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Danfoss VLT Soft Starter MCD 500 MCD50131BT7G2X
Danfoss 175G5579 VLT Soft Starter MCD 500 with 105 A current rating, integrated bypass and three-phase 380-690 V AC operation for industrial motor control applications.
Why Choose the Danfoss 175G5579 VLT® Soft Starter MCD 500?
The Danfoss 175G5579 is an advanced VLT® Soft Starter MCD 500 designed for reliable and controlled starting and stopping of three-phase motors in industrial automation, machinery and heavy-duty applications. As part of the Danfoss MCD 500 soft starter series, it provides intelligent motor control, advanced protection functions and smooth acceleration performance for demanding industrial environments.
This digital soft starter combines Adaptive Acceleration Control (AAC), motor monitoring and integrated bypass technology to help reduce mechanical stress, limit electrical current surges and improve equipment reliability. The MCD 500 range is engineered as a complete motor starting solution for industrial applications requiring dependable operation and flexible configuration.
With a rated current of 131 A and support for three-phase 380–690 V AC supplies, the Danfoss 175G5579 is suitable for larger industrial motors used in pumps, fans, conveyors, compressors and processing equipment. Its IP00 enclosure and G2 frame design allow integration into customised electrical control panels and industrial motor control systems.
Key Advantages
- Advanced Danfoss VLT® Soft Starter MCD 500 for industrial motor control.
- 131 A rated current for larger three-phase motor applications.
- 380–690 V AC three-phase operation for industrial power systems.
- Integrated bypass contactor improves efficiency during normal operation.
- Adaptive Acceleration Control provides smooth motor starting and stopping.
- Comprehensive motor protection and diagnostics improve system reliability.
Key Features
- Danfoss VLT® Soft Starter MCD 500 series.
- 131 A rated operational current.
- 380–690 V AC three-phase input supply.
- 110 VAC and 220 VAC control voltage.
- Integrated internal bypass contactor.
- Adaptive Acceleration Control (AAC) technology.
- Advanced motor protection and monitoring functions.
- IP00 enclosure protection rating.
- G2 frame size for industrial panel installation.
Reliable Motor Starting for Industrial Applications
Soft starters such as the Danfoss VLT® MCD 500 regulate motor voltage during startup and shutdown, reducing mechanical shock and electrical stress. This helps extend motor life, improve system performance and protect connected machinery.
The MCD 500 series provides a complete motor starting solution with intelligent control algorithms, flexible configuration options and integrated protection features. The Danfoss 175G5579 is designed for industrial systems where reliable motor operation and reduced downtime are essential.
Typical Applications
- Industrial pumps and water treatment systems.
- Fans, blowers and ventilation equipment.
- Conveyors and material handling machinery.
- Compressors and heavy-duty processing equipment.
- Manufacturing and production machinery.
- Large industrial three-phase motor applications.
Technical Specifications
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| Current | 131 A | |
|---|---|---|
| Voltage | 110 V | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Series | VLT® Soft Starter MCD 500 | |
| Part number | 175G5579 | |
| Product type | Soft starter | |
| Rated current | 105 A | |
| AC53b rating | 3-30:570 | |
| Input voltage | 380–690 V AC | |
| Input phases | 3-phase | |
| Frequency | 50 / 60 Hz | |
| Control voltage | 110 VAC and 220 VAC | |
| Bypass | With integrated bypass contactor | |
| Protection rating | IP20 | |
| Frame size | G1 | |
| Mounting type | Panel / cabinet mounting | |
| Approximate net weight | 4.9 kg | |
| EAN | 5710108872403 |
Frequently Asked Questions
What is the Danfoss 175G5579 used for?
The Danfoss 175G5579 is a VLT® Soft Starter MCD 500 used to control the acceleration and deceleration of three-phase industrial motors.
What motor current is supported by this soft starter?
The 175G5579 supports motors with a rated operational current of 131 A.
What supply voltage does the Danfoss 175G5579 require?
The soft starter operates from a three-phase 380–690 V AC supply.
Does the Danfoss 175G5579 include a bypass contactor?
Yes, the unit includes an integrated bypass contactor to improve efficiency during normal motor operation.
Where is this soft starter typically installed?
The Danfoss 175G5579 is typically installed inside electrical control panels for industrial motor control systems.
Trusted by Industrial Automation Professionals
Danfoss VLT® Soft Starter MCD 500 products are widely used by engineers and machine builders to deliver reliable motor starting, reduced mechanical stress and efficient industrial operation.
