DRN90S4 SEW-EURODRIVE IE3 Motor 1.1 kW 4-Pole Three-Phase TEFC

DRN90S4 SEW-EURODRIVE IE3 Motor – 1.1 kW, 4-Pole, Three-Phase

Model DRN90S4 from SEW-EURODRIVE is a 4-pole IE3 three-phase asynchronous motor. It delivers 1.1 kW at 400 V, 50 Hz. This TEFC motor belongs to the modular DRN.. system. It runs continuously in S1 duty. The design suits line and inverter operation.

Technical Data

• Brand: SEW-EURODRIVE
• Model: DRN90S4
• Series: DRN Three-Phase Asynchronous Motor
• Motor type: Squirrel-cage three-phase asynchronous, TEFC, 4 poles
• Rated power: 1.1 kW
• Rated voltage: 400 V, 3-phase, 50 Hz (Δ connection; star/delta changeover for 230/400 V or 400/690 V per size)
• Rated current: 2.55 A at 400 V, 50 Hz
• Rated speed: 1455 min⁻¹ at rated load
• Rated torque: 7.2 Nm
• Efficiency: IE3 (Premium Efficiency per IEC 60034-30-1); η = 84.5 % at 100 % load, 85.0 % at 75 % load, 83.5 % at 50 % load
• Power factor: cos φ = 0.73
• Insulation class: Thermal class 155 (F) per IEC 60034-1; class 180 (H) on request
• Cooling method: TEFC – totally enclosed fan-cooled (IC 411 per IEC 60034-6)
• Mounting arrangement: IM B35 (foot-mounted with flange) standard; IM B3 / IM B5 / IM B14 available per order option
• Duty type: S1 (continuous operation), line and inverter duty (VPWM per IEC 60034)
• 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 (per SEW technical data doc 31974465, family-level for DRN.. series)
• Protection rating: IP55 per IEC 60034-5 (up to IP66 on request)
• Relative humidity: Non-condensing (no specific %RH value published by manufacturer for DRN series; per IEC 60034-1 standard motor environmental conditions)
• Weight: 20 kg (motor weight mMot per SEW official rated-data table)
• Dimensions (H×W×D): Not published as numerical table; consult SEW dimension sheets for overall envelope dimensions

Installation Guide

• Mount the motor using IM B35 foot and flange arrangement. Other mounts available on request.
• Ensure ambient temperature stays between -20 and +40 °C for rated output.
• Install at altitudes up to 1000 m without derating.
• Use star/delta changeover for 230/400 V or 400/690 V supplies per motor size.
• Connect according to Δ connection for 400 V, 50 Hz standard operation.
• Keep relative humidity non-condensing to protect insulation.
• Provide adequate ventilation for TEFC cooling (IC 411).

Commissioning and Maintenance

• Check rated current (2.55 A) and voltage (400 V) before start-up.
• Verify S1 duty cycle for continuous operation.
• Inspect fan and cooling paths regularly for dust build-up.
• Confirm insulation class 155 (F) limits are not exceeded.
• For inverter duty, use VPWM per IEC 60034.
• Store between -15 and +70 °C in dry conditions.
• No specific maintenance interval published; follow SEW guidelines.

Compatibility Notes

• Works with 400 V, 50 Hz three-phase supply.
• Star/delta changeover supports 230/400 V or 400/690 V networks.
• Compatible with line and inverter operation (VPWM).
• Fits SEW DRN.. modular motor system accessories.
• IE3 efficiency class meets IEC 60034-30-1.
• Mounting options include IM B3, IM B5, IM B14, and IM B35.
• IP55 protection standard; IP66 available on request.

Certifications and Standards

• IEC 60034-1 (insulation thermal class 155/F)
• IEC 60034-6 (cooling IC 411)
• IEC 60034-30-1 (IE3 Premium Efficiency)
• IEC 60034-5 (IP55 protection)
• IEC 60034 (VPWM inverter duty)

Package Contents

• 1 × SEW-EURODRIVE DRN90S4 motor
• 1 × mounting accessories set (as ordered)
• 1 × terminal box cover and gasket
• 1 × product documentation (digital or printed)

Warranty and Shipping

• Warranty: 12 months against manufacturing defects.
• Dispatch: Ships within 12–24 hours after order confirmation.
• Courier: FedEx, UPS, or DHL – chosen for fastest delivery.
• Contact: sales@powergearx.com or +86 18030005825 (WhatsApp)

Expert Review

The DRN90S4 balances IE3 efficiency with a compact 1.1 kW frame. Its TEFC design and IP55 rating handle harsh factory floors. The 4-pole speed (1455 min⁻¹) suits conveyors, pumps, and fans. Inverter duty adds flexibility for variable-speed tasks. SEW’s modular system simplifies retrofits. A strong pick for continuous industrial use.

Manager’s Insight

This motor replaces older DRS../DR2S.. units without major rework. The 20 kg weight and B35 mount cut installation time. Stock this model for food processing, packaging, and material handling lines. Pair it with SEW gearboxes for a complete drive package. Customers value the 12-month warranty and fast 12–24 hour dispatch.

Best Fit Equipment and Applications

• Conveyor systems
• Centrifugal pumps
• Industrial fans and blowers
• Packaging machinery
• Food and beverage processing lines
• Material handling equipment
• Textile machines
• Woodworking machinery
• Water treatment drives

FAQ

• Q: What voltage does the DRN90S4 use?
  A: It runs on 400 V, 50 Hz, 3-phase. Star/delta changeover allows 230/400 V or 400/690 V per size.
• Q: Can I use this motor with a VFD?
  A: Yes. It supports inverter duty with VPWM per IEC 60034.
• Q: How much does the motor weigh?
  A: The motor weighs 20 kg.
• Q: What is the protection rating?
  A: Standard IP55. IP66 is available on request.
• Q: Does it come with a warranty?
  A: Yes. 12 months against manufacturing defects.
• Q: How fast do you ship?
  A: Orders ship within 12–24 hours via FedEx, UPS, or DHL.
• Q: Can I mount it differently?
  A: IM B35 is standard. IM B3, IM B5, and IM B14 are available per order.
• Q: What ambient temperature is safe?
  A: -20 to +40 °C for rated output. Storage: -15 to +70 °C.
• Q: Is this motor IE3 rated?
  A: Yes. It meets IE3 Premium Efficiency per IEC 60034-30-1.
• Q: Do you offer technical support?
  A: Yes. Contact sales@powergearx.com or +86 18030005825 on WhatsApp.

Buying Guide

• Check your supply voltage. 400 V 50 Hz is standard for this model.
• Confirm required speed. 1455 min⁻¹ suits many constant-speed tasks.
• Match torque needs. 7.2 Nm covers light to medium loads.
• Choose mounting. B35 is standard; B3, B5, B14 available.
• Consider inverter use. This motor supports VPWM duty.
• Verify IP rating. IP55 standard; IP66 for washdown areas.
• Plan for ambient. Keep between -20 and +40 °C.
• Order spare parts with your motor to avoid downtime.

Copyright © 2026 Powergear X Automation Limited. All rights reserved.

Original Source: https://www.powergearx.com/