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
■
Selection and ordering data
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
Special electrical designs/winding protection
Motor protection with 3 PTC thermistors
for tripping – without surge arresters,
sole protection not included
A11
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Motor protection with 2 × 3 PTC
thermistors for prewarning/tripping –
without surge arresters, sole protection
not included
A12
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Motor protection with 3 PTC thermistors
for tripping as sole protection on
converter (TMS)
A15
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Motor protection with 2 × 3 PTC
thermistors for prewarning/tripping
as sole protection on converter (TMS)
A16
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Measuring of winding temperature
by means of embedded KTY84-130
temperature sensor
A23
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
✓
Measuring of winding temperature by
means of 2 × embedded KTY84-130
temperature sensors
A25
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
✓
Monitoring of winding temperature
using 3 Pt100 resistance thermometers –
in 2-wire design
A60
–
–
–
–
–
–
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
Monitoring of winding temperature using
2 × 3 Pt100 resistance thermometers –
2-wire design, for round-wire winding only
A61
–
–
–
–
–
–
O. R.
O.R.
O.R.
O.R.
O.R.
✓
✓
✓
✓
✓
✓
✓
3 Pt100 resistance thermometers in stator
winding, 3-wire connection from auxiliary
terminal box
A63
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
6 Pt100 resistance thermometers in
stator winding, 3-wire connection from
auxiliary terminal box
A64
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
✓
6 Pt100 slot resistance thermometers
without surge arresters for 4-wire
connection from terminal box –
for pre-formed coil winding only
A65
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
6 Pt100 resistance thermometers,
with surge arresters for 4-wire connection
from terminal box – for pre-formed coil
winding only
A66
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
6 Pt100 slot resistance thermometers in
shielded design without surge arresters
for 4-wire connection – for pre-formed coil
winding only
A67
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
6 Pt100 slot resistance thermometers
in shielded design to Ex i with surge
arresters for 3- and 4-wire connection
from terminal box – for pre-formed coil
winding only
Q40
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
2 bearing double resistance thermometer
Pt100 in Ex i version – 2-wire from
element, 4-wire from terminal box
V80
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Winding Pt100 in 3- or 4-wire design
from sensor instead of from terminal
(not Ex i PT100!) – optionally possible
for
A60
,
A61
,
A65
,
A66
Q43
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Bearing Pt100 in 3- or 4-wire design
from sensor instead of from terminal –
optionally possible for
V80
,
A40
,
A42
Q44
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
One thermocouple per bearing
Q49
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
For legends and footnotes, see Page 2/80.
© Siemens AG 2016