SIEMENS
2/78
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)
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
L69
–
–
–
–
–
–
–
–
–
–
–
–
–
–
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.
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 regarding
the heating power required, heating via
the winding may be necessary. Installed
heating elements in motor at additional
charge.
W74
–
–
–
–
–
–
–
–
–
–
–
–
O. R.
O. R.
–
–
–
–
Ambient temperatures down to -40 °C;
without preheating before operation
W97
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
–
–
–
–
Ambient temperature down to -55° C;
without preheating before operation
W98
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
–
–
–
–
Mounted rotary pulse encoder, 1024
pulses per revolution -10 to 30 V,
HTL level – Ex d; cable length 5 m
W96
–
–
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
Mounted rotary pulse encoder
Ex version (preferred brand) –
1024 pulses per revolution
-10 to 30 V, HTL level – explosion-proof
version
V72
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Mounted rotary pulse encoder
Ex version with integrated shaft
grounding (preferred brand) – 1024
pulses per revolution -10 to 30 V, HTL
level – explosion-proof version;
-20+ to +50 °C; select bearing insulation
separately
V77
–
–
–
–
–
–
–
–
–
–
–
–
–
–
O. R.
O. R.
O.R.
O.R.
Mechanical protection for rotary pulse
encoder – in combination with
V72
,
V77
M68
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Mounted radial forced ventilation
W81
–
–
–
–
–
–
–
–
–
O.R.
O.R.
O.R.
O. R.
O. R.
–
–
–
–
Forced ventilation at NDE –
for Ex motors – axial forced ventilation
V28
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Backstop for clockwise direction
of rotation viewed onto
DE (counter-clockwise blocked) –
dimensions may differ
G48
–
–
–
–
–
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
✓
✓
✓
✓
Backstop for counter-clockwise
direction of rotation viewed onto
DE (clockwise blocked), –
dimensions may differ
G49
–
–
–
–
–
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
✓
✓
✓
✓
Manual mechanical release
for standard brake
K82
–
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
–
–
–
–
Brake supply voltage
400 V AC/50 Hz 1-phase
C01
–
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
–
–
–
–
Brake supply voltage
24 V DC / 1-phase
C00
–
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
–
–
–
–
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