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Shanghai Fortune Electric Co., Ltd.

DC Motor, Motor, DC Electric Motor manufacturer / supplier in China, offering Z4 Series Medium Size DC Electric Motor, Upward Oxygen Free Copper Rod Continuous Casting Machine, Horizontal Brass Tube/Pipe 24h Continuous Production Line and so on.

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Supplier Homepage Product Machine DC Motor Z4 Series Medium Size DC Electric Motor

Z4 Series Medium Size DC Electric Motor

FOB Price: US $1,500-40,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1,500-40,000/ Piece
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Production Capacity: 500PCS/ Month
Transport Package: Plywood Case
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: Z4
  • Operating Speed: Adjust Speed
  • Function: Driving
  • Structure and Working Principle: Brush
  • Certification: ISO9001, CCC
  • Power Range: 1 Kw to 5000 Kw
  • Field Voltage: 180 220 310 VDC
  • Insulation Class: F or H
  • Duty: S1 or Else
  • Trademark: China Electric
  • Origin: China
  • Application: Industrial
  • Excitation Mode: Excited
  • Casing Protection: IP21s, P23, IP44
  • Type: Z4
  • Brand: China Electric
  • Armature Voltage: 400 440 550 600 660 VDC
  • Cooling Method: IC06, IC17, IC37, IC86W
  • Mounting: Imb3 Imb35 Imv1
  • Speed Feedback: Tachogenerator or Encoder
  • Specification: IEC Standard, With CE Certificate
  • HS Code: 85013300
Product Description
Series Z4 Medium Size DC ELECTRIC MOTOR, also called as electric motors are newly developed products of our factory. The products are found wide use for prime mover in various, such as mill auxiliary in metallurgical industry, metal cutting machine-tool, paper making, print, textile, printing and dyeing, cement-making, plasticextruding machine, etc.

Outline and mounting dimensions of the motors comply with IEC72 Standard, except for the axial distance between the mounting holes (dimension B).

Performance and technical requirements of the motors can be checked in accordance with IEC34-1 Standard of the International Electro technical Commission, or DIN57350 Norm of the Deutsche Industries-Norm.

The Medium Size DC ELECTRIC motors are class F insulated, with reliable insulating construction and impregnating process, ensuring stable dielectric performance and excellent heat dissipation.

The Medium Size DC ELECTRIC motors possess the features of small size, good performance, light weight, large output, high efficiency and reliability, being able to match the current international advanced level.

The motors can be lastingly operated form fully controlled three-phase bridge without a smoothing reactor. Motors for 160V may be operated on single-phase bridge thyristor. In that case, a smoothing reactor, whose inductance is specified in the relevant technical date, should be inserted in the reactor to suppress ripple current.

1) Technical standards:
A) Continuous duty: S1
B) Domestic environmental standard: GB/T 755 (fundamental technical qualifications for motors)

2) Specifications:
A) Nominal rated voltage: 160V, 440V (220V, 440V or other voltage available)
B) Nominal field voltage: 180V
C) Rated speed (nine grades): 200rpm, 300rpm, 400rpm, 500rpm, 600rpm, 750rpm, 1000rpm, 1500rpm, 3000rpm

3) Operating ambients:

A) Altitude: Less than or equal to 1, 000m
B) Maximum cooling temperature: 40oC
C) Free from acidic, alkali fumes or other irritant gas which could corrode insulating materials

4) Compensation windings available for Z4-315, Z4-355, Z4-400 and Z4-450
5) Z4-250 and Z4-280 are also feasible with compensation windings
6) Marked earthing terminals supplied

Armature and field circuits for motors may be either operated by static thyristor controlled supplies or DC generators. Torque can be maintained constant by reducing speed via weakening armature voltage below rated value. We assure that the lowest armature speed range can be decreased to 20rpm by invariable torque and stable running. Meanwhile, field voltage is reduced to weaken speed with a steady output.

These motors have separate excitations. In addition to the above listed nominal field voltage, other kinds of excitation voltage are also acceptable according tocustomers' requirements.

If voltage is less than 500V, forced excitation is allowed. When a motor is normally operating, the excitation current should be no higher than the rated excitation current. To keep the insulating materials of the excitation system reliable, the motor must be protected against self-induced voltage by a resistor connected in parallel with the field windings when the excitation circuits of the motor are interrupted.

At rated field voltage, the resistance value of a shunt resistor is about seven times more than field resistance at low temperature. While the field voltage is higher than nominal value, the resistance value of a shunt resistor may be lower. 
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