LOHER ATE 400 M L 10 SA Electric Motor

The LOHER ATE 400 M L 10 SA is a premium-grade, low-voltage industrial motor engineered for continuous-duty (S1) operation. Manufactured in Germany by LOHER GmbH, this unit is optimized for steady-state performance in harsh operating conditions, with an output power estimated in the 250–320 kW range.

The motor operates at 980 RPM and 690V, 50 Hz, delivering a power factor of 0.82. Designed with Class F insulation and operating within a Class B thermal rise, it ensures thermal reliability under full-load conditions. Its IP55 protection rating guarantees resistance to dust and water jets, making it suitable for demanding environments.

Cooling is likely IC 411 (TEFC – Totally Enclosed Fan-Cooled), providing reliable heat dissipation in industrial applications. Equipped with PT100 thermistor protection and insulated bearings, the motor ensures extended operational life and resistance to shaft current damage. The winding configuration follows a dual-circuit layout and supports balanced three-phase operation.

Lubrication is handled using Shell Alvania RL3 lithium-based grease, with a recommended relubrication interval every 8,000 operating hours. The motor meets EN 60034 and IEC 38 standards for rotating electrical machines and voltage designations, ensuring full international compliance.

Specifications:

– Manufacturer: LOHER GmbH (Germany)
– Model / Type: ATE 400 M L 10 SA
– Power Output: ~250–320 kW (variable depending on application)
– Voltage: 690V
– Frequency: 50 Hz
– Speed: 980 RPM
– Power Factor (cos φ): 0.82
– Thermal Class: F → B (Class F insulation, B rise)
– Protection Class: IP55 (Dust and Water Jet Protected)
– Cooling Type: Likely IC 411 (TEFC – Totally Enclosed Fan-Cooled)
– Duty Type: S1 (Continuous Operation)
– Winding Configuration: 6 – 1R1–6R2 / 4 – 2R1–2R4
– Thermistor Protection: PT100
– Insulated Bearings: Yes
– Grease Type: Shell Alvania RL3 (Lithium-Based)
– Relubrication Interval: Every 8,000 operating hours
– Standards Compliance: EN 60034, IEC 38
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