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Home > Products >AC Motors > High efficiency motors > SNA series
 
MD / MH L-force three-phase AC motors

Three Phase NEMA Premium Efficiency Motor

WONDER SNA series NEMA Premium motors are totally enclosed, fan cooled three phase squirrel cage type, built to comply with NEMA standards, and designed for operation in general industries, meet or exceed all NEMA Premium and IECEE requirements for energy efficiency. The features are characterized with low temperature rise, low noise and vibration, strong starting torque, sturdy construction, durable in use and stable performance.

STANDARD FEATURES (Frames 140T to 440T, rated power 1~300HP) – Cast Iron
Three-phase, 2, 4,and 6 pole, 60/50Hz
Voltage: 208-230/460V, 200V, 380V, 460V or 575V
Totally Enclosed Fan Cooled – TEFC (IP55) water tight and dust tight enclosure
SKF/NSK/NTN Ball bearings are supplied as standard
NEMA dimensions
Class ‘F’ insulation for all frames
Temperature rise: Class ‘B’ (80℃)
Service factor: 1.15
Continuous duty (S1)
104oF (40℃) ambient temperature
Altitude: 3300 ft (1000m)
NPT threaded terminal box
F1 mounting
Stainless steel nameplate with laser etching
Gasketed conduit box

OPTIONAL FEATURES
Special voltages
Specially designed shaft
Space heaters
Thermistor, Thermostats or RTD’s (PT100)
Additional terminal box
Drip cover (canopy) for shaft down applications
Cable glands or blind cap
‘C’ and ‘D’ flanges for all ratings
Roller bearings on drive end available for all frames
Labyrinth taconite seal available on all ratingsz

APPLICATIONS
Energy saving applications where continuous or frequency
 is required ideal for tough industrial applications:
Chemical plants
Compressors
Pulp and paper mills
Crushers
Refineries
Pumps
Steel mills
Fans
Cement mills
Packaging equipment


 
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