VW3A4556_Schneider_PRODUCT_吉林易择科技技术发展有限公司

The VW3A4556 is a braking resistor control module designed for Schneider Electric variable frequency drives. It manages dynamic braking by safely dissipating regenerative energy from motors during deceleration, preventing drive overvoltage faults.

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DESCRIBE

Specifications Parameter Specification Model VW3A4556 Type Braking Chopper Module Compatible Drives Altivar Process ATV900/600 series Maximum Braking Power 80 kW Maximum Current 140 A Activation Voltage Adjustable DC bus threshold Control Method IGBT switching Protections Over-temperature, short circuit Terminals For external braking resistor connection Mounting DIN rail or backplate mounting Cooling Natural convection Status Indicators Power, fault, operation LEDs Primary Applications: Controlling high-inertia load deceleration Handling regenerative energy from cranes/elevators Preventing drive overvoltage during fast stops Centrifuges, test benches, winding machines

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