PRODUCT DESCRIPTION
SIEMENS 1LG4I83-4AA91-Z - Three-Phase Asynchronous Motor
This SIEMENS SIMOTICS GP 1LG4 series three-phase asynchronous motor is engineered for general-purpose industrial applications requiring robust and reliable rotary motion. Utilizing squirrel-cage rotor technology, it provides constant speed operation for pumps, fans, compressors, and conveyor systems. Designed for integration into standard industrial control architectures, it offers a dependable drive solution for manufacturing and process automation.
Technical Specifications:
- SERIES/FAMILY: SIMOTICS GP 1LG4
- COMPONENT TYPE: Three-Phase Asynchronous Motor (Squirrel-Cage)
- ELECTRICAL SPECS:
- NOMINAL POWER: 0.75 kW (Inferred for 4-pole configuration within compact frame equivalent)
- NOMINAL VOLTAGE: 400V AC (Typical for 1LG4 series, configurable for other standard voltages)
- NOMINAL CURRENT: Approximately 1.6 A (Calculated based on 0.75 kW, 400V, 0.8 Power Factor, 0.85 Efficiency)
- PHASE: 3-Phase
- FREQUENCY: 50 Hz / 60 Hz (Dual frequency capability, performance varies)
- MECHANICAL/PHYSICAL:
- POLE NUMBER: 4-Pole
- NOMINAL SPEED: Approximately 1450 RPM (at 50 Hz) / 1750 RPM (at 60 Hz)
- NOMINAL TORQUE: Approximately 4.9 Nm (at 50 Hz, based on 0.75 kW, 1450 RPM)
- FRAME SIZE: IEC equivalent to Frame 80/90 (Specific 'I83' variant)
- SHAFT TYPE: Standard Cylindrical Shaft with Keyway (Typical for 1LG4 series)
- MOUNTING: Foot-mounted (B3, typical for 1LG4 series without specific mounting code)
- INTERFACE/CONTROL:
- CONNECTION: Terminal Box (Standard for 1LG4 series)
- FEEDBACK: Not integrated (Standard for basic asynchronous motors external encoder integration optional)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP55 (Standard for 1LG4 series, providing protection against dust and water jets)
- COOLING METHOD: Totally Enclosed Fan Cooled (TEFC) - IC411 (Standard for 1LG4 series)
- AMBIENT TEMPERATURE: -20 to +40 degrees C (Typical operating range for 1LG4 series)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Pumps, Fans, Compressors, Conveyors, Machine Tools, General Industrial Machinery
- CONTROL: Direct-on-Line (DOL) or Variable Frequency Drive (VFD) operation for speed and torque control