DC motor MD800
synchronous230 Vreinforced

DC motor
DC motor
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230 V
Protection class
mill duty, for crane, heavy-duty
Other characteristics
high-torque, low-speed, with control system

Min.: 5 ch
(5 hp)

Max.: 250 ch
(250 hp)

Rotational speed

Min.: 435 rpm
(2,733.19 rad.min-1)

Max.: 2,050 rpm
(12,880.53 rad.min-1)


Min.: 15.56 in

Max.: 35.94 in

Operating temperature

40 °C
(104 °F)


This low base speed, high torque motor is used in high performance, automatic control systems that require a fast-transient response. These motors are ideal for use in steel plants, excavating equipment, shipyard cranes, coal and ore dock cranes. They operate well in constant potential or adjustable voltage drive systems with either rectified power supplies or motor-generator sets. MD800 motors meet standards established by the Association of Iron and Steel Technology (AIST). • Heavy-duty, double tapered shaft is removable and replaceable. • Single width cylindrical roller bearings for high intermittent and impact thrust capacity. • TIG welding of the armature coil leads to the commutator makes the motor highly resistant to overloads. • Fast dynamic response and smooth speed control due to optimal system inertia. • Advanced Tape-Reinforced Encapsulated Construction (TREC) coil technology is highly resistant to contamination, vibration, impact and wear. • Specifically designed to accelerate, decelerate, or reverse under conditions of severe duty-cycle operation. • Optimal Class H insulation protection is standard.
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.