1Built-in braking unit, only need external braking resistor to achieve fast forward and reverse rotation switching. 2It has good anti-interference ability and greatly improves stability. 3With extremely strong anti-jamming capability, safe for you to use. 4Simple to operate and wire, convenient for you to use. 5Widely used in constant pressure water supply, wind pressure constant pressure control, etc.Features: 1. Built-in braking unit, only need external braking resistor to achieve fast forward and reverse rotation switching. 2. It has good anti-interference ability and greatly improves stability. 3. With extremely strong anti-jamming capability, safe for you to use. 4. Simple to operate and wire, convenient for you to use. 5. Widely used in constant pressure water supply, wind pressure constant pressure control, etc. Specification: Condition: Brand New Item Type: Frequency Converter Model:SKI780-2D2G-4 Application Range: Universal Power Phase Number: Three Phase Power Supply Voltage: Three-phase AC380V 50/60Hz Output Voltage: Three-phase AC380V Supply Voltage: Low Voltage Adapted Motor Power: 2.2kw DC Power Supply Properties: Voltage Type Control Method: Current Vector Output Voltage Regulation Mode: PWM Control Rated Current: 5.1A Product Size: Apprtox. 142 x 110 x 85mm / 5.6 x 4.3 x 3.3in Panel Opening Size: Approx. 61 x 81mm / 2.4 x 3.2in Weight: 1.5kg / 3.3 lb(approx.) Package List: 1 x Frequency Converter 1 x User Manual Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3.This product is a new inverter, can only be used with the new panel, please refer to the picture to distinguish between the old and new panel, if your panel is the old model, it can not be used with this product.