Schneider VW3A7742 Braking resistor - 28 ohms - 1.1 kW - IP20
Product Description
Schneider VW3A7742 Braking Resistor - 28 Ohms - 1.1 kW - IP20
Overview: The Schneider VW3A7742 Braking Resistor is a high-performance component designed to enhance the efficiency and safety of variable frequency drive (VFD) systems. With a resistance of 28 ohms and a power rating of 1.1 kW, this resistor ensures optimal performance for braking applications in industrial environments. It is engineered to handle high braking energy, providing reliable operation and extended lifespan.
Key Features:
- Resistance Value: 28 Ohms – Precisely calibrated to deliver consistent braking performance and energy dissipation.
- Power Rating: 1.1 kW – Capable of handling substantial braking power, ensuring effective deceleration and control of driven equipment.
- Enclosure Rating: IP20 – Designed for indoor use with protection against solid objects greater than 12.5 mm in diameter. This ensures reliable operation in non-harsh environments.
- High Durability: Constructed with premium materials to withstand high thermal and electrical stresses, enhancing longevity and reliability.
- Compact Design: Space-efficient and easy to integrate into existing systems, making it suitable for various industrial applications.
Applications: Ideal for use in conjunction with Schneider Electric’s variable frequency drives, this braking resistor is essential for applications requiring precise control and energy dissipation during braking. It is suitable for use in machinery, conveyors, and other equipment where smooth and reliable braking is critical.
Benefits:
- Enhanced System Efficiency: By absorbing excess energy during braking, the VW3A7742 resistor helps to improve the overall efficiency of your drive system.
- Improved Safety: Reduces the risk of overvoltage conditions and protects your VFD and associated components from potential damage.
- Reliable Performance: Engineered to deliver consistent performance under demanding conditions, ensuring minimal downtime and maintenance.
Technical Specifications:
- Resistance: 28 Ohms
- Power Rating: 1.1 kW
- Enclosure: IP20
- Dimensions: [Insert dimensions if available]
- Weight: [Insert weight if available]
Compatibility: The Schneider VW3A7742 Braking Resistor is compatible with a wide range of Schneider Electric VFDs and other industrial drive systems. For optimal performance, verify compatibility with your specific drive model.
Installation and Maintenance: For best results, install the VW3A7742 in accordance with Schneider Electric’s guidelines. Regular inspection and maintenance are recommended to ensure continued reliability and performance.
Purchase Information: Available for order directly through Schneider Electric distributors and authorized resellers. For pricing and availability, please contact your local Schneider Electric representative.
Schneider VW3A7742 Braking resistor - 28 ohms - 1.1 kW - IP20
| product or component type |
Braking resistor
|
|---|
| range compatibility |
Altivar Machine ATV340
Altivar Process ATV900 |
|
|---|---|---|
| product compatibility |
Variable speed drive ATV930 wall mount 11 kW 380...480 V medium
cycle
Variable speed drive ATV930 wall mount 15 kW 380...480 V medium cycle Variable speed drive ATV950 wall mount 11 kW 380...480 V medium cycle Variable speed drive ATV950 wall mount 15 kW 380...480 V medium cycle Variable speed drive ATV930 wall mount 3 kW 200...240 V severe cycle Variable speed drive ATV340 7.5 kW 380...480 V medium cycle Variable speed drive ATV340 11 kW 380...480 V medium cycle Variable speed drive ATV930 15 kW 500...690 V medium cycle Variable speed drive ATV930 18.5 kW 500...690 V medium cycle Variable speed drive ATV930 20 hp 600 V medium cycle Variable speed drive ATV930 25 hp 600 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 |
1.1 kW at 50 °C
|
|
| ohmic value |
28 Ohm
|
|
| electrical connection |
Terminal, clamping capacity: <= 10 mm², AWG 8 for drive
Terminal, clamping capacity: <= 2.5 mm², AWG 12 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 |
190 mm
|
|
| height |
570 mm
|
|
| depth |
180 mm
|
|
| product weight |
4.2 kg
|
| 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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