- Bearing temperature rise is below 45°C for all 4P and 6P ratings;
50°C for all 2P motors
- Sound power levels are below 85 dBA providing quiet operation
- Full cast iron construction: frame,brackets, fan cover and
conduit box with IP55 rated protection
- Frame provided with two threaded drain holes with drain plugs
and a drilled and tapped hole for a ground lug
- Corrosion-resistant, cast iron conduit box has twice the volume
required by NEMA. The conduit box is fully gasketed with NPT
threaded conduit entry
- Regreaseable bearing construction with inner bearing caps
prevent bearing contamination
- Non-sparking plastic or bronze fan
- All internal rotor, stator and shaft surfaces are cleaned
and coated with moisture resistant varnish; Exterior is painted
with zinc-chromate epoxy base with a blue finish
- Stainless steel hardware and nameplate
- Vibration will not exceed 0.08 inches per second
- Motors can be re-rated for 415, 400 and 380 volts at 50 HZ
- CSA and UL approved for Inverter Duty per NEMA MG1 Part 31,
with speed range of 20:1 variable torque and 10:1 constant torque
As a Partner in the NEMA Premium™ Electric Motor Program,
TECO–Westinghouse Motor Company has determined that this product
meets the NEMA Premium™ Efficiency specifications for premium
energy efficiency.