AmTecs Cast Iron 18.5kW 8 Pole Motor – 225SB3 Foot Mount
AmTecs cast iron 18.5kW 8 pole three-phase electric motor in IEC 225SB3 format, built for heavy-duty industrial service on fans, pumps, blowers, belt drives, and machinery where low-speed, higher-torque duty is required. 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 740rpm 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
Where a robust three-phase motor is needed for continuous-duty service, the AmTecs cast iron IE3 series provides a solid IEC solution. This 18.5kW 8 pole unit combines a 225S frame with B3 mounting, giving users a heavy-duty motor option for plant replacements and new equipment builds.
Key Technical Specifications
- Motor Type: 3 phase cast iron electric motor
- Brand: AmTecs
- Power Output: 18.5kW
- Pole Configuration: 8 pole
- Nominal Speed: 740rpm
- Efficiency Class: IE3
- Full Load Efficiency: 90.1%
- Power Factor: 0.76
- Frame Size: 225S
- 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: 239Nm
- Sound Pressure Level: 73dB(A)
- Weight: 265kg
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 18.5kW 8 Pole Motor mounting style you need (225S Frame).
Need a different motor power? Explore the closest available motor sizes around 18.5kW.
More Amtecs motors: Browse all 18.5kW motors | Browse all Amtecs Cast Iron Motors
At Worm Gear Motors Online we offer competitive prices on genuine AmTecs cast iron 18.5kW 8 pole motors, with fast UK delivery and expert help choosing the correct frame and mounting style for your application.
Frequently Asked Questions
Where is a 18.5kW 8 pole motor normally used?
This motor size is often selected for material handling equipment, fans, pumps, process machinery, and other industrial drives that need reliable continuous-duty performance.
How fast will this 8 pole motor run?
With a 50Hz supply, the motor delivers a nominal running speed of approximately 740rpm, subject to normal slip under load.
What mountings can I order?
Typical mounting arrangements in this range include B3 foot mount, B5 flange mount, and B35 foot and flange mount, depending on the frame and configuration needed.
Is the motor built for industrial environments?
Yes. The cast iron body, IP55 protection, and IE3 efficiency rating make it well suited to regular industrial service.
Does it include thermal protection?
The range is supplied with PTC thermistors fitted as standard to support suitable protection arrangements.
Do you supply advice before ordering?
Yes, if you need help matching frame size, speed, or mounting arrangement, we can point you toward the best option.
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