Railway Application Traction Motor ZD126C
Product Introduction
ZD126C is a high-power 4-pole series-wound DC traction motor, the upgraded high-power variant of ZD126 export narrow-gauge motor family. Optimized and developed based on proven ZQDR-310 motor platform, it is specially designed for matching 1067mm meter-gauge & 762mm industrial mining narrow-gauge diesel-electric locomotives and overhaul replacement of aging overseas locomotives. Adopting roller axle-hung suspension structure, it features standardized mounting dimensions, electrical terminals and ventilation ports. It adapts to high-temperature, dusty and humid mining & mainline freight lines in Africa, South America and Southeast Asia. With rated power of 323kW, it is a flagship high-power DC motor for Chinese exported narrow-gauge rolling stock. It can be used as original power for brand-new exported CKD locomotives, as well as an upgrade substitution solution for aging 300kW-class overseas narrow-gauge motors, with mass export delivery records and long-term heavy-load field operation verification.
Technical Parameter
| Item | Value |
| Rated Power | 530 kW |
| Rated Voltage | 680 V DC |
| Rated Current | 835 A |
| Rated Speed | 955 r/min |
| Max Safe Speed | 2385 r/min |
| Max Voltage | 930 V DC |
| Max Speed at Constant Power | 2285 r/min |
| Min Current at Constant Power | 610 A |
| Max Short-time Current | 1200 A |
| Rated Efficiency | 93.40% |
| Duty Cycle | S1 |
| Insulation Class | H/H |
| Exciting Type | Series-Wound |
| Cooling Method | Forced Ventilation |
| Weight | 2500 kg |
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