Features & Benefits

• Class H Insulation for Increased Protection on Inverter Use
• Internal Grounding Ring for Bearing Current Mitigation on DE Retainer Ring
• Suitable for Inverter Use per NEMA MG1 Part 31.4.4.2

Specifications

• Enclosure Type: OPSB, IP22
• Power Rating: 50 HP
• Voltage Rating: 230/460 Volt AC 3-Phase
• Frequency Rating: 60 Hertz
• Motor FLA: 114 Amp at 230 Volt AC, 57 Amp at 460 Volt AC
• Number of Speeds: 1
• Speed Rating: 1775 RPM
• Reversible: Yes
• Service Factor: 1.15
• Efficiency: 94.5 Percent
• NEMA Frame Size: 326T
• Insulation Class: H
• Frame Material: Steel
• Mounting: Foot
• Application: Fan, Pump, Blower, Unit Handling, HVAC System, General Purpose
• Approval: UL, CSA, EEV
Overall Length 27.69 Inch; Shaft Diameter 2.125 Inch; Motor Type 4256M; Base Indicator Rigid; Mounting Arrangement F1; Pulley End Bearing Type Ball; Pulley Shaft Indicator Standard; Starting Method Direct on Line; Number of Poles 4; Power Factor 87; Temperature Rating 40 Deg C; Includes Internal AEGIS Bearing Protection Ring