Schneider VW3A7744 Braking resistor - 10 ohms - 3.4 kW - IP20

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Brand:
Schneider
Product Code:
VW3A7744
Availability:
1000
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Schneider VW3A7744 Braking Resistor - 10 Ohms - 3.4 kW - IP20

Overview

The Schneider VW3A7744 Braking Resistor is a high-performance component designed to enhance the efficiency and reliability of variable speed drives. Engineered with precision and durability in mind, this braking resistor ensures optimal energy dissipation during deceleration phases, providing superior control and protection for your motor systems.

Key Features

  • Resistance Value: 10 Ohms
  • Power Rating: 3.4 kW
  • Ingress Protection: IP20
  • Enhanced Energy Dissipation: Efficiently dissipates excess energy, safeguarding the drive system and prolonging its lifespan.
  • Robust Construction: Built with high-quality materials to withstand demanding industrial environments.
  • Compatibility: Seamlessly integrates with a wide range of Schneider Electric variable speed drives.

Technical Specifications

  • Resistance: 10 Ohms
  • Rated Power: 3.4 kW
  • Voltage: Suitable for use with drive systems operating at varying voltage levels.
  • IP Rating: IP20, ensuring protection against solid objects over 12.5 mm and no protection against liquids.
  • Dimensions: Optimized for compact installations without compromising performance.
  • Operating Temperature Range: Designed to function efficiently within a wide temperature range, ensuring reliability in diverse operational conditions.

Applications

The Schneider VW3A7744 Braking Resistor is ideal for applications requiring precise motor control and enhanced braking performance. Common use cases include:

  • Industrial Automation: Enhancing the performance of automated machinery and robotic systems.
  • Material Handling: Improving the efficiency and safety of conveyor belts, cranes, and hoists.
  • Pumps and Fans: Ensuring smooth and controlled operation in HVAC systems and water treatment facilities.
  • Elevators and Escalators: Providing reliable braking solutions for passenger safety and equipment longevity.

Benefits

  • Increased System Longevity: By effectively dissipating excess energy, the braking resistor helps extend the life of the drive and motor components.
  • Enhanced Safety: Improves the safety of motor operations by preventing overheating and ensuring controlled deceleration.
  • Optimized Performance: Supports consistent and reliable motor performance, reducing downtime and maintenance costs.
  • Cost-Effective: Delivers high performance at a competitive price point, making it a valuable addition to any motor control system.

Compliance and Standards

The Schneider VW3A7744 Braking Resistor complies with international standards, ensuring it meets the rigorous requirements of modern industrial applications. It adheres to:

  • IEC Standards: Meets the relevant IEC standards for electrical and electronic equipment.
  • RoHS Compliance: Ensures environmentally friendly construction and usage.

Installation and Maintenance

Designed for ease of installation, the Schneider VW3A7744 Braking Resistor features user-friendly mounting options and clear guidelines. Maintenance is straightforward, requiring minimal intervention, which further enhances its appeal for industrial use.

Conclusion

The Schneider VW3A7744 Braking Resistor is a crucial component for optimizing the performance and safety of variable speed drives. With its robust design, high energy dissipation capacity, and compliance with international standards, it stands out as an essential addition to any industrial motor control system.

Invest in the Schneider VW3A7744 Braking Resistor for reliable, efficient, and safe motor braking solutions.

Schneider VW3A7744 Braking resistor - 10 ohms - 3.4 kW - IP20

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Main
product or component type
Braking resistor
Complementary
range compatibility
Altivar Process ATV900
Altivar Machine ATV340
product compatibility
Variable speed drive ATV930 wall mount 37 kW 380...480 V medium cycle
Variable speed drive ATV930 wall mount 45 kW 380...480 V medium cycle
Variable speed drive ATV950 wall mount 37 kW 380...480 V medium cycle
Variable speed drive ATV950 wall mount 45 kW 380...480 V medium cycle
Variable speed drive ATV930 wall mount 11 kW 200...240 V severe cycle
Variable speed drive ATV340 30 kW 380...480 V medium cycle
Variable speed drive ATV340 37 kW 380...480 V medium cycle
braking cycle
Medium cycle (normal duty) : <= 4 s braking with 135 % braking torque for a 40 s cycle
Medium cycle (heavy duty) : <= 4 s braking with 165 % braking torque for a 40 s cycle
Severe cycle (heavy duty) : <= 54 s braking with 100 % braking torque for a 120 s cycle
Severe cycle (heavy duty) : <= 6 s braking with 165 % braking torque for a 120 s cycle
average power available
3.4 kW at 50 °C
ohmic value
10 Ohm
electrical connection
Terminal, clamping capacity: <= 35 mm², AWG 3 for drive
Terminal, clamping capacity: <= 4 mm², AWG 10 for temperature control switch
protection type
Thermal protection via drive or temperature control switch at 120 °C
[Ue] rated operational voltage
24 V DC
250 V AC
width
390 mm
height
640 mm
depth
180 mm
product weight
9 kg

Environment
ambient air temperature for operation
0...50 °C
ambient air temperature for storage
-25...70 °C
IP degree of protection
IP20

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