Danfoss 175G5508 VLT Soft Starter MCD50141BT5G1X20CV1 soft starter for controlled starting and stopping of industrial three-phase motors with 141 A operational current.
The Danfoss 175G5508 is an advanced VLT® Soft Starter MCD 500 designed to provide smooth, controlled starting and stopping of three-phase induction motors in demanding industrial applications. Identified by the type code MCD5-0131B-T5-G2X-00-CV1, this digital soft starter combines precise motor control, comprehensive protection and an integrated bypass contactor in a robust panel-mounted unit.
Using Adaptive Acceleration Control, the MCD 500 automatically selects an appropriate acceleration or deceleration profile for the connected application. This helps reduce electrical inrush current, minimise mechanical shock and protect motors, couplings, belts, pumps and other driven equipment from unnecessary stress.
With a rated operational current of 131 A, a three-phase 200-525 V AC mains supply and a 24 V AC/DC control supply, the Danfoss 175G5508 is suitable for pumps, compressors, conveyors, fans, crushers and process machinery. Its internally bypassed design reduces heat dissipation and power losses after the motor reaches operating speed.
A soft starter controls the voltage supplied to an electric motor during acceleration and deceleration. This limits starting current and torque peaks compared with direct-on-line starting, helping to reduce voltage disturbances, mechanical wear and stress throughout the driven system.
The Danfoss MCD 500 uses motor-current feedback and intelligent control algorithms to regulate the motor ramp profile. Its built-in protection functions monitor conditions including phase loss, current imbalance, undercurrent, motor overload, excessive start time, mains frequency and heat-sink temperature.
| Current | 131 A |
|---|---|
| Voltage | 24 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | VLT® Soft Starter MCD 500 |
| Part number | 175G5508 |
| Product type | Soft starter |
| Rated current | 141 A |
| Duty rating | AC53b heavy-duty operation |
| Input voltage | 200–525 V AC |
| Input phases | 3-phase |
| Control voltage | 24 VAC/VDC |
| Frequency | 50 / 60 Hz |
| Protection rating | IP20 |
| Mounting type | Panel mounting |
| Frame size | G1 |
| Integrated bypass | Yes |
| Motor protection | Electronic overload and thermal protection |
| EAN | 5710107567881 |
The Danfoss 175G5508 is used to control the starting and stopping of three-phase induction motors while reducing inrush current, mechanical shock and equipment wear.
The unit has a rated operational current of 131 A under the specified AC-53b 3-30:570 duty rating.
It is designed for operation from a three-phase 200-525 V AC mains supply.
Yes. It includes an integrated bypass contactor that reduces heat generation and electrical losses once the motor has reached operating speed.
The MCD5-0131B-T5-G2X-00-CV1 requires a 24 V AC or 24 V DC control supply.
Danfoss VLT® Soft Starter MCD 500 units are widely used by industrial engineers, panel builders and automation specialists to provide reliable motor protection, controlled acceleration and efficient operation in demanding machinery.
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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...