Wonder Electric Motor
(M) Sdn Bhd

2A, Jalan TPP 1/1A, Taman Industri Puchong, Batu 12, Jalan Puchong, 47100 Puchong, Selangor, Malaysia.
+603-8063 9399
+603-8060 8399

Wonder Electric Motor
(S) Pte Ltd

111, Neythal Road,
Singapore 628598.

SNA Series NEMA Premium Efficiency Cast Iron Motors

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SNA Series NEMA Premium Efficiency Cast Iron Motors NEMA Series AC Motors

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.


  • (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)
  • 104°F (40?íŠ) ambient temperature
  • Altitude: 3300 ft (1000m)
  • NPT threaded terminal box
  • F1 mounting
  • Stainless steel nameplate with laser etching
  • Gasketed conduit box


  • 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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