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
Design for Zones according to ATEX
Version for gas group IIC,
but stamped IIB
M99
–
–
–
–
Design for Zone 21 (conductive dust)
for line operation, IP65
M34
–
–
–
–
–
–
–
–
–
–
–
–
–
–
O. R.
O. R.
O.R.
O.R.
Design for Zone 22 (non-conductive dust)
for line operation
M35
–
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓
Design for Zone 21 (conductive dust)
for converter operation, IP65
M38
–
–
–
–
–
–
–
–
–
–
–
–
–
–
O. R.
O. R.
O. R.
O. R.
Design for Zone 22 (non-conductive dust)
for converter operation
M39
–
–
–
–
–
–
–
–
–
–
–
–
–
–
O. R.
O. R.
O. R.
O. R.
Design in double protection additionally
for dust, Zone 22 for line operation,
no hybrid certification – non-conductive
dust
W20
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
O. R.
O. R.
O. R.
Design additionally for dust, Zone 21
for line operation, no hybrid certification,
IP65 – design and certification for
conductive dust (incl. non-conductive
dust)
W21
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
O. R.
O. R.
O. R.
Design in double protection additionally
for dust, Zone 22 for converter operation,
no hybrid certification – non-conductive
dust, select options for converter
operation separately
W22
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
O. R.
O. R.
O. R.
Design additionally for dust, Zone 21
for converter operation, no hybrid
certification, IP65 – version and
certification for conductive dust (incl.
non-conductive dust), select options
for converter operation separately
W23
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
O. R.
O. R.
O. R.
Ship design "Operation below deck"
Design acc. to GL (Germanischer Lloyd),
CT 45 °C with manufacturer's
declaration – non essential
W24
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
O. R.
O. R.
O. R.
O. R.
Design acc. to LRoS (Lloyds Register of
Shipping), CT 45 °C with manufacturer's
declaration – non essential
W25
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
O. R.
O. R.
O. R.
O. R.
Design acc. to BV (Bureau Veritas),
CT 45 °C with manufacturer's
declaration – non essential
W26
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
O. R.
O. R.
O. R.
O. R.
Design acc. to DNV GL (Det Norske
Veritas), CT 45 °C with manufacturer's
declaration – non essential
W27
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
O. R.
O. R.
O. R.
O. R.
Design acc. to ABS (American Bureau of
Shipping), CT 50 °C with manufacturer's
declaration – non essential
W28
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
O. R.
O. R.
O. R.
O. R.
Design acc. to RINa (Registro Italiano
Novale), CT 50 °C with manufacturer's
declaration – non essential
W29
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
O. R.
O. R.
O. R.
O. R.
O. R.
Other certifications, motors for upper
deck mounting and acceptance tests to
classification – factory clarification
required
W99
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.
–
–
–
–
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