Motors For Zone 21 features 12 to 315 kW-63 to 355M/L cast iron frame (IEC) 2 to 8 poles -IP66, thermal protection with resistors (PTC) 140°C, temperature classification - Zone 21 - max guaranteed external surface temperature T 125°C, temperature limitation due of the presence of dust clouds (for material with ignition temperature above 125°C) and presence of dust layers (up to 5 mm). It is used in applications such as sugar refining plants, breweries, cement plants, textiles, pharmaceuticals, chemical and agricultural process industries. WEG Electric offers motors For Zone 21. These motors are designed to operate in areas that release flammable dust and in atmospheres where mixture of air and dust cause explosions.
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