TEFC - W22 NEMA Premium Efficiency - IEC (Tru-Metric)
Three-Phase, IP55, Cast Iron Frame Efficiency Level: IE3 according to IEC 60034-30 (Equivalent to NEMA Premium Efficiency)
- Standard Features
- Premium efficiency - complying with IE3 efficiency levels according to IEC60034-30;
- Output: 0,12 up to 500kW;
- Number of Poles: 2, 4, 6 and 8;
- Frames: 63 up to 355M/L;
- Mounting: F-2 / B3L(E);
- Frequency: 60//50 Hz;
- Voltage: 460//220-240/380-415V with 6 cables for frames 63 to 100L and 460//380-415V with 6 cables for frames 112M to 355M/L;
- Class “F” insulation (ΔT=80K);
- Continuous duty: S1;
- Design N;
- WISE® (WEG Insulation System Evolution) insulation system - Suitable for inverter duty applications*;
- Ambient temperature: 40°C, at 1000 m.a.s.l.;
- Squirrel cage rotor / Aluminium die cast;
- V'Ring seal for frames 63 to 200L and WSeal® for frames 225S/M to 355M/L;
- Stainless steel nameplate AISI 316;
- Fan Covers: steel made for frames 63 to 132M/L and cast iron made for frames 160M to 355M/L;
- Regreasing nipple for frames 160M to 355M/L;
- Metric threaded cable entries on the terminal box;
- Color: RAL 5009 - Blue.
*For additional details about Inverter operation, please contact our technical support.
*Special Insulation for voltage above 575V
- Optional Available
- Other voltages;
- Design H;
- Class “H” insulation;
- Thermostats or RTD-PT 100 on windings and bearings;
Thermal protection: - Degree of Protection: IP56, IP65, IP66, IPW56, IPW65 or IPW66;
- Bearing seals:
- Lip seal ;
- Oil seal ;
- Labyrinth taconite seal and W3 Seal®;
- Additional terminal box;
- Space heaters;
- Fans: Aluminum, Cast Iron and Bronze;
- Drip cover for vertical applications;
- Double shaft end;
- Encoder;
- Cable glands in plastic and brass;
- Blower kit (TEBC);
- Roller bearings.
More options available, on request