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SNA Series
NEMA Premium Efficiency Cast Iron Motors
NEMA SNA series Motor are CUL certified and of premium efficiency , and with a CC number 129B from DOE.


NEMA SNA series Motor are CUL certified and of premium efficiency , and with a CC number 129B from DOE. SNA series motors equal or exceed the efficiency standards set in NEMA publication MG 1-2006, table 12-12, which represents the highest motor efficiency  standard to date. SNA series are totally enclosed, fan cooled, three phase squirrel cage motor, built to comply NEMA, and designed to be used in general industries. The features are characterized with low temperature rise, low noise, low vibration, high starting torque, sturdy construction, long life-time, and stable performance. STANDARD FEATURES (Frames 140T to 440T, rated power 1~300HP) ¨C Cast Iron Three-phase, 2, 4,and 6 pole, 60/50Hz Voltage: 230/460V, 460V or 575V Totally Enclosed Fan Cooled ¨C 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'(80K)  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 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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