W521B MARATHON MOTOR 3HP 1200 3PH 213T TEFC
Replaces Marathon W521 / W521A / Leeson 811649.00
Marathon's Severe Duty Petro Chem Motors are solidly manufactured for long lasting durability and dependability. 3 Phase, rigid mounting, continuous duty motors specially designed to withstand use during severe environmental conditions. Ball bearing construction accommodates varying belt loads and tension.
- Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2014
- Meets IEEE-841 standard for severe duty applications
- 100% cast iron construction for rigidity and reduced vibration
- Inpro/Seal® VBX® bearing isolators on drive end shaft extension TENV and on both ends of TEFC
- IP56 protection
- MAX GUARD® 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
