Catalog

IEC Squirrel-Cage Motors
Explosion-proof motors
Special versions
4
Special versions
Additional
Motor type frame size
identification
code -Z
with order
code and,
if required,
with plain
text data 56 63 71 80 90 100 112 132 160 180 200 225 250 280 315
Self-ventilated motors in Zone 2, 21, 22 with type of protection "n" or protection against dust explosions -
Cast-iron series 1LA6 and 1LG4
1LA6 (cast-iron) 1LG4 (cast-iron)
Designs for Zones 2, 21 and 22 according to ATEX 1)
Design for Zone 2 for mains-fed M72 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
to IEC/EN 60079-15
operation Ex nA II T3, EEx nA II T3
Design for Zone 2 for converter-fed M73 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
Ex nA II T3, EEx nA II T3 to
IEC/EN 60079-15 2) 3) 4)
operation, reduced output
Design for Zone 21, as well as M34 – – – – ✓ ✓ ✓ ✓ ✓ ✓
Zone 22 for conducting dust (IP65)
for mains-fed operation
Design for Zone 21, as well as M38 – – – – ✓ ✓ ✓ ✓ ✓ ✓
for converter-fed operation,
derating 2) 4)
Zone 22 for conducting dust (IP65)
Design for Zone 22 for non-conducting
M35 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
dust (IP55) for mains-fed
operation
Design for Zone 22 for non-conducting
M39 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
dust (IP55) for converter-
fed operation, derating 2) 4)
VIK design (comprises Zone 2 K30 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
EEx nA II marking on rating
plate) 5)
for mains-fed operation, without
EEx nA II on VIK rating plate C27 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
Alternative converter
(SIMOVERT MASTERDRIVES,
SINAMICS G110 or ET 200S FC)
Y68 • and
converter
type ….
† † † † † † † † † †
Motor protection
With PTC thermistors for alarm A10 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
in Zones 2, 21, 22
for converter-fed operation
Motor protection with PTC thermistors
A11 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
with 3 embedded tem-
perature sensors for tripping
Motor protection with PTC thermistors
A12 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
perature sensors for tripping and
alarm 6)
with 6 embedded tem-
Motor temperature detection with A23 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
KTY 84-130
embedded temperature sensor
Motor temperature detection with A25 – – – – ✓ ✓ ✓ ✓ ✓ ✓
2 x KTY 84-130
embedded temperature sensors
Installation of 3 PT 100 resistance A60 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
thermometers 6)
Installation of 6 PT 100 resistance A61 – – – – ✓ ✓ ✓ ✓ ✓ ✓
thermometers in stator winding 6)
Installation of 2 PT 100 screw-in
resistance thermometers (basic
circuit) for rolling-contact bearings
6) 7)
A72 – – – – ✓ ✓ ✓ 8) ✓ ✓ ✓
Installation of 2 PT 100 double A78 – – – – ✓ ✓ ✓ 8) ✓ ✓ ✓
(3-wire circuit) for rolling-contact
bearings 6) 7)
screw-in resistance thermometers
Installation of 2 PT 100 screw-in
resistance thermometers (3-wire
circuit) for rolling-contact bearings
6) 7)
A80 – – – – ✓ ✓ ✓ 8) ✓ ✓ ✓
For legend and footnotes, see page 4/114.
4/110 Siemens D 81.1 · 2006