Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

AC-Motoren
The AC-Motoren Asynchronous-Motor ACM 250 M 4/PHE is a regular 4-pole industrial component with a frame size of 250 and B5 mounting. Operating at 400/690 V, this 55 kW unit delivers an OP1 speed of 1485 1/min under S1 duty type, utilizing insulation class F and an IP55 protection class. Submit the exact part number, quantity, and application requirements for a quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued AC-Motoren references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against AC-Motoren ACMAAS3A042502U00000. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.