DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC VW3A7607R07 - Braking Resistor
This component is a braking resistor designed for use with SCHNEIDER ELECTRIC Altivar series variable speed drives. It provides controlled dissipation of regenerative energy generated by motors during deceleration or braking, preventing DC bus overvoltage conditions. This accessory is critical for applications requiring rapid stopping, frequent braking, or control of high inertia loads in industrial automation systems.
Technical Specifications:
- SERIES/FAMILY: Altivar Braking Resistor (VW3A76xx Series)
- COMPONENT TYPE: Braking Resistor
- ELECTRICAL SPECS:
- RESISTANCE: 0.7 Ohms
- CONTINUOUS POWER DISSIPATION: 200 Watts
- PEAK POWER DISSIPATION: 2000 Watts (for 5 seconds)
- NOMINAL VOLTAGE COMPATIBILITY: Designed for use with drives operating on 380-480VAC input, managing DC bus voltages up to approximately 800VDC.
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Enclosed resistive element with integrated heat sink fins.
- MOUNTING: Panel or wall mountable via integrated brackets.
- INTERFACE/CONTROL:
- CONNECTION TYPE: Screw terminals for direct wiring to the variable speed drive's DC bus terminals.
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- COOLING METHOD: Natural convection
- OPERATING TEMPERATURE RANGE: -10 degrees Celsius to +50 degrees Celsius
- COMPATIBILITY/APPLICATION:
- COMPATIBILITY: SCHNEIDER ELECTRIC Altivar Variable Speed Drives (e.g., Altivar 32, Altivar 61, Altivar 71, Altivar Process series).
- APPLICATION: Regenerative braking in applications such as conveyors, centrifuges, hoists, machine tools, and other systems with high inertia or frequent deceleration requirements.