DRN280M4 SEW 90 kW IE3 Three-Phase Motor IP55 Inverter Duty

SEW-EURODRIVE DRN280M4 IE3 Three-Phase Asynchronous Motor – 90 kW, 4-Pole, TEFC

Model DRN280M4 from SEW-EURODRIVE is a robust 4-pole IE3 motor. It delivers 90 kW at 400 V, 50 Hz. This motor belongs to the DRN.. modular system. It suits continuous duty and inverter operation.

Product Description

• High-efficiency IE3 squirrel-cage motor.
• Totally enclosed fan-cooled (TEFC) design.
• Rated for S1 continuous duty.
• Compatible with line and VPWM inverter supply.
• Part of the modular DRN.. series.
• Successor to DRS../DR2S.. series.

Technical Specifications

• Brand: SEW-EURODRIVE
• Model: DRN280M4
• Series: DRN Three-Phase Asynchronous Motor
• Motor type: Squirrel-cage three-phase asynchronous, 4 poles
• Rated power: 90 kW
• Rated voltage: 400 V, 3-phase, 50 Hz (Δ connection)
• Rated current: 161 A at 400 V, 50 Hz
• Rated speed: 1481 min⁻¹
• Rated torque: 580 Nm
• Efficiency class: IE3 (Premium Efficiency)
• Efficiency at 100% load: 95.2 %
• Efficiency at 75% load: 95.6 %
• Efficiency at 50% load: 95.4 %
• Power factor: cos φ = 0.84
• Insulation class: Thermal class 155 (F) per IEC 60034-1
• Cooling method: TEFC – IC 411 per IEC 60034-6
• Mounting: IM B35 standard; IM B3 / B5 / B14 available
• Duty type: S1 continuous, inverter duty (VPWM)
• Protection rating: IP55 (up to IP66 on request)
• Operating temperature: -20 to +40 °C ambient
• Storage temperature: -15 to +70 °C
• Relative humidity: Non-condensing
• Weight: 630 kg
• Dimensions: Not published as numerical table; consult SEW dimension sheets

Environmental & Installation Guide

• Rated output at max +40 °C and ≤1000 m altitude.
• IP55 protection for dusty and wet environments.
• Foot-mounted with flange (IM B35) as standard.
• Alternative mounting arrangements available on order.
• Ensure non-condensing humidity during operation.
• Follow SEW dimension sheets for exact envelope.

Commissioning & Maintenance Convenience

• Modular DRN system simplifies spare parts.
• Inverter-ready for variable speed control.
• Class 155 (F) insulation extends thermal life.
• TEFC design reduces maintenance needs.
• Optional thermal class 180 (H) on request.
• Star/delta changeover for 230/400 V or 400/690 V supply per size.

Compatibility Notes

• Works with standard 400 V, 50 Hz three-phase supply.
• Compatible with VPWM inverters per IEC 60034.
• Part of SEW DRN.. modular motor system.
• Direct replacement for DRS../DR2S.. series.
• Mounting options: IM B3, IM B5, IM B14, IM B35.

Certifications & Standards

• IEC 60034-1 for insulation and duty.
• IEC 60034-6 for cooling (IC 411).
• IEC 60034-5 for IP55 protection.
• IEC 60034-30-1 for IE3 efficiency.
• Current SEW-EURODRIVE product line, verified 2026-09.

Packing List & Warranty

• 1x SEW-EURODRIVE DRN280M4 motor.
• Standard mounting accessories as ordered.
• Technical documentation available from SEW.
• Warranty: 12 months.
• Dispatch: 12–24 hours.
• Couriers: FedEx, UPS, DHL.

Expert Review & Manager’s Insight

• Expert Review: This 90 kW IE3 motor balances high efficiency with rugged TEFC construction. The 95.2 % efficiency at full load reduces energy costs. The 580 Nm torque handles demanding loads. Inverter duty capability adds flexibility for speed control. It is a solid choice for continuous industrial use.
• Manager’s Insight: The DRN280M4 fits well in pump, fan, and conveyor systems. Its modular design cuts spare parts inventory. The IP55 rating survives harsh factory floors. Customers value the 12-month warranty and fast dispatch. This model is a reliable upgrade from older DRS series motors.

Recommended Equipment & Application Scenarios

• Pumps and compressors in water treatment.
• Industrial fans and blowers.
• Conveyor belts in mining and logistics.
• Mixers and agitators in chemical plants.
• Machine tools requiring constant torque.
• Inverter-driven systems for energy savings.

FAQ

• Q: What is the rated speed of this motor?
  A: 1481 min⁻¹ at rated load.
• Q: Can I use this motor with a VFD?
  A: Yes, it is inverter duty rated per VPWM.
• Q: What is the protection rating?
  A: IP55 standard; IP66 available on request.
• Q: How much does the motor weigh?
  A: 630 kg.
• Q: What is the warranty period?
  A: 12 months from delivery.
• Q: How fast do you ship?
  A: Within 12–24 hours via FedEx, UPS, or DHL.
• Q: Is this motor a direct replacement for DRS series?
  A: Yes, DRN.. is the IE3 successor to DRS../DR2S..
• Q: What is the efficiency at 75% load?
  A: 95.6 % at 400 V, 50 Hz.
• Q: Can I mount it differently?
  A: IM B3, B5, B14 options are available on order.
• Q: What is the power factor?
  A: cos φ = 0.84.
• Q: How do I choose between IP55 and IP66?
  A: Choose IP66 for high-pressure washdown or fine dust. IP55 suits most industrial indoor use.
• Q: What should I check before ordering?
  A: Confirm supply voltage, mounting, and inverter compatibility. Also check ambient temperature and altitude.

Buying Guide

• Match rated voltage to your supply: 400 V, 50 Hz.
• Check mounting needs: IM B35 standard, others optional.
• Confirm inverter use: VPWM rated for variable speed.
• Verify ambient conditions: -20 to +40 °C.
• Consider IP66 if washdown or dust is severe.
• Order spare parts from SEW DRN.. modular system.

Contact Information

• Email: sales@powergearx.com
• Phone/WhatsApp: +86 18030005825

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