AmTecs Cast Iron 55kW 6 Pole Motor – 280MB3 Foot Mount
AmTecs cast iron 55kW 6 pole three-phase electric motor in IEC 280MB3 format, built for heavy-duty industrial service on fans, pumps, blowers, belt drives, and machinery where higher torque with slower running speed is needed. This IE3 motor combines robust cast iron construction with B3 foot mounting, making it a dependable choice where straightforward base fixing and long service life are required.
This version runs at approximately 985rpm on 50Hz supply and is designed for users who need a reliable foot mounted motor with IP55 protection, Class F insulation, and continuous-duty industrial performance.
Motor Overview
AmTecs IE3 cast iron motors are suited to demanding sites where strength, cooling stability, and long-term service life are priorities. For this version, the 55kW 6 pole specification is paired with a 280M IEC frame and B3 mounting so it can be fitted into a wide range of industrial applications.
Key Technical Specifications
- Motor Type: 3 phase cast iron electric motor
- Brand: AmTecs
- Power Output: 55kW
- Pole Configuration: 6 pole
- Nominal Speed: 985rpm
- Efficiency Class: IE3
- Full Load Efficiency: 94.1%
- Power Factor: 0.85
- Frame Size: 280M
- Mounting Arrangement: B3 – Foot Mount
- Voltage: 400/690V 3 phase 50Hz
- Enclosure Protection: IP55
- Duty Cycle: S1 continuous duty
- Insulation Class: F
- Thermal Protection: PTC thermistors fitted as standard
- Approx. Full Load Torque: 533.2Nm
- Sound Pressure Level: 68dB(A)
- Weight: 576kg
Why Choose This AmTecs Cast Iron Motor?
- Heavy-duty cast iron build for demanding industrial environments and improved mechanical durability.
- Foot Mount format to suit compatible equipment and installation layouts.
- IE3 efficiency to support reduced running losses in continuous-duty applications.
- IP55 enclosure and Class F insulation for dependable day-to-day industrial service.
- PTC thermistors fitted to support suitable motor protection arrangements.
Typical Applications
This motor is commonly selected for pumps, fans, blowers, conveyors, and general machinery where a foot mounted IEC motor is required. It is well suited to industrial duties where a robust IEC motor replacement is needed and where the selected pole count matches the required shaft speed.
Internal Links & Compatible Options
Same motor power, different mounting options: jump to the AmTecs Cast Iron 55kW 6 Pole Motor mounting style you need (280M Frame).
Need a different motor power? Explore the closest available motor sizes around 55kW.
More Amtecs motors: Browse all 55kW motors | Browse all Amtecs Cast Iron Motors
At Worm Gear Motors Online we offer competitive prices on genuine AmTecs cast iron 55kW 6 pole motors, with fast UK delivery and expert help choosing the correct frame and mounting style for your application.
Frequently Asked Questions
What applications are 55kW 6 pole motors used for?
55kW 6 pole motors are commonly used on pumps, fans, blowers, compressors, conveyors, and general industrial machinery where dependable three-phase performance and the correct operating speed are required.
What speed does a 6 pole motor run at?
On a 50Hz supply, a 6 pole motor typically runs at about 985rpm under load, making it suitable for applications matched to that speed range.
What mounting options are available?
Depending on frame size, this motor format is available in B3 foot mount, B5 flange mount, and B35 foot and flange mount versions to suit different installation layouts.
Is this motor suitable for inverter drive use?
Yes, AmTecs cast iron IE3 motors can be used with inverter drives when the drive is correctly specified and the operating parameters are set to suit the motor and application.
What protection and insulation does it have?
This motor features IP55 enclosure protection with Class F insulation, making it suitable for a wide range of industrial environments.
Can you help me choose the correct motor?
Yes, we can help with motor selection based on power, speed, frame size, shaft arrangement, and mounting style.
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