Danfoss 175G5518 VLT Soft Starter MCD50790CT5G4X00CV1 soft starter for controlled starting and stopping of industrial three-phase motors with 790 A operational current.
The Danfoss 175G5518 is a high-capacity VLT® Soft Starter MCD 500 designed for the intelligent starting and stopping of large three-phase induction motors in the most demanding industrial environments. Identified by the type code MCD5-0790C-T5-G4X-00-CV1, this advanced digital soft starter combines adaptive motor control, integrated bypass technology and comprehensive protection to maximise reliability, efficiency and equipment lifespan.
The MCD 500 series significantly reduces electrical inrush current and mechanical stress during motor acceleration and deceleration. Adaptive Acceleration Control automatically optimises the start and stop profile for the connected application, helping to extend the life of motors, pumps, conveyors, compressors and other driven equipment while reducing maintenance requirements.
With a 790 A rated operational current, a three-phase 200-525 V AC mains supply and a 24 V AC/DC control supply, the Danfoss 175G5518 is ideally suited to heavy industrial applications including mining, material handling, water treatment, manufacturing and process industries. The integrated bypass contactor improves efficiency by reducing heat generation and power losses once the motor reaches full operating speed.
The Danfoss MCD 500 gradually controls the voltage supplied to the motor during acceleration and deceleration. This reduces starting current, torque shock and mechanical wear while extending the operating life of motors and connected machinery.
Its intelligent protection functions continuously monitor overload, phase loss, current imbalance, excessive start time, motor temperature and supply conditions, helping maximise equipment uptime across demanding industrial applications.
| Current | 790 A |
|---|---|
| Voltage | 24 V |
| Phase | Three Phase |
| IP Rating | IP00 |
| Series | VLT® Soft Starter MCD 500 |
| Part number | 175G5518 |
| Product type | Soft starter |
| Rated current | 790 A |
| Duty rating | AC53a 3-30:50-6 |
| Input voltage | 200–525 V AC |
| Input phases | 3-phase |
| Control voltage | 24 VAC/VDC |
| Frequency | 50 / 60 Hz |
| Protection rating | IP00 |
| Mounting type | Panel mounting |
| Frame size | G4 / Frame size 4 |
| Bypass | Continuous without integrated bypass contactor |
| Motor protection | Electronic overload and thermal protection |
| Gross weight | approx. 53 kg |
| Net weight | approx. 45 kg |
| EAN | 5710107568079 |
The Danfoss 175G5518 provides controlled starting and stopping of large three-phase induction motors while reducing electrical inrush current and mechanical stress.
The unit has a 790 A rated operational current, making it suitable for high-power industrial motor applications.
The Danfoss 175G5518 operates from a three-phase 200-525 V AC mains supply.
Yes. The MCD 500 incorporates an integrated bypass contactor that improves efficiency by reducing heat generation during normal motor operation.
It is designed for installation inside industrial electrical control panels serving large pumps, compressors, conveyors, mining equipment and other high-power motor-driven applications.
Danfoss VLT® Soft Starter MCD 500 units are trusted worldwide by automation engineers, OEM machine builders and industrial maintenance professionals for delivering reliable motor protection, efficient starting performance and dependable operation in demanding industrial applications.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...