ATB dCD 400S-6 Electric Motor – 315 kW, 993 RPM, IP55, 50 Hz

The ATB dCD 400S-6 is a high-performance squirrel-cage induction motor manufactured by ATB Motorentechnik GmbH, Germany. Engineered for industrial-grade reliability and durability, this motor delivers 315 kW of mechanical output power at a nominal speed of 993 RPM. Operating at 50 Hz, it supports both delta (400V) and star (690V) connections, with a rated current of 530 A and a power factor of 0.89.

Constructed with Class F insulation and IP55 ingress protection, the motor is highly resistant to dust and water jets, ensuring dependable service in demanding environments. Though the exact efficiency class is not stated, its performance characteristics are consistent with IE2 or equivalent industrial standards.

The motor features a high-performance bearing lubrication system using ESSO UNIREX N3 grease, with a relubrication interval of 7,500 operating hours and a grease quantity of 150 grams per bearing. Integration was carried out by Rudolf Fritz GmbH, with reference values of 380V voltage and 615 A current noted during commissioning. The system is VDE-compliant with all test point ratings confirmed.

Specifications:

– Manufacturer: ATB Motorentechnik GmbH (Nordenham, Germany)
– Model / Type: dCD 400S-6
– Serial Number: 405515001
– Rated Power Output: 315 kW
– Voltage (Δ/Star): 400V / 690V
– Frequency: 50 Hz
– Rated Current: 530 A
– Speed: 993 RPM
– Power Factor (cos φ): 0.89
– Insulation Class: F
– Protection Class: IP55 (Dust and Water Jet Protected)
– Efficiency Class: Not specified (likely IE2)
– Lubrication Type: ESSO UNIREX N3 Grease
– Grease Quantity: 150 g per bearing
– Relubrication Interval: Every 7,500 operating hours
– Voltage Reference: 380V
– Current Reference: 615 A
– System Integrator / Installer: Rudolf Fritz GmbH
– VDE Compliance: Confirmed

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