Siemens 1LG6374-4AA92-Z 35kW 3-Phase Asynchronous Motor

The Siemens 1LG6374-4AA92-Z is a premium-grade 3-phase asynchronous electric motor designed in accordance with IE2 energy efficiency standards. Built for demanding industrial operations, this motor delivers a 35 kW power output at 1470 RPM with a high power factor of 0.87, ensuring optimal energy use. It features a robust IM B5 flange-mounted configuration and a TEFC (IC411) cooling system for consistent performance in harsh environments. With a cast iron housing, heavy-duty bearings, and compatibility with both delta (400V) and star (690V) connections, this motor is reliable, versatile, and engineered for long service life.

Specifications:

– Manufacturer: Siemens
– Model Number: 1LG6374-4AA92-Z
– Country of Origin: Germany
– Motor Type: 3-Phase Asynchronous Motor (IE2 Efficiency Class)
– Power Rating: 35 kW
– Voltage Options: 400V (Δ), 690V (Y)
– Current Draw: 66 A (at 400V delta connection)
– Frequency: 50 Hz
– Speed: 1470 RPM (4-pole)
– Power Factor (cos φ): 0.87
– Efficiency Class: IE2 (per IEC 60034)
– Mounting Type: IM B5 (Flange-mounted)
– Frame Size: Approx. 200 – 225
– Cooling Type: IC411 (TEFC – Totally Enclosed Fan Cooled)
– Housing Material: Cast Iron
– Bearings: Heavy-duty (extended service life and low maintenance)
– Weight: ~350 – 450 kg (estimated)
– Shaft Diameter: ~55 – 65 mm (typical for power range)
– Flange Size: B5 (large faceplate for secure industrial installation)

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