Danfoss VLT Compact Starter MCD 200 MCD201045T4CV3

Why Choose the Danfoss 175G5171 Soft Starter?

The Danfoss 175G5171, also identified as the MCD201045T4CV3, is a high-capacity VLT® Compact Starter MCD 201 soft starter designed for smooth and controlled motor starting in industrial automation and machinery applications. Engineered to minimise inrush current and reduce mechanical stress during startup, this soft starter helps extend equipment lifespan while improving operational reliability and efficiency.

Part of the trusted Danfoss VLT® Soft Starter MCD 200 series, the unit incorporates integrated bypass functionality to reduce heat generation and energy losses during continuous operation. Its compact construction and flexible installation options make it ideal for industrial control panels, OEM machinery and demanding motor control systems.

With a rated motor power of 45 kW, 93 A operational current and support for three-phase 200–440 V AC systems, the Danfoss 175G5171 delivers dependable motor control performance for pumps, conveyors, compressors, fans and industrial process equipment.

Key Advantages

• Compact soft starter for industrial motor control applications.
• 45 kW motor rating suitable for demanding industrial machinery.
• Three-phase 200–440 V AC operation.
• Integrated bypass relay improves efficiency and reduces heat losses.
• Supports 2-wire and 3-wire control configurations.
• Heavy-duty starting capability for industrial environments.
• DIN rail or panel mounting for easy integration.

Key Features

• Danfoss VLT® Compact Starter MCD 201 series.
• 45 kW rated motor power.
• 93 A rated operational current.
• Three-phase 200–440 V AC supply.
• 110–240 V AC or 440 V AC control voltage.
• Heavy-duty starting rating at 4 × Ie for 20 seconds.
• Integrated bypass functionality for efficient operation.
• Compact IP20 enclosure for cabinet installation.
• Compatible with grounded delta power systems.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® Soft Starter MCD 200
• Model: MCD201045T4CV3
• SKU: 175G5171
• Product type: Compact soft starter
• Rated motor power: 45 kW
• Rated current: 93 A
• Heavy-duty current: 83 A
• Input voltage: 200–440 V AC
• Input phases: 3-phase
• Control voltage: 110–240 V AC or 440 V AC
• Frequency: 50 / 60 Hz
• Protection rating: IP20
• Mounting type: DIN rail / panel mounting
• Frame size: A-frame
• Dimensions (H × W × D): approx. 203 × 98 × 165 mm
• Weight: approx. 2.6 kg
• Operating temperature: up to 50°C without derating

Reliable Soft Starting for Industrial Machinery

Soft starters such as the Danfoss 175G5171 gradually increase motor voltage during startup, helping reduce electrical current surges and limiting mechanical stress on motors, couplings and driven equipment. This improves system reliability while reducing maintenance requirements and downtime.

The Danfoss MCD 200 series is widely trusted by industrial engineers and machine builders for dependable motor control performance, compact installation and energy-efficient operation. Integrated bypass technology helps minimise thermal losses during continuous motor operation.

Typical Applications

• Industrial conveyors and material handling systems.
• Pumps and water treatment installations.
• Fans, blowers and HVAC systems.
• Compressors and refrigeration equipment.
• Mixers and processing machinery.
• OEM industrial automation and machine control systems.

Trusted by Industrial Automation Engineers

Danfoss VLT® soft starters are trusted worldwide for dependable motor control, smooth startup performance and reliable operation across industrial automation and machine building applications.