DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC VW3A7741 - Braking Resistor
The SCHNEIDER ELECTRIC VW3A7741 is a passive braking resistor designed for the controlled dissipation of regenerative energy within industrial drive systems. This component integrates with compatible Altivar variable speed drives to manage kinetic energy generated by decelerating high-inertia loads, preventing DC bus overvoltage and ensuring stable drive operation. It is critical for applications requiring rapid deceleration, frequent stopping, or vertical axis control in machinery such as conveyors, centrifuges, and lifting equipment.
Technical Specifications:
- SERIES/FAMILY: Altivar Braking Resistor
- COMPONENT TYPE: Braking Resistor
- ELECTRICAL SPECS:
- RESISTANCE: 41 Ohm
- CONTINUOUS POWER DISSIPATION: 1000 W (1 kW)
- INTERMITTENT POWER DISSIPATION: Capable of higher peak power dissipation for short durations, dependent on duty cycle and drive configuration.
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Enclosed, compact unit designed for internal panel mounting.
- INTERFACE/CONTROL:
- CONNECTION: Two-wire terminal connection to the DC bus of a compatible variable speed drive.
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Wall mount or panel mount via integrated mounting points.
- COMPATIBILITY/APPLICATION:
- COMPATIBLE DRIVES: Schneider Electric Altivar ATV61, ATV71, ATV930, ATV950, ATV960, and ATV980 series variable speed drives.
- APPLICATION: Regenerative energy dissipation in industrial machinery with high inertia loads, rapid deceleration requirements, or vertical axis operation, including material handling, lifting, and process control systems.