VW3A7731
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Overview of Schneider VW3A7731 Braking Resistor
The Schneider VW3A7731 is a braking resistor designed for use with Altivar variable speed drives to improve braking performance and protect drive components. It has a resistance of 60 ohms and a power rating of 0.16 kW, with an IP20 protection rating. The resistor is built for industrial applications requiring reliable transient braking control.
Key Features of Schneider VW3A7731
- Resistance: 60 ohms at 20°C for effective energy dissipation during braking.
- Power Rating: 0.16 kW power capacity suitable for light to medium braking cycles.
- Protection Rating: IP20 enclosure protects against solid objects but not water ingress.
- Compact Size: Dimensions of 105 mm (W) x 100 mm (D) x 345 mm (H) for easy mounting.
- Lightweight: Approximately 1.8 kg for convenient installation.
- Thermal Protection: Monitored by the drive to prevent overheating during braking operation.
Technical Specs of Schneider VW3A7731
| Specification | Details |
|---|---|
| Resistance | 60 Ohm |
| Power Rating | 0.16 kW |
| Protection Rating | IP20 |
| Dimensions (WxDxH) | 105 x 100 x 345 mm |
| Weight | 1.8 kg |
| Operating Temperature | 0 to 50 °C |
| Storage Temperature | -25 to 70 °C |
| Compatible Drives | Altivar Variable Speed Drives |
Applications / Use Case
The VW3A7731 braking resistor is used to dissipate kinetic energy during motor deceleration in Altivar variable speed drives. It enhances braking effectiveness and prolongs the lifespan of the drive and motor by managing thermal loads.
Schneider Electric provides a 2-year warranty for assured product quality and reliability.
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