Danfoss VLT Soft Starter MCD 500 MCD50826BT5G4X

Why Choose the Danfoss 134N9373 Soft Starter?

The Danfoss 134N9373, also identified as the MCD5-0826B-T5-G4X-00-CV2, is a heavy-duty VLT® Soft Starter MCD 500 designed to provide intelligent motor starting, stopping and protection for large three-phase induction motors. As part of the advanced Danfoss MCD 500 series, it combines adaptive acceleration control, integrated motor protection and advanced diagnostics to maximise equipment reliability while reducing electrical and mechanical stress.

Designed for demanding industrial environments, the MCD 500 series significantly reduces motor inrush current while protecting motors, couplings, gearboxes and driven equipment from excessive mechanical shock. Integrated bypass technology, programmable protection functions and intelligent monitoring help maximise equipment uptime while lowering maintenance costs across a broad range of industrial applications.

With a 826 A rated current, three-phase 380-525 V AC supply and an integrated bypass contactor, the Danfoss 134N9373 is ideally suited for large pumps, compressors, conveyors, crushers, fans and other heavy-duty industrial machinery requiring dependable soft starting performance.

Key Advantages

• Heavy-duty industrial soft starter for large three-phase motors.
• 826 A rated operational current.
• Three-phase 380-525 V AC supply.
• Integrated bypass contactor improves operating efficiency.
• Reduces electrical inrush current and mechanical wear.
• Comprehensive motor protection, monitoring and diagnostics.

Key Features

• Danfoss VLT® Soft Starter MCD 500 series.
• MCD5-0826B-T5-G4X-00-CV2 model.
• 826 A rated current.
• 380-525 V AC (T5) supply voltage.
• 110-120 / 220-240 V AC (CV2) control supply.
• Integrated bypass contactor.
• Adaptive acceleration and deceleration control.
• Graphical keypad with advanced diagnostics.

Advanced Soft Starting for Heavy Industrial Motors

Soft starters gradually increase the voltage supplied to a motor during start-up, reducing current surges and limiting mechanical shock. This improves system reliability, extends equipment life and lowers maintenance costs for motors and driven machinery operating in demanding industrial environments. The Danfoss VLT® Soft Starter MCD 500 range is trusted worldwide for intelligent motor protection and reliable soft starting.

With programmable control functions, integrated bypass technology and comprehensive diagnostics, the MCD 500 series integrates seamlessly into industrial automation systems across manufacturing, mining, utilities and process industries.

Typical Applications

• Industrial conveyors.
• Water and wastewater pumping systems.
• Large compressors.
• Fans and ventilation equipment.
• Crushers and heavy-duty processing machinery.
• Mining, manufacturing and process industries.