SIEMENS
2/122
Siemens D 83.1 · 2016
2
Motors with Explosion Protection
LOHER CHEMSTAR and VARIO 1PS1 motor series
Special versions
Special mechanical designs
(continued)
Ambient temperatures down to -55 °C;
without preheating before operation
W98
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
–
–
–
–
Mounted rotary pulse encoder, 1024 pulses
per revolution -10 to 30 V, HTL level;
cable length 5 m
W96
–
–
–
–
–
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
Mounted rotary pulse encoder Ex version
(preferred brand) – 1024 pulses per
revolution -10 to 30 V, HTL level; Ex d;
cable length 5 m
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;
down to -20 °C only; select bearing isolation
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
–
–
–
–
–
–
–
–
–
–
–
–
–
–
O. R.
O. R.
O. R.
O. R.
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.
✓
✓
✓
✓
Tapered shaft extension with shaft nut
T36
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Sun canopy mounting in normal steel, cover
in unpainted stainless steel for vertical motors
V87
–
–
–
–
–
O. R.
O. R.
O. R.
O. R.
O. R.
O. R.
O. R.
O. R.
O. R.
✓
✓
✓
✓
Sun canopy mounting in normal steel, cover in
unpainted stainless steel for horizontal motors
V99
–
–
–
–
–
O. R.
O. R.
O. R.
O. R.
O. R.
O. R.
O. R.
O. R.
O. R.
✓
✓
✓
✓
Preparation for SPM bearing monitoring,
only M8 drilled hole for measuring nipple
W84
–
–
–
–
–
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Condensation drain valve (drain and breather)
IP 66 for auxiliary terminal box – not in
combination with
V43
(Ex d terminal box)
Q77
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Condensation drain valve (drain and breather)
IP 66 for main terminal box – not in combination
with
K53
(Ex d terminal box)
Q78
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Machined surface on motor foot
with dowel pin holes
Q94
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Base frame for height adaptation
of max. 2 frame sizes difference
Q96
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Adaptation of foot and shaft dimensions to
next higher frame size (no adaptation of
terminal box!)
Q97
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Adaptation of flange dimensions and drilled
holes in flange
Q98
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Preparation for later installation of sun
protection shield
Q99
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
SPM bearing monitoring: Measuring nipple
system 32 – thread M8, DE and NDE
G50
–
–
–
–
–
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Shock pulse measurement (SPM),
fixed sensor and distribution box
H05
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
SPM bearing monitoring:
Fixed sensor system 40 – thread M8
W85
–
–
–
–
–
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
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