Catalog

■ Overview
Most non-standard motors frame size 315 and above of Siemens
AG can be used as marine motors if the appropriate order codes
are used. The following table shows the available series of nonstandard
motors frame size 315 and above (individual acceptance
required):
Motor type
Self-ventilated motors for mains-fed and converter-fed
operation
Forced-air cooled motors with externally mounted fan for
converter-fed operation
Self-ventilated motors with through ventilation for mains-fed
and converter-fed operation
Water-cooled motors for mains-fed and converter-fed
operation (technical specifications can be supplied on
request)
Standard
degree of
protection
Motor series 1LH8 (please enquire).
For technical specifications and selection and ordering data,
see the relevant sections of "Non-standard motors frame
size 315 and above".
For further information about order codes see "Special versions".
Frame
design
IEC Squirrel-Cage Motors
Marine motors
Non-standard motors frame size 315 and above
(individual acceptance required)
Motor series Motor frame sizes
IP55 Cast-iron 1LA8 315 ... 450 160 ... 1000 1)
IP55 Cast-iron 1PQ8 315 ... 450 160 ... 1000 1)
IP23 Cast-iron 1LL8 315 ... 450 200 ... 1250 1)
IP55 Steel 1LH8 450 485 ... 1150 1)
Output range
in kW
Output data for mains-fed operation
50 Hz at KT 45 °C in temperature
class F, used according to F.
■ Overview
Most explosion-proof motors frame size 315 and above of Siemens
AG can be used as marine motors if the appropriate order
codes are used. The following table shows the available series
of explosion-proof motors frame size 315 and above (individual
acceptance required):
Motor type
Standard
degree of
protection
For technical specifications and selection and ordering data,
see the relevant sections of "Explosion-proof motors".
For further information about order codes see "Special versions".
Frame
design
Explosion-proof motors frame size 315 and above
(individual acceptance required)
Motor series Motor frame sizes
Output range
in kW
Output data for mains-fed
operation 50 Hz at KT 45 °C
in temperature class F
Self-ventilated motors in Zone 2 with type of protection "n" IP55 Cast-iron 1LA8 315 ... 450 160 ... 1000 2)
Self-ventilated motors in Zone 22 with protection against IP55 Cast-iron 1LA8 315 ... 450 160 ... 1000 1)
dust explosions
10
1)
2)
At a coolant temperature of 45 °C when used according to temperature
class F, the output is reduced by 4%.
At a coolant temperature of 45° C, the output is reduced by 4%. When
used in accordance with temperature class B, the output is reduced by a
further 15 %.
Siemens D 81.1 · 2006
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