3SGf series | Three-phase "Explosion Proof" motors with squirrel-cage rotor for mining conveyor belt-drives
One speed explosion-proof motors for mining industry according to IEC60079-0, IEC60079-1 and IEC60079-7 standard with ATEX certificate designed for driving especially conveyor belt drives or impactors.
Motors are designed for operation in mines endangered by the explosion of the methane and coal dust in the spaces (zones 1 and 2) where explosive mixtures of combustible gases and steams of liquid with air can occur.
These motors belong to the category M2, 2G according to the Directive 2014/34/EU (ATEX)
CATALOGUE VERSION
Operating duty | S1/S4 |
Rated voltage | 500V or 1000V |
Frequency | 50Hz |
Synchronous speed | 3000, 1500, 1000 or 750 rpm |
Insulation class | F |
Degree of protection | IP56 |
Ambient temperature | up to +40°C |
Mounting arrangement | IM2001 (IMB35 - on feet with flange) |
Terminal box on the top with 1 cable inlet and 3 supply terminals. Thermal protection of winding and bearing(s).
OTHER NON CATALOGUE VERSIONS ARE AVAILABLE ON REQUEST
Tipo | Altezza d'asse | Poli | Potenza [kW] | Potenza [HP] | Giri [rpm] | Coppia nominale [Nm] |
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3SGf250M2A-E | 250 | 2 | 45 | 60 | 3000 | 145 |
3SGf250M2B-E | 250 | 2 | 75 | 100 | 3000 | 242 |
3SGf250M4-E | 250 | 4 | 55 | 75 | 1500 | 357 |
3SGf250M4z-E | 250 | 4 | 65 | 87 | 1500 | 421 |
3SGf250M6-E | 250 | 6 | 45 | 60 | 1000 | 439 |
3SGf280M2-E | 280 | 2 | 90 | 125 | 3000 | 289 |
3SGf280M4-E | 280 | 4 | 90 | 125 | 1500 | 582 |
3SGf315M4-E | 315 | 4 | 132 | 175 | 1500 | 853 |