ERH

ABB’s ERH external rotor motor delivers high efficiency and quiet operation in a compact, space-saving design.

THE LATEST INNOVATION IN AIR HANDLING

Engineered for fans, blowers and ventilation systems, ERH integrates seamlessly into the impeller for reliable performance and simplified installation. With robust construction, low vibration and energy-saving operation, the ERH motor is the ideal choice for HVAC and air-handling applications where performance and footprint matter most.

TECHNICAL DATA

ABB’s ERH external rotor motor integrates motor and drive in a compact design, delivering IES5 ultra-premium efficiency with whisper-quiet operation for demanding HVAC and air-movement applications.

Up to 7.5Hp

Power range 1 - 7.5Hp (0.75 - 5.5kW).

Efficiency IES5

per IEC 61800-9-2 that defines efficiency for Power Drive System (PDS).

Protection IP65

for durability.

Up to 3000RPM

rotation speed 1800 to 3000RPM.

Insulation Class F

thermal ratings for maximum temperature of 155 °C (311 °F).

Up to 30Nm

rated torque.

EXPLORE THE KEY FEATURES AND BENEFITS

The ABB ERH external rotor motor provides ultra-quiet, IES5-efficient operation in a compact, integrated motor-and-drive design, ideal for data center cooling and fan OEM applications.

Energy efficient

IES5 efficient per IEC 61800-9-2 that defines efficiency for Power Drive System (PDS).

Light & compact

ERH’s lightweight, compact design makes installation and servicing easier, reducing handling effort while simplifying support and maintenance.

Quiet

Whisper-quiet direct drive operation. Fewer mechanical parts mean less vibration and mechanical wear.

Easy startup

ERH comes plug-and-play and pre-configured, with a lightweight design that mounts directly to the fan hub for fast, hassle-free installation.

Shaft grounding

Enhanced bearing protection against EDM.

Durable

IP65-rated enclosure delivers reliable protection against dust and water, ensuring long-term performance even in challenging environments.

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RELATED DOCUMENTS

ABB’s ERH motor delivers simplicity and efficiency for air handling applications

Press Release

ABB, a global leader in air handling motor and drive technologies, expanded its HVAC motor product line with the launch of ERH, a highly efficient, compact and lightweight solution for fan wall applications.

Motors used in data centers

Powering the connected world

Motors are the hidden workhorses that help provide the cooling and power needed by keep data centers running. By selecting the right motor, you can prolong equipment life, increase efficiency and cut electricity consumption.

Energy efficiency in data centers with motor upgrades

Discover how optimizing both white space and gray space can help you achieve your target PUE (Power Usage Effectiveness) and maximize energy savings in data centers.

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