–
–
–
–
O. R.
O. R.
O. R.
–
Stainless steel screws and plates
W71
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
Stainless steel external bolts
P45
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Ambient temperatures down to -40° C;
preheating before operation necessary –
factory clarification required regarding the
heating power required, heating via the
winding may be necessary; installed heating
elements in motor at additional charge.
W73
–
–
–
–
–
–
–
–
–
–
–
–
–
–
O. R.
O. R.
O. R.
O. R.
Ambient temperatures down to -40° C;
preheating before operation necessary –
factory clarification required
W77
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.
–
–
–
–
Ambient temperatures down to -60 °C;
preheating before operation necessary –
factory clarification required
W78
–
–
–
–
–
–
–
–
–
–
–
–
O. R.
O. R.
–
–
–
–
Ambient temperatures down to -40 °C;
without preheating before operation
W97
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
Special versions
Additional
identification
code
-Z
with
order code
and
plain text if
required
Motor series
LOHER CHEMSTAR
LOHER VARIO
Frame size
1PS1. . . - . . . . . - . . . . -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 2/124.
© Siemens AG 2016