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QDD Motors logoQDD Motors

Industrial motion manufacturer supporting custom engineering, strict quality control, and global delivery.

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Include target torque/speed, quantity, and delivery location.

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+86 188 5797 1991

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  • Quasi-Direct Drive (QDD) Actuators
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© 2026 QDD Motors. All Rights Reserved.|QDD Motors supports OEM robot joint motor programs with engineering review, manufacturing coordination, quality records, and export delivery planning.
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Standard AC Motors

IEC/NEMA frame AC motors for industrial automation, pump, fan, conveyor, compressor, and OEM equipment builds that need clear frame, power, duty, and compliance matching.

Target Buyer:Best for industrial integrators and equipment manufacturers that need an AC motor matched to frame standard, mounting pattern, duty cycle, efficiency class, and export compliance.

Inquiry Email

[email protected]

Email app

Include target torque/speed, quantity, and delivery location.

Instant Chat

+86 188 5797 1991

Request CAD Model via WhatsApp

Opens a direct WhatsApp thread with the RFQ message prefilled.

Standard IEC NEMA industrial AC motor

Capability Highlights

  • IEC frame and NEMA frame selection support
  • IE3/IE4 and NEMA Premium efficiency options
  • TEFC, IP55/IP65, brake, encoder, and inverter-duty options

Typical Applications

  • Conveyor and material-handling drives
  • Pump, fan, and compressor packages
  • General-purpose industrial automation axes
  • OEM equipment needing IEC/NEMA interchangeability

Engineering Focus

  • IEC versus NEMA frame, flange, shaft, and bolt pattern matching
  • kW/HP, rated speed, service factor, insulation class, and ambient temperature
  • VFD/inverter duty, cooling method, brake, encoder, and terminal-box orientation
  • IP rating, bearing life, noise limit, and export documentation needs

Key Evaluation Matrix

MetricTypical RangeWhy It Matters
Frame StandardIEC B3/B5/B14 or NEMA 56C/143TC/145TC classFrame and flange mismatch is the fastest way to create installation rework in pumps, conveyors, and OEM equipment.
Power and SpeedBuyer-defined kW/HP and RPM pointPower alone is not enough; rated speed, load curve, and service factor determine whether the motor runs cool in the real machine.
Efficiency ClassIE3, IE4, or NEMA Premium optionEfficiency affects operating cost, compliance, and buyer approval in EU and North American industrial projects.
Enclosure and CoolingTEFC, IP55/IP65, inverter-duty optionDust, moisture, ambient heat, and VFD operation change insulation, bearing, and cooling requirements.

RFQ Checklist

  1. Specify IEC or NEMA frame standard, mounting type, flange, and shaft dimensions
  2. Provide target power in kW or HP, rated speed, voltage, frequency, and phase
  3. Define duty cycle, ambient temperature, service factor, and overload case
  4. Confirm enclosure, IP rating, cooling method, brake, encoder, and terminal-box orientation
  5. State efficiency class, certification needs, destination market, quantity, and lead-time target

Risk Controls

  • IEC/NEMA mechanical mismatch: Confirm frame, flange, shaft, keyway, bolt circle, and terminal-box orientation against the buyer drawing before quote lock.
  • Overheating under VFD operation: Check inverter duty, insulation class, cooling method, carrier frequency, and low-speed duty before sample release.
  • Compliance files requested too late: List CE, UL, CSA, RoHS, REACH, efficiency, and test-report expectations in the RFQ so documentation is planned with production.

Product Gallery

Industrial motor cutaway for OEM engineering review
Industrial motor cutaway for OEM engineering review
AC servo motor for industrial automation axes
AC servo motor for industrial automation axes

Buyer FAQ

Do you offer custom shaft lengths?

Yes. Shaft length, keyway, flange, terminal box direction, brake, encoder, and cable details can be adapted when the buyer provides drawings and load conditions.

Can you quote both IEC and NEMA motor formats?

Yes. Share the target frame standard and installation drawing so we can avoid cross-standard mistakes around flange, shaft, bolt pattern, and power rating.

What data is needed for an inverter-duty AC motor quote?

Send voltage, frequency, rated speed, load curve, duty cycle, VFD model or limits, ambient temperature, IP rating, and any insulation or bearing requirements.

Related Resources

  • Custom Motor Engineering
  • Assembly & Testing
  • Quality & Certifications
  • Start RFQ

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