Z450-4B DC 750kW Motor 660v Separate Exciting

Brief Introduction

The SIMO Z4 series DC motor, represented by the Z450-4B motor 660v, is a flagship industrial drive developed by SIMO Motor, a leading Chinese motor manufacturer. Compliant with JB/T 9577 standards and CE certified, this series is engineered to deliver reliable, high-power performance for the most demanding heavy-duty applications, merging robust construction with precise speed control.

At its core, the Z450-4B motor 660v boasts a 750 kW rated power output at 660 V and 1225 A, designed to sustain continuous S1 duty cycles-critical for processes requiring uninterrupted operation. Its adjustable speed range of 700–1450 r/min, paired with a separate 220 V excitation system (27.2 A excitation current), enables fine-tuned speed regulation to adapt to fluctuating load demands, a key advantage for metal rolling mills, paper machines, and material handling equipment.

Built for resilience, the motor features an IP44 protection class and IC W37A86 cooling method, shielding internal components from dust and moisture while efficiently dissipating heat during prolonged operation. With a thermal class of 180, it maintains stable performance in ambient temperatures from 0–40 °C and altitudes up to 1000 m, ensuring reliability in harsh industrial environments. High-grade SKF bearings (SKF 6330/C3 on the drive end, 6230/C3 on the non-drive end) and a 5750 kg heavy-duty frame further extend service life, minimizing downtime and maintenance costs.

Widely deployed in mining machinery, hoists, and industrial automation systems, the Z4 series excels in applications requiring high torque, precise speed control, and long-term durability. Backed by SIMO's decades of engineering expertise and a global support network (service hotline: 400 029 1177), this motor 660v series stands as a trusted solution for modern industrial drives, combining technical excellence, operational reliability, and professional after-sales service to meet the evolving needs of global customers.

Main Technical Parameters

Production Details

Frame

• Compact and robust iron casting frame

• Universal IEC installation dimensions available

• Customizable outlook and dimensions

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Armature

• 99.9% pure copper bar for armature to ensure the output power and efficiency

• Excellent insulation system with 5 more processing flows

• All the copper bars are fitted in by handwork to ensure all slots are full and avoid any possible flaw.

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Winding

• All windings are made of pure copper to assure induction efficiency

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Testing

• All motors must pass the piece testing before painting and packaging

• Type tests will be regularly performed for each series, more often for new developed series and variants.

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Package and delivery

• All motors will be packaged well before delivery

• Plastic cover inside, vacuum tin foil outer and then solid wood box

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Applications

Cement

Oil gas

Steel

Sugar

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