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Danfoss VLT Soft Starter MCD 500 MCD51200CT7G5X
Danfoss 175G5591 VLT Soft Starter MCD 500 with 1200 A current rating and three-phase 380-690 V AC operation for heavy industrial motor control applications.
Why Choose the Danfoss 175G5591 VLT® Soft Starter MCD 500?
The Danfoss 175G5591 is an ultra heavy-duty VLT® Soft Starter MCD 500 designed for controlled starting and stopping of extremely large three-phase motors in demanding industrial automation, processing and infrastructure applications. As part of the Danfoss MCD 500 soft starter series, it provides advanced motor control, intelligent protection and reliable performance for high-power motor systems.
This digital soft starter provides a complete motor starting solution using current transformers, motor current feedback and Adaptive Acceleration Control (AAC) technology. These advanced functions help optimise motor ramp profiles, reduce mechanical stress and improve the operational reliability of connected equipment.
With a rated current of 1200 A and support for three-phase 380–690 V AC supplies, the Danfoss 175G5591 is suitable for very large industrial motors used in pumps, compressors, fans, conveyors and heavy processing machinery. Its G5 frame design and IP00 enclosure allow integration into customised electrical control panels and industrial motor control systems.
Key Advantages
- Advanced Danfoss VLT® Soft Starter MCD 500 for ultra heavy-duty motor applications.
- 1200 A rated current for very large three-phase industrial motors.
- 380–690 V AC three-phase operation for industrial power systems.
- Adaptive Acceleration Control provides smooth motor starting and stopping.
- Advanced motor protection and diagnostics improve system reliability.
- Designed for demanding industrial automation and process applications.
Key Features
- Danfoss VLT® Soft Starter MCD 500 series.
- 1200 A rated operational current.
- 380–690 V AC three-phase input supply.
- 110 VAC and 220 VAC control voltage.
- Adaptive Acceleration Control (AAC) technology.
- Current feedback for precise motor ramp control.
- Advanced overload protection and monitoring functions.
- IP00 enclosure protection rating.
- G5 frame size for high-power industrial 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, limiting current surges and helping extend the service life of motors and connected machinery.
The MCD 500 series is designed for industrial systems requiring dependable motor management, flexible configuration and advanced diagnostics. The Danfoss 175G5591 provides reliable control for extremely large motors in modern automation, manufacturing and process environments.
Typical Applications
- Large industrial pumps and water treatment systems.
- Heavy-duty compressors and processing machinery.
- Large fans and ventilation equipment.
- Mining and material handling systems.
- Manufacturing and production equipment.
- High-power three-phase industrial motor applications.
Technical Specifications
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| Current | 1200 A | |
|---|---|---|
| Voltage | 110 V | |
| Phase | Three Phase | |
| IP Rating | IP00 | |
| Series | VLT® Soft Starter MCD 500 | |
| Part number | 175G5591 | |
| Product type | Soft starter | |
| Rated current | 1200 A | |
| AC53a rating | 3-30:50-6 | |
| Input voltage | 380–690 V AC | |
| Input phases | 3-phase | |
| Frequency | 50 / 60 Hz | |
| Control voltage | 110 VAC and 220 VAC | |
| Bypass type | Continuous without internal bypass contactor | |
| Protection rating | IP00 | |
| Frame size | G5 | |
| Mounting type | Panel / cabinet mounting | |
| Approximate net weight | 140 kg | |
| EAN | 5710108878092 |
Frequently Asked Questions
What is the Danfoss 175G5591 used for?
The Danfoss 175G5591 is a VLT® Soft Starter MCD 500 used to control the acceleration and deceleration of extremely large three-phase industrial motors.
What motor current is supported by this soft starter?
The 175G5591 supports motors with a rated operational current of 1200 A.
What supply voltage does the Danfoss 175G5591 require?
The soft starter operates from a three-phase 380–690 V AC supply.
What control features are included?
The unit includes Adaptive Acceleration Control, current feedback, motor protection and programmable starting profiles.
Where is this soft starter typically installed?
The Danfoss 175G5591 is typically installed inside electrical control panels as part of high-power 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.
