DRN180M4 SEW IE3 Motor 18.5 kW 400 V 4-Pole TEFC IP55

SEW-EURODRIVE DRN180M4 IE3 Three-Phase Motor | 18.5 kW, 4-Pole, TEFC

Moreover, the Model DRN180M4 from SEW-EURODRIVE is a premium efficiency IE3 motor. It delivers 18.5 kW at 400 V, 50 Hz. In addition, this 4-pole squirrel-cage motor runs continuously (S1). Therefore, it suits demanding industrial drives. The DRN.. series replaces the DRS../DR2S.. line. As a result, it is a current global product.

Technical Data

• Brand: SEW-EURODRIVE
• Model: DRN180M4
• Series: DRN Three-Phase Asynchronous Motor
• Motor type: Squirrel-cage three-phase asynchronous (TEFC), 4 poles
• Rated power: 18.5 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: 33.5 A at 400 V, 50 Hz
• Rated speed: 1478 min⁻¹ at rated load
• Rated torque: 120 Nm
• Efficiency: IE3 (Premium Efficiency per IEC 60034-30-1); η at 100% load = 92.6 % (η at 75% = 93.1 %, η at 50% = 92.8 % at 400 V, 50 Hz)
• Power factor: cos φ = 0.85
• Insulation class: Thermal class 155 (F) per IEC 60034-1 (thermal class 180 (H) on request, per DRN series)
• 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)
• Protection rating: IP55 per IEC 60034-5 (up to IP66 on request)
• 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 official technical data doc 31974465, family-level for DRN.. motor series)
• Relative humidity: Non-condensing (no specific %RH value published by manufacturer for DRN motor series; per IEC 60034-1 standard motor environmental conditions)
• Weight: 155 kg (motor weight mMot per SEW official rated-data table)
• Dimensions (H×W×D): Not published as numerical table (overall envelope dimensions not published in the SEW motor-inverter assignment table; consult SEW dimension sheets)

Installation Guide

• First, mount the motor securely on a rigid base. Use IM B35 foot and flange mounting as standard.
• Then, align the motor shaft precisely with the driven load. Avoid excessive radial or axial forces.
• Next, connect the power supply according to the nameplate. Check the star/delta configuration for your voltage.
• Also, ensure proper ventilation. Keep the cooling fan and fins free from dust and obstructions.
• Furthermore, use cable glands that maintain IP55 protection. Seal all openings properly.
• Finally, for inverter operation, follow VPWM guidelines in IEC 60034. Use a suitable VFD rated for the motor current.

Setup and Maintenance Convenience

• Moreover, the terminal box allows easy access for wiring changes. Rotate the box in 90° steps for flexible cable entry.
• Additionally, bearings are lifetime-lubricated for most standard applications. No re-greasing needed for normal duty.
• Also, check insulation resistance periodically. Dry windings if moisture is present before startup.
• Then, inspect fan cowl and cooling channels every 6 months. Clean if clogged with dust or debris.
• Furthermore, verify vibration levels and coupling alignment annually. Address any abnormal noise or heat immediately.
• Finally, for high-humidity or outdoor use, consider space heaters to prevent condensation during idle periods.

Compatibility Notes

• Firstly, it works with standard three-phase 400 V, 50 Hz mains. Also compatible with 230/400 V or 400/690 V supplies when reconnected.
• Secondly, it is approved for line and inverter duty (VPWM). Use with SEW inverters or equivalent VFDs for variable speed control.
• Thirdly, it fits IM B35, IM B3, IM B5, and IM B14 mounting arrangements. Adapter flanges available for special needs.
• Moreover, it is interchangeable with SEW DRS../DR2S.. series in many existing installations. Check shaft and flange dimensions.
• Finally, it is compatible with common gear reducers from SEW and other brands. Verify torque and speed ratings.

Certifications

• IE3 Premium Efficiency per IEC 60034-30-1.
• Insulation class F (155) per IEC 60034-1.
• Cooling method IC 411 per IEC 60034-6.
• Protection rating IP55 per IEC 60034-5. IP66 available on request.
• Duty type S1 continuous per IEC 60034.
• CE marked and compliant with relevant EU directives.

Packaging List

• 1 x SEW-EURODRIVE DRN180M4 motor
• 1 x terminal box cover with gasket
• 1 x shaft key (if applicable)
• 1 x operation and maintenance manual (digital or printed)
• 1 x declaration of conformity
• Mounting bolts not included unless specified in order.

Warranty and Shipping

• Warranty: 12 months from delivery date. Covers manufacturing defects only. Excludes wear parts and improper use.
• Dispatch: 12-24 hours for in-stock items after payment clears.
• Courier: FedEx, UPS, or DHL. Tracking number provided. Delivery time varies by destination.
• Contact: sales@powergearx.com or +86 18030005825 (WhatsApp).

Expert Review

Therefore, the SEW DRN180M4 is a workhorse for industrial automation. Its IE3 efficiency cuts energy costs. Moreover, the TEFC design handles dusty, damp plants. With 120 Nm torque and 1478 rpm, it drives conveyors, pumps, and mixers reliably. Additionally, the motor runs cool and quiet. Inverter duty readiness adds flexibility. Consequently, if you need a robust, low-maintenance motor for continuous operation, this is a solid choice. Note the 155 kg weight for mounting plans.

Manager’s Insight

Furthermore, we see strong demand for the DRN180M4 in food processing and material handling. Clients value the IP55 protection and IE3 savings. Also, the star/delta changeover helps in global projects. Stock is stable but lead times can stretch for custom flanges. Therefore, order the standard IM B35 to get the fastest 12-24 hour dispatch. Pair it with a SEW VFD for best performance. As a result, this motor rarely comes back for warranty issues.

Ideal Equipment and Applications

• Conveyor belts and material handling systems.
• Centrifugal pumps and positive displacement pumps.
• Industrial mixers and agitators.
• Fans and blowers for ventilation.
• Compressors and extruders.
• Packaging machinery and textile equipment.
• Any continuous duty application needing 18.5 kW at 400 V.

FAQ

Q: Can this motor run on a 60 Hz supply?
A: Yes, but the speed and torque change. At 60 Hz, the speed rises to about 1774 rpm. Voltage must stay within the V/Hz ratio to avoid saturation. Consult SEW for exact derating.

Q: What is the difference between DRN and DRS series?
A: The DRN series meets IE3 efficiency. The older DRS series was often IE2. They share many mounting dimensions. DRN is the current replacement. Always check shaft and flange details.

Q: Do I need a special cable for inverter use?
A: Yes. Use shielded motor cable for inverter duty. Ground the shield at both ends. This reduces electrical noise and protects the motor insulation.

Q: How often should I grease the bearings?
A: Standard DRN180M4 bearings are lifetime-lubricated. No greasing needed for normal ambient and load. For high vibration or extreme temperatures, consult SEW for a maintenance schedule.

Q: What if my supply is 230 V?
A: You must reconnect the motor windings from delta to star. This changes the rated voltage. Check the terminal box diagram. Never apply 400 V in star connection if the motor is set for 230 V delta.

Q: Is the motor safe for outdoor use?
A: IP55 protects against dust and water jets. It can be used outdoors with a cover to prevent direct rain. For heavy washdown, order the IP66 option.

Q: How do I choose between IM B3, B5, and B35?
A: IM B3 is foot-mounted only. IM B5 is flange-mounted only. IM B35 has both feet and flange. B35 offers the most mounting flexibility. B3 is simplest for floor mounting.

Q: What is the lead time for a custom voltage?
A: Custom voltages or special shafts usually add 2-4 weeks. Standard 400 V, 50 Hz units ship in 12-24 hours if in stock. Contact sales@powergearx.com for current stock.

Q: Can I return the motor if it does not fit?
A: Returns are accepted within 30 days if unused and in original packaging. A restocking fee may apply. Warranty covers defects, not incorrect ordering. Verify dimensions before purchase.

Buying Guide

• First, confirm your supply voltage and frequency. Most DRN180M4 units come set for 400 V, 50 Hz in delta.
• Then, check the mounting pattern. IM B35 is the most common. Measure your existing flange and bolt holes.
• Next, match the shaft diameter and keyway to your coupling or pulley. Standard shaft is 48 mm with 14 mm key.
• Also, for inverter use, choose a VFD rated for 33.5 A or higher. Use shielded cable to meet EMC rules.
• Furthermore, consider ambient conditions. For >40 °C or >1000 m altitude, derate the motor or ask for a special design.
• Additionally, order spare terminal box gaskets and cable glands if the motor will be installed in wet areas.
• Finally, always buy from an authorized distributor. Powergear X Automation Limited offers genuine SEW motors with full warranty.

Contact Information Inquiries: sales@powergearx.com or +86 18030005825 (WhatsApp). We reply within hours.

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