Standard Features
- Efficiency Certification number CC029A according to US Department of Energy Regulations;
- Three-phase, 2, 4, 6 and 8 pole, 60Hz;
- Voltage: 208-230/460V;
- No derating for 50Hz operation up to 250 HP. For 300 HP and up, please contact our sales office ;
- Totally Enclosed Fan Cooled – TEFC (IP55) water tight and dust tight enclosure;
- Squirrel cage rotor / Aluminum die cast;
- WSeal® sealing on both endshields from frame 364T/5T up to 504/5T (586/7 frame fitted with Taconite Labyrinth as standard);
- Ball bearings are supplied as standard;
- 1040/45 heat treated and stress relieved carbon steel shaft (4140 for 404/5T upwards in 4, 6 and 8 pole motors);
- Class “F” (DT 80K) insulation for all frames;
- Continuous flow insulation system with class “H” wire;
- Temperature rise limited to Class “B” (80K);
- NEMA ratings design “B”;
- Service Factor: 1.25 up to 100HP 1.15 from 125HP and up;
- Continuous duty (S1);
- 104ºF (40ºC) ambient temperature;
- Altitude: 3300 ft (1000m;
- NPT threaded terminal box;
- Stainless steel nameplate AISI 316 with laser etching;
- Paint: Synthetic enamel alkyd resin base (240 hours minimum ASTM B117 salt spray test);
- Color: RAL 6002 – Green ;
- Fitted with closed rubber drain plug;
- Regreasable bearings, With grease fittings in DE and NDE bearings;
- Gasketed conduit box;
- MGI Part 31 rating for use with VFD – 20:1 constant torque speed range up to 250HP and 12:1 above 250HP. Speed range with constant torque can be extended with optional Blower kit ;
- Optional Features
- Special voltages;
- Specially designed shaft;
- Threaded NDE shaft side for encoder assembly
- 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 Face and NEMA D flanges for all ratings;
- Roller bearing models available;
- Special epoxy painting;
er Overall Operational Temperature resulting in longer life.
