SIEMENS SIMOTICS N-Compact: Series 1LA8/1PQ8/1LL8
SIEMENS SIMOTICS N-Compact: Series 1LA8/1PQ8/1LL8
SIEMENS SIMOTICS N-Compact: Series 1LA8/1PQ8/1LL8

SIEMENS SIMOTICS N-Compact: Series 1LA8/1PQ8/1LL8

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Siemens
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The three-phase motor series SIMOTICS N-compact covers outputs up to 1250 kW (at 50 Hz) in the non-standard range. A number of technical features provide this motor series with ruggedness and long service life and ensure the highest level of availability, for example, motor protection with PTC thermistors with 6 embedded temperature sensors for alarm and tripping is standard.

SIMOTICS N-compact motors are also characterized by their high output for small frame size. The consequence of this is an extremely compact design that can be used to save space in a number of industrial applications.

SIMOTICS N-compact motors are not only optimized in terms of their construction, but also in terms of their efficiency, so they also contribute towards lower energy consumption.
Apart from mains-fed operation, the SIMOTICS N-compact motors are also specially designed for converter-fed operation, for example, insulated bearings are used at the non-drive-end NDE for converter-fed operation as standard to prevent damage being caused as a result of bearing currents. In combination with frequency converters from the SINAMICS and SIMOVERT MASTERDRIVES product series, they build up perfectly interacting drive systems for variable-speed drive applications.

Technical Specifications

  • Series 1LA8
  • Series 1PQ8
  • Series 1LL8

Asynchronous squirrel-cage motors with compact dimensions in fin-cooled design. They are designed for direct connection to the three-phase supply and for converter-fed operation.

Asynchronous squirrel-cage motors with compact dimensions in fin-cooled design with forced ventilation. As these motors are forced-ventilated, no derating or only minor derating (depending on their speed range) is required for operation at constant load torque and with wide speed ranges. The motors are designed for converter-fed operation with the SINAMICS and SIMOVERT MASTERDRIVES drive system.

Asynchronous squirrel-cage motors with compact dimensions in an open fin-cooled design with self-cooling. They are similar in construction to 1LA8 motors. IP23 degree of protection is achieved by opening the internal cooling circuit which enables it to be supplied with external cooling air. This can increase the performance by up to 25 % as compared to the 1LA8. They are designed for direct connection to the three-phase supply and for converter-fed operation. Motors of the 1LL8 series are intended for installation indoors. They must not be subjected to humid, salty or corrosive atmospheres.