Danfoss VLT Soft Start Controller MCD100-011/550-600V/25A/11kW

Why Choose the Danfoss 175G4009 Soft Starter?

The Danfoss 175G4009, also identified as the MCD100-011 soft starter, is a compact and highly reliable motor soft start controller designed for smooth starting and stopping of three-phase induction motors. As part of the trusted Danfoss VLT® MCD 100 soft starter series, this unit helps reduce electrical and mechanical stress during motor startup, improving equipment longevity and operational efficiency.

The MCD100-011 uses advanced semiconductor soft starting technology to minimise inrush current and mechanical shock, making it ideal for industrial machinery, pumps, conveyors and HVAC systems. Its compact DIN rail mountable design enables straightforward installation inside electrical control panels while helping save valuable cabinet space.

Featuring a 550 to 600 V AC supply range, 25 A rated current and support for motors up to 15 kW, the Danfoss 175G4009 offers dependable motor starting performance for industrial automation and machine control applications requiring smooth acceleration and stopping.

Key Advantages

• Compact soft starter for controlled motor starting.
• Reduces motor inrush current and mechanical stress.
• 550 to 600 V AC supply voltage compatibility.
• Supports three-phase motors up to 15 kW.
• DIN rail mountable compact housing for space-saving installation.
• Simple setup with integrated ramp control functionality.

Key Features

• Danfoss VLT® MCD 100 soft starter series.
• 15 kW maximum motor power.
• 25 A rated operational current.
• 550 to 600 V AC operating voltage.
• Integrated soft start and soft stop functionality.
• Adjustable ramp-up and ramp-down control.
• DIN rail mounting for compact control panels.
• Screw terminal connections for secure wiring.
• Automatic phase loss detection functionality.
• Integrated breakaway kick-start function.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® MCD 100
• Model: MCD100-011 500-600V
• Product ID: 175G4009
• Product type: Soft starter
• Rated motor power: 15 kW
• Rated operational current: 25 A
• Supply voltage: 550 to 600 V AC
• Control voltage: 24 to 480 V AC/DC
• Mounting type: DIN rail mounting
• Terminal type: Screw terminals
• Starting/stopping time: 0.5 to 10 seconds
• Protection rating: IP20
• Operating temperature: -5°C to +40°C
• Cooling method: Natural convection
• Maximum starts per hour: Unlimited
• Weight: approx. 1.2 kg
• EAN: 5702427377912

Smooth Motor Starting for Industrial Systems

Soft starters reduce the high inrush current and mechanical shock associated with direct-on-line motor starting. By gradually increasing motor voltage during startup and reducing it during stopping, the Danfoss MCD100-011 helps extend motor life, reduce wear on mechanical components and improve overall system reliability. The integrated adjustable acceleration and deceleration settings allow optimisation for pumps, conveyors, compressors and high inertia loads.

The Danfoss 175G4009 is ideal for industrial systems where efficient motor control, reduced maintenance and reliable startup performance are essential. Its simple integration and robust industrial design make it particularly suitable for OEM machine builders and automation engineers.

Typical Applications

• Industrial conveyors and material handling systems.
• Pumps and water treatment equipment.
• Fans and HVAC systems.
• Compressors and process machinery.
• Packaging and production equipment.
• OEM automation and machine building applications.

Trusted by Industrial Automation Engineers

Danfoss VLT® soft starters are trusted worldwide by industrial engineers and OEM machine builders for reliable motor protection, smooth startup performance and dependable long-term operation.