SIEMENS
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Siemens D 83.1 · 2016
3
Motors without Explosion Protection
LOHER CHEMSTAR and VARIO 1PS0 motor series
Special versions
Special mechanical designs
(continued)
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
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Insulation sheath for noise reduction
approx. 3 to 5 dB(A) to 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)
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 bearing 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;
no preheating before operation
necessary; without Ex protection
W75
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
Ambient temperatures down to -60 °C;
no preheating before operation
necessary; without Ex protection
W76
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
Mounted rotary pulse encoder 1024
pulses per revolution – 10 to 30 V,
HTL level; not Ex; cable length 5 m –
signals A, B, N + inverted signals
W80
–
–
–
–
–
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
Mounted speed encoder non Ex design
with integrated shaft grounding device
(Loher preferred brand) – 1024 pulses
per revolution – 10 to 30 V, HTL level –
explosion-proof design; additionally
select bearing insulation
V74
–
–
–
–
–
–
–
–
–
–
–
–
–
–
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
1PS0. . . - . . . . . - . . . . -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 3/42.
© Siemens AG 2016