ABB Baldor-Reliance® Critical Cooling Motors

The ABB Baldor-Reliance® Critical Cooling motor line is engineered for maximum reliability in demanding variable-speed applications. Featuring hybrid ceramic bearings with a lifetime warranty against bearing failure caused by shaft currents, these motors deliver consistent performance, energy efficiency, and long operational life—ideal for HVAC systems in mission-critical environments like data centers, clean rooms, and hospitals.

Key Points

  • Lifetime warranty on hybrid ceramic bearings protects against VFD-induced shaft currents.
  • Meets or exceeds NEMA Premium® (IE3) and Ultra Premium (IE5+) efficiency levels.
  • Designed for high reliability and low maintenance with a 5-year standard warranty.
  • Cast iron frame construction ensures long-term durability.
  • Available in TEAO and TEFC enclosures with IP54 ingress protection.
  • Suitable for inverter duty applications per MG1 Part 31.4.4.2.
  • Ideal for HVAC, data centers, and continuous-duty industrial environments.
  • Available from 1 to 30 Hp in both induction and Ferrite Assisted Synchronous Reluctance rotor designs.