W556A

features

• Meets or exceeds NEMA PremiumВ® efficiency. Model is in compliance with EISA2049
• Meets IEEE-841 standard for severe duty applications
• 100% cast iron construction for rigidity and reduced vibration
• Inpro/SealВ® VBXВ® bearing isolators on drive end shaft extension TENV and on both ends of TEFC
• IP56 protection
• MAX GUARDВ® Class H insulation system
• Constant torque for inverter duty
• Sintered bronze breather with brass drain & breather
• Bearing caps, Precision balanced to .08”/sec
• 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power