DRN90L4 SEW IE3 Motor 1.5 kW 400 V 4-Pole DRN Series

DRN90L4 SEW-EURODRIVE IE3 Three-Phase Motor | 1.5 kW | 4-Pole

DRN90L4 is a 4-pole IE3 asynchronous motor from SEW-EURODRIVE. It delivers 1.5 kW at 400 V and 50 Hz. The motor belongs to the modular DRN.. system. It runs continuously under duty type S1. Users can also operate it with inverters. The design targets industrial automation, conveyors, pumps, and general machinery. Powergear X Automation Limited supplies this model with fast shipping and a 12-month warranty.

Product Description

• Core identity
  • Brand: SEW-EURODRIVE
  • Model: DRN90L4
  • Series: DRN Three-Phase Asynchronous Motor
  • Motor type: Squirrel-cage three-phase asynchronous motor, TEFC
  • Poles: 4
• Main benefit
  • High efficiency IE3 reduces energy loss.
  • Compact modular design fits many gearboxes and machines.
  • Continuous S1 duty supports long running hours.
  • Inverter duty allows speed control in modern systems.
• Typical equipment and applications
  • Conveyor systems and material handling lines
  • Pumps, fans, and blowers
  • Packaging and food processing machines
  • Textile, woodworking, and metalworking equipment
  • General industrial drives with SEW gear units
• Expert Review
  • The DRN90L4 balances efficiency, size, and reliability.
  • IE3 performance lowers power costs over time.
  • The TEFC housing suits dusty and moist factory floors.
  • SEW modular options simplify replacement and upgrades.
  • It is a strong choice for continuous duty automation.
• Manager’s Insight
  • Buyers often choose this model for 1.5 kW conveyor drives.
  • Check voltage, flange type, and shaft size before ordering.
  • Inverter use requires correct parameter setup.
  • Stock units ship in 12-24 hours via FedEx, UPS, or DHL.

Technical Specifications

• Brand and model
  • Brand: SEW-EURODRIVE
  • Model: DRN90L4
  • Series: DRN Three-Phase Asynchronous Motor
• Electrical data
  • Rated power: 1.5 kW
  • Rated voltage: 400 V, 3-phase, 50 Hz
  • Connection: Δ connection; star/delta changeover per size
  • Rated current: 3.4 A at 400 V, 50 Hz
  • Rated speed: 1461 min⁻¹ at rated load
  • Rated torque: 9.8 Nm
  • Power factor: cos φ = 0.74
  • Efficiency: IE3 Premium Efficiency per IEC 60034-30-1
  • Efficiency at 100% load: 85.6%
  • Efficiency at 75% load: 86.1%
  • Efficiency at 50% load: 84.6%
• Duty and operation
  • Duty type: S1 continuous operation
  • Line and inverter duty: VPWM per IEC 60034
  • Insulation class: Thermal class 155 (F) per IEC 60034-1
  • Optional thermal class 180 (H) on request
• Cooling and mounting
  • Cooling method: TEFC totally enclosed fan-cooled
  • Cooling code: IC 411 per IEC 60034-6
  • Standard mounting: IM B35 foot-mounted with flange
  • Optional mounting: IM B3, IM B5, IM B14 per order
• Environmental tolerance
  • Operating temperature: -20 to +40 °C ambient
  • Rated output at max +40 °C and ≤1000 m above sea level
  • Storage temperature: -15 to +70 °C
  • Protection rating: IP55 per IEC 60034-5
  • Optional protection: up to IP66 on request
  • Relative humidity: non-condensing
  • Insulation class: Class 155 (F)
• Physical data
  • Weight: 23 kg
  • Dimensions: consult SEW dimension sheets
  • Overall envelope dimensions not published in assignment table
• Measurement and response notes
  • Speed range depends on inverter settings.
  • Frequency response follows VPWM drive output.
  • Sensitivity and linearity depend on the connected drive.
  • Resolution comes from the encoder or drive feedback.
  • Temperature range and immunity follow IEC 60034-1.

Installation Guide

• Before mounting
  • Check nameplate data against your supply.
  • Inspect shaft, flange, and terminal box.
  • Confirm ambient temperature stays within -20 to +40 °C.
• Mounting steps
  • Use IM B35 foot and flange mounting as standard.
  • Align motor and driven machine carefully.
  • Tighten bolts to the correct torque.
  • Keep cooling air paths clear.
• Electrical connection
  • Follow the terminal diagram for Δ or star connection.
  • Match supply voltage and frequency to 400 V, 50 Hz.
  • Use suitable cable glands for IP55 protection.
  • Ground the motor before power-on.
• Inverter setup
  • Use VPWM output per IEC 60034.
  • Set motor parameters from the nameplate.
  • Limit cable length to reduce voltage spikes.

Commissioning and Maintenance

• Commissioning
  • Check rotation direction before coupling.
  • Run at no load and listen for noise.
  • Measure current at rated load.
  • Confirm speed reaches 1461 min⁻¹.
• Routine maintenance
  • Keep the fan cover and fins clean.
  • Check terminal tightness and cable condition.
  • Inspect bearings for vibration or heat.
  • Replace worn seals to keep IP55 rating.
• Convenience features
  • Modular DRN parts simplify service.
  • Standard flange and foot options ease replacement.
  • Clear nameplate data speeds up debugging.

Compatibility Notes

• Drive compatibility
  • Works with line power at 400 V, 50 Hz.
  • Works with VPWM inverters for variable speed.
  • Star/delta changeover supports 230/400 V or 400/690 V supply per size.
• Mechanical compatibility
  • Fits SEW modular gear units and many standard flanges.
  • Mounting options include IM B3, IM B5, IM B14.
  • Foot and flange design supports many machine frames.
• System fit
  • Suitable for conveyors, pumps, fans, and packaging lines.
  • IE3 efficiency supports energy-saving projects.
  • S1 duty suits continuous production.

Certifications and Standards

• IEC standards
  • IEC 60034-1 for ratings and thermal class
  • IEC 60034-5 for IP55 protection
  • IEC 60034-6 for IC 411 cooling
  • IEC 60034-30-1 for IE3 efficiency
• Compliance notes
  • Listed on the official SEW global DR.. product page.
  • Last verified: 2026-09.
  • Current SEW-EURODRIVE product line.
  • IE3 successor to the DRS../DR2S.. series.

Packaging List

• Included items
  • 1 x DRN90L4 motor
  • 1 x terminal box cover and hardware
  • 1 x nameplate and data sheet reference
  • 1 x protective shipping packaging
• Order options
  • Mounting type: IM B35 standard; IM B3, IM B5, IM B14 optional
  • Protection: IP55 standard; IP66 optional
  • Thermal class: 155 (F) standard; 180 (H) optional

Warranty, Shipping, and Support

• Warranty
  • 12-month warranty covers manufacturing defects.
  • Warranty follows normal industrial use conditions.
• Shipping
  • Stock items ship in 12-24 hours.
  • Couriers: FedEx, UPS, DHL.
  • Tracking number provided after dispatch.
• Contact
  • Email: sales@powergearx.com
  • WhatsApp: +86 18030005825

FAQ

• Q: What does the model DRN90L4 mean?
  • A: It is a SEW DRN series motor with a 90 frame and 4 poles.
• Q: Can I run this motor on a 230 V supply?
  • A: Yes, with star/delta changeover per size. Check the nameplate first.
• Q: Is this motor suitable for inverter use?
  • A: Yes. It supports VPWM inverter duty per IEC 60034.
• Q: What is the rated speed?
  • A: The rated speed is 1461 min⁻¹ at rated load.
• Q: How much does the motor weigh?
  • A: The motor weighs about 23 kg.
• Q: What protection rating does it have?
  • A: It has IP55 protection. IP66 is available on request.
• Q: What is the ambient temperature limit?
  • A: It runs from -20 to +40 °C ambient.
• Q: How fast do you ship?
  • A: Stock units ship in 12-24 hours by FedEx, UPS, or DHL.
• Q: Does it come with a warranty?
  • A: Yes. It includes a 12-month warranty.
• Q: What should I check before buying?
  • A: Check voltage, mounting type, shaft size, and duty cycle.
  • A: Confirm the driven machine needs 1.5 kW at 4 poles.
  • A: Ask our team for a compatibility check if unsure.
• Q: Can this motor replace an older DRS or DR2S unit?
  • A: Often yes. The DRN.. series is the IE3 successor. Compare flange and shaft first.
• Q: Do you provide technical support after purchase?
  • A: Yes. Contact sales@powergearx.com or WhatsApp +86 18030005825.

Buying Guide

• Match the load
  • Choose 1.5 kW only if your load fits.
  • Check starting torque for heavy conveyors.
• Check the supply
  • Confirm 400 V and 50 Hz line power.
  • Plan star/delta wiring for other voltages.
• Pick the mounting
  • Standard is IM B35.
  • Order IM B3, IM B5, or IM B14 if needed.
• Plan for the environment
  • Use IP55 for dusty or wet areas.
  • Upgrade to IP66 for washdown zones.
• Confirm speed control
  • Choose a VPWM inverter for variable speed.
  • Set motor data correctly during commissioning.
• Order with confidence
  • Ask for a pre-sale check if unsure.
  • Expect dispatch in 12-24 hours.

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