Description
Marathon Crane Range Motors have been specifically designed for crane applications and the mechanical features are such that they are particularly suitable for this duty.
APPLICATIONS
Marathon Low Voltage Heavy Duty Wound Rotor Crane Range Motors have been designed and rated for driving, hoisitng, hauling and other intermittently operated machinery in the metal industries.
FEATURES
- Metric dimensions as per IEC®* : 60072-1/ IS1231
- Totally enclosed weather protected IP55-IC411
- High ratio of pullout torque/rotor inertia
- Ratings up to approximately 450kW
- Larger outputs available for certain specific requirements
- Supply voltages up to 690 Volts
- Ambient temperature 45°C (upto KS 315 frame) and Ambient temperature 40°C (KS 355 Frame – KS 500 Frame)
- Insulation class F/F (stator/ rotor) with temperature rise limited to class B/B
STANDARDS AND SPECIFICATIONS
- Standard Crane Range Motors comply with the requirements of IPSS: 1-03-003-08
- Degree of Protection by enclosure: IP55 and conforms to the requirements of IEC: 60034-5 & IS/IEC: 60034-5
- Cooling Form: Totally enclosed fan-ventilated IC411 to IEC: 60034-6 and IS: 6362
- Mounting Arrangements: There are in accordance with IEC : 60034 -7. The standard motors are foot mounted as per IS : 1231. Foot cum flange and horizontal flange mounting arrangements are available if required.
- Ratings and Performance: Crane Range motors comply with the requirement IEC: 60034 -1, IS: 15999-1 & 1-03-003-08.
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