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

Symbol Frame size Number of poles Rated output [kW] Rated output [HP] Synchronous speed [rpm] Rated torque [Nm]
Reset
3SGf250M2A-E 250 2 45 60 3000 145
3SGf250M2B-E 250 2 75 100 3000 242
3SGf280M2-E 280 2 90 125 3000 289
3SGf250M4-E 250 4 55 75 1500 357
3SGf250M4z-E 250 4 65 87 1500 421
3SGf280M4-E 280 4 90 125 1500 582
3SGf315M4-E 315 4 132 175 1500 853
3SGf250M6-E 250 6 45 60 1000 439