MJ-MA Asynchronous motors
Asynchronous three-phase, electric motors with squirrelcage rotors, class F insulation, class B overtemperature, IP55 protection degree, multivoltage 380...480Vac (690Vac), multifrequency
50/60Hz.
TECHNICAL SPECIFICATIONS
MJ-MA series: IEC 63...400; 0,09...900kW; 2,4,6,8 poles, one speed
Case IP55 size MJ 63...132 of pressure-diecast aluminium alloy with detachable feet. MA 160...400 cast iron case.
Thermal insulation class F/B.
Rated power delivered on continuous duty (S1) maximum room temperature of 40°C and maximum altitude 1000 masi.
Mounting positions: IM B3, IM B5, IM B14 and combined positions B3/B5 and B3/B14.
Bearings made by the best bearing-manufacturers provided with greaser MA 160..450 and selected for the specifi c use on electric motors (”SKF” o “NSK”)
Stator-winding: made with double-coated copper-wire insulated in H class,impregnation system with high quality H class (total 180°C) resins.
Windings-protection: bimetal-type thermal probes are a standard equipment on sizes MA 160...400.
OPTIONS
- Customized power supply
- Additional impregnation for stator winding
- Insulation class F/H
- Bearings C3 (For radial loads)
- Bearings 2RS (Dust proof)
- Double fl ange motor
- Condensation drainpipe (Depending by the case and the mouting)
- Mounting position IM B35 (B3/B5)
- Mounting position IM B34 (B3/B14)
- IP 56
- Internal heater
- Single/Three phase forced cooling
- Encoder
- Hollow tacho application
- Bimetallic thermal
- Thermal probes PTC
- Thermal probes PT100
- Water proof cover
- Insulated bearings
- Single phaser motors, power greater than 900kW and MV available on demand
DOWNLOAD
Catalogues
Catalogue Industrial Automation 2011 DE EN
[PDF, 4.8MB]
Catalogue Industrial Automation 2011 PT ES
[PDF, 3.6MB]
