AC-Motoren AMP 315 MA-4/PHE Electric Motor – 4-Pole

The AC-Motoren AMP 315 MA-4/PHE is a high-performance 3-phase AC induction motor designed for heavy industrial applications. Manufactured by AC-Motoren GmbH, it features a large 315 frame size and is available in both IM B3 and IM B35 mounting configurations, making it compatible with a wide range of installation environments.

This motor operates at 50 Hz or 60 Hz with a standard 4-pole design, typically delivering around 1500 RPM at 50 Hz. It supports a dual voltage rating of 400V (Delta) / 690V (Star), offering flexibility in integration with existing electrical systems. The unit is protected to IP55 standards and cooled using the IC411 system (Totally Enclosed Fan-Cooled – TEFC), ensuring reliable operation in harsh industrial conditions.

The motor features high-grade insulation (Class F or optionally H), suitable for elevated temperature environments. Bearings are of heavy-duty roller or ball type, supporting long service intervals and vibration stability. Efficiency levels are consistent with IE2, IE3, or IE4 classifications depending on specific configuration. The motor is compatible with both Direct-On-Line (DOL) starting and Variable Frequency Drive (VFD) control, supporting both fixed-speed and variable-speed operations.

Performance remains high across different load levels, with measured efficiencies of 95.6% at 100% and 75% load, and 93.7% at 50% load.

Specifications:

– Manufacturer: AC-Motoren GmbH
– Model / Type: AMP 315 MA-4/PHE
– Serial Number: 2106323483
– Motor Type: AC Induction Motor
– Phase: 3-Phase
– Voltage: 400V Δ / 690V Y (typical – confirm on nameplate)
– Frequency: 50 Hz / 60 Hz
– Number of Poles: 4-Pole (Approx. 1500 RPM at 50 Hz)
– Frame Size: 315
– Mounting Type: IM B3 / IM B35
– Cooling Method: IC411 (Totally Enclosed Fan-Cooled – TEFC)
– Insulation Class: F or H
– Enclosure Protection: IP55 (Dust & Water Resistant)
– Bearings: Heavy-duty roller or ball bearings
– Power Factor: Typically 0.85 – 0.9 (depending on load)
– Efficiency Class: IE2 / IE3 / IE4 (based on variant)
– Starting Method: DOL or VFD Compatible
– Load Efficiency @ 100%: 95.6%
– Load Efficiency @ 75%: 95.6%
– Load Efficiency @ 50%: 93.7%
– Torque Output: Depends on rated kW (not specified)
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