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Low Voltage Motors - IEC General Purpose
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W21 - NEMA - High Efficiency
- Typical Applications
- Pumps
- Fans
- Crushers
- Conveyor belts
- Mills
- Centrifugal machines
- Presses
- Elevators
- Packaging equipment
- Grinders and others
- Standard Features
- Three-phase, II, IV, IV and VIII pole, 60Hz;
- 50/60Hz rated up to 30Hp (for 40Hp and up, please contact our sales office);
- Voltage: 208-230/460V or 575V;
- Class F insulation for all frames;
- Continuous duty - S1;
- Efficiency Certification number CC029A according to US Department of Energy Regulations;
- NEMA ratings design “B”;
- Totally Enclosed Fan Cooled (TEFC) water tight and dust tight enclosure;
- Squirell Cage Motor/Alluminium Die Cast;
- V`Ring on both endshields;
- NEMA Dimensions;
- Service Factor: 1.25 up to 100HP and 1.15 from 25HP and up;
- Continuous duty (S1);
- Ambient temperature: 40°C, 1000 m.a.s.l.;
- NPT threaded terminal box;
- Stainless Steel nameplate AISI 316;
- Paint: Synthetic enamel alkyd resin based (exceeds ASTM B117 salt spray test);
- Automatic drain plugs – pressure compensated;
- Regreasable bearings, positive pressure lubrication system (frames 254T and up);
- Thermistors type PTC (1 per phase) from frames 324T and up;
- Rating for use with VFD-12:1 constant torque speed range;
- Speed range can be extended;
- Color: RAL 5007.
- Options Available
- Special Voltages;
- Specially designed shaft;
- Blower Kit;
- Space heaters (standard on 586/7 frames);
- Labyrinth tachonite seal available for all ratings;
- Thermostats or RTD`s (PT100);
- Additional terminal box;
- Drip cover (canopy) for shaft down applications;
- Cable glands;
- “C” and “D” flanges for all ratings;
- Roller bearings on drive end available for 254 frame, IV poles and above.
- More options available, on request.
W21 - NEMA - High Efficiency
