Danfoss 175G5509 VLT Soft Starter MCD50141BT5G2X00CV1 soft starter for controlled starting and stopping of industrial three-phase motors with 141 A operational current.
The Danfoss 175G5509 is a powerful VLT® Soft Starter MCD 500 engineered to provide smooth, reliable starting and stopping of three-phase induction motors in demanding industrial applications. Identified by the type code MCD5-0141B-T5-G2X-00-CV1, this intelligent soft starter delivers advanced motor protection, adaptive control and integrated bypass technology for enhanced operational efficiency.
Designed for OEMs, panel builders and industrial maintenance professionals, the MCD 500 series helps minimise electrical inrush current and mechanical stress during motor acceleration and deceleration. Adaptive Acceleration Control automatically optimises the motor starting profile, improving equipment life while reducing maintenance requirements.
With a 141 A rated operational current, a three-phase 200-525 V AC supply and a 24 V AC/DC control supply, the Danfoss 175G5509 is ideally suited to heavy-duty industrial motors used in pumps, conveyors, compressors, fans and process machinery. The integrated bypass contactor improves efficiency by reducing heat generation once the motor reaches full operating speed.
The Danfoss MCD 500 soft starter controls motor acceleration and deceleration by gradually increasing or reducing the applied voltage. This significantly reduces starting current, mechanical shock and wear on connected equipment while improving the overall reliability of industrial systems.
Its comprehensive protection functions monitor motor overload, phase imbalance, phase loss, excessive start time, supply conditions and heat sink temperature, helping maximise equipment uptime and reduce maintenance costs.
| Current | 141 A |
|---|---|
| Voltage | 24 V |
| Phase | Three Phase |
| IP Rating | IP00 |
| Series | VLT® Soft Starter MCD 500 |
| Part number | 175G5509 |
| Product type | Soft starter |
| Rated current | 141 A |
| Duty rating | AC53b 3-30:570 |
| 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 | G2 / Frame size 2 |
| Gross weight | approx. 15.7 kg |
| Net weight | approx. 14.9 kg |
| Integrated bypass | Yes |
| EAN | 5710107567904 |
The Danfoss 175G5509 provides controlled starting and stopping of three-phase induction motors while reducing electrical inrush current and mechanical stress.
The unit has a 141 A rated operational current, making it suitable for demanding industrial motor applications.
The Danfoss 175G5509 operates from a three-phase 200-525 V AC mains supply.
Yes. The MCD 500 includes an internal bypass contactor that reduces power losses and heat generation during normal motor operation.
It is designed for installation inside industrial electrical control panels serving pumps, conveyors, compressors, fans and other motor-driven machinery.
Danfoss VLT® Soft Starter MCD 500 units are trusted worldwide by OEMs, automation engineers and industrial maintenance teams for delivering reliable motor protection, efficient starting performance and long-term operational reliability.
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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...