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For Danfoss MCD500 Series Electronic Soft Starter MCD50021BT5G1X20CV1 Dual Output Protection Grade IP20

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Motor Soft Starting: Designed to control the startup of electric motors by gradually increasing voltage, reducing mechanical stress and inrush current.
  • Dual Output Protection: Supports dual output configurations (21A/10A) to manage two motors or phases simultaneously, with integrated overcurrent, overvoltage, and phase failure protections.

Key features

  • 1. Corrosion-Resistant Metal Construction

  • With a corrosion-resistant metal body, ensure long-term durability in harsh industrial environments. Outlast plastic alternatives by up to 30% in extreme conditions*

  • 2. Programmable Digital Interface

  • With a touchscreen-like programmable digital display, customize motor startup parameters and multi-program presets for seamless operation. Save 15% on setup time compared to non-programmable models*

  • 3. Dual Output Capability

  • With dual output functionality, simultaneously control two motors or applications, boosting workflow efficiency by 25% in multi-machine setups*

  • 4. IP20 Protection Grade

  • With an IP20 protection rating, operate safely in dusty or light-contaminated industrial settings, reducing downtime risks by 40% versus non-rated alternatives*

  • 5. Compliance with Safety Standards

  • With certification to international safety standards (e.g., CE, RoHS), ensure reliable and eco-friendly operation in commercial and industrial applications.

Product details

For Danfoss MCD500 Series Electronic Soft Starter MCD50021BT5G1X20CV1 Dual Output Protection Grade IP20

The Danfoss MCD50021BT5G1X20CV1 Electronic Soft Starter is a dual-output protection device designed for industrial motor control. Built with durable metal construction (aluminum/steel) and featuring a programmable digital interface, it ensures reliable operation in diverse applications. With a nominal input voltage of 380V and a 10A output capacity, it safeguards motors during startup while minimizing electrical and mechanical stress.


Technical specifications

FeatureSpecificationBenefit
Input Voltage380V ACEnsures compatibility with standard industrial power systems
Output Current10ASupports motors up to 10A for precise load management
Output TypeDualEnables simultaneous control of two motors or circuits
Protection GradeIP20Prevents ingress of solid foreign objects, ensuring safe operation
Soft Start FeatureElectronicReduces mechanical and electrical stress during motor startup
MaterialMetal (aluminum/steel)Enhances durability and heat dissipation for long-term use

Customization guide

Adjustable parameters such as voltage thresholds and current limits allow customization to meet specific motor requirements. The programmable interface supports tailored settings for torque control or speed profiles, ideal for applications like HVAC systems or conveyor belts.


Get inspired

With its dual-output capability, this soft starter simplifies multi-motor setups in industrial machinery. Its IP20 rating and robust design make it suitable for workshops, manufacturing lines, or any environment requiring reliable motor protection and control.


Choose your model

ParameterBase Model (MCD50021BT5G1X20CV1)Advanced ModelPro Model
Output Current10A15A20A*
Protection GradeIP20IP40IP54**
Programmable FeaturesBasic (speed/torque)Enhanced (PID)Full (remote access)

*Max output for heavy-duty motors. **Dust/water-resistant for harsh environments.


Supplier's note

  1. Three Technical Breakthroughs:

    • Soft Start Technology: Reduces mechanical stress by 40% compared to direct-on-line starters.
    • Dual Output: Enables simultaneous control of two motors, saving space and wiring costs.
    • Programmable Interface: Allows real-time adjustments for optimized energy efficiency.
  2. Optimal Version Selection:

    • Base Model: Ideal for small workshops or light industrial applications requiring basic motor protection.
    • Advanced Model: Suited for manufacturing lines needing precise torque control (e.g., robotics).
    • Pro Model: Best for harsh environments (e.g., mining, chemical plants) where IP54 protection and remote monitoring are critical.

With the Pro version’s IP54 rating, you can safely operate in dusty or wet conditions, while its 20A output handles high-power motors. Pair this with remote access features to streamline maintenance in remote facilities.

Frequently asked questions

  • Which Danfoss MCD500 Series soft starter suits 380V motors with dual output requirements?

  • How do I maintain the Danfoss MCD50021BT5G1X20CV1 to prevent motor damage?

  • Is the Danfoss MCD500 Series compliant with industrial safety standards?

  • Can the Danfoss MCD50021BT5G1X20CV1 be customized for unique voltage needs?

  • What makes the MCD500 Series better for 380V industrial motors than competitors?

  • Does the Danfoss MCD50021BT5G1X20CV1 handle overload scenarios?

  • Is the Danfoss MCD500 Series suitable for harsh industrial environments?

  • How does the MCD50021BT5G1X20CV1 improve motor longevity?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Industry Standard Soft StarterGeneral industrial motor startups400V AC (IEC 60038), 15A continuous (IEC 60947), single outputWide voltage compatibility, robust overcurrent protection (IEC 61800-3)Higher upfront cost, lacks dual-output flexibility
Our Base (MCD500)Small/medium motors in factories380V AC (IEC 60038), 10A continuous (IEC 60947), Dual OutputCost-effective, dual motor control for parallel systems, IP20 indoor useLower current capacity (10A vs. 15A industry standard), limited voltage range
Our Advanced (Hypothetical)Heavy-duty industrial machinery400V AC (IEC 60038), 20A continuous▲, dual output▲, Short-Circuit Protection▲ 100% higher current capacity, enhanced safety features, IP54 dust resistanceHigher cost, requires professional installation
Industrial InvertersVariable-speed motor control in plants380–480V AC, 100A+, VFD Capabilities (ISO 13849-1)Full speed/torque control, energy efficiency for pumps/fansComplex setup, requires external power supplies
Variable Frequency Drives (VFDs)Precision motor control in HVAC220–480V AC, Frequency Adjustable (50–60 Hz), energy-saving modeEnergy savings (up to 30%), smooth motor startsHigh cost, sensitive to voltage fluctuations
Motor Protection RelaysOverload protection in mining/oil fields240V AC, thermal protection (IEC 60947-4), IP67▲ Dust/waterproof (IP67), simple installationLimited to basic protection, no soft-start capability

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