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575v3ph 7.5hp 1770rpm Motor

Baldor EM3311T-5 Motor – 575V 3-Phase, 7.5 HP, 1770 RPM, Frame 213T (OPSB Enclosure)

The Baldor EM3311T-5 Motor is a premium-efficiency, general-purpose three-phase AC motor engineered for reliability, durability, and high performance in demanding industrial applications. Built with a rugged steel frame (213T) and OPSB enclosure, this motor delivers 7.5 horsepower at 1770 RPM, making it ideal for pumps, fans, compressors, conveyors, and other equipment requiring consistent torque and smooth operation.

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Key Features

• Powerful Performance – 7.5 HP output @ 60 Hz

• Efficient Operation – 91.0% efficiency at full load

• 575V / 3-Phase – Designed for industrial power systems

• 1770 RPM – 4-pole motor for stable speed control

• OPSB Enclosure – Open, splash-proof design

• Steel Frame (213T) – Durable construction

• Inverter Ready – Suitable for VFD applications

• Continuous Duty (CONT) – Built for sustained operation

• Reversible Rotation – Flexible installation

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Technical Specifications

• Catalog Number: EM3311T-5

• Manufacturer: Baldor

• Motor Type: Three Phase

• Output: 7.5 HP @ 60 Hz

• Voltage: 575V @ 60 Hz

• Frequency: 60 Hz

• Full Load Speed: 1770 RPM

• Synchronous Speed: 1800 RPM

• Current: 8.01 A @ 575V

• Frame: 213T

• Frame Material: Steel

• Enclosure: OPSB (Open Splash Proof)

• Mounting: Rigid Base (F1)

• Poles: 4

• Insulation Class: F

• Service Factor: 1.15

• Duty Rating: Continuous (CONT)

• Efficiency: 91.0%

• Design Code: A

• KVA Code: J

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Mechanical Details

• Shaft Diameter: 1.375 in

• Overall Length: 16.32 in

• Bearings: Ball Bearing (Pulley End)

• Lead Termination: Flying Leads

• Lead Quantity/Wire Size: 3 × 14 AWG

• Lead Exit: KO Box

• Rotation: Reversible

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Compliance & Approvals

• Agency Approvals: cURus, EEV

• NEMA Premium® Efficiency

• RoHS Compliant

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Applications

Perfect for a wide range of industrial and commercial equipment:

✔ Pumps
✔ Fans & Blowers
✔ Air Compressors
✔ Conveyors
✔ Machinery & Process Equipment

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Why Choose Baldor?

Baldor motors are recognized for long service life, energy efficiency, and consistent performance, reducing downtime and operational costs.

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Compatibility Note

Always verify voltage, frame size, and shaft requirements before purchase.