ZZJ800 Series DC Motor

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Power: 3.75kw - 186KW

Voltage: Normal 400V, 220V

Speed: Rated Speed reference

Protection Degree: IP23/IP44

Cooling method: IC01/IC06/IC17/IC37

Insulation Class: F

Duty: S1

Package: Export Wooden Package

Payment: 30% in advance, balance by T/T or L/C at sight.

Description and application

ZZJ-800 series hoisting and metallurgical DC motor is a kind of dc motor used for metallurgy and hoisting, available for steel rolling machine, crane, elevator and electric excavator, etc.

The motor have lower moment of inertia (GD), higher overload capacity, and quicker speed response so that it is possible to undergo frequent starting, braking, and repeated change of direction of rotation. Moreover, the motor are reliable, perform well in speed regulating, and can be operated suitably on thyristor continue rolled supplies.

The sturdy unitary round frame structure is highly resistant to shock impact. All the windings are VPI(Vacuum pressure impregnated) with class F insulation, to form an integral construction with the laminated cores, ensuring high dielectric stability and excellent heat dissipation. Besides, the connection between armature winding and segment risers is employed by TIG welding(inert gas tungsten are welding), thereby improving the electro-mechanical reliability.

Electrical Performance

Basic type of construction is horizontal foot-mounted and 2 shaft-ends which are 1:10 tapered. Terminal box is located at the right side of motor viewed from the main drive end.

Rating, performance and outline mounting dimension all conform to the standard of IEC 34-13 specification for mill auxiliary motor, and national standard GB5227 specification for mill auxiliary DC motor.

Modes of protection and cooling have 6 kinds:

1. Totally enclosed, self-cooling. IP44, IC410.
2. Drip-proof, force ventilated with built-on blower. IP23S, IC06.
3. Drip-proof, single pipe ventilated. IP23S, IC17.
4. Totally enclosed, double pipe ventilated. IP44, IC37.
5. Drip-proof, self-ventilated. IP23S, IC01.
6. Totally enclosed, force ventilated with air-to-water heat exchanger. IP44, IC86W(only for ZZJ-806-818). It may also be made into other different types on request.

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