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    40 hp (30 kW) VFD, 3 Phase 230V, 420V, 480V

    $1,497.31
    High quality 40 hp (30 kW) VFD with low cost, three phase 230V, 420V, 480V variable frequency drive with good performance, brand new direct sale by manufacturer.
    SKU: GK3000-4T0300G
    Free shipping
    Delivery date: 6-12 days

    40 hp (30 kW) heavy duty variable frequency drive, three phase 230V, 420V, 480V for choice.

    Specification:

    Basics Model GK3000-4T0300G
    Capacity 40 hp (30 kW)
    Shipping weight 30 kg
    Dimension 500*296*276 mm
    I/O Feature Rated current 60 A
    Input voltage 3 phase 230V /420V /480V AC ±15% (Optional)
    Input frequency 50Hz/ 60Hz
    Output voltage 3 phase AC 0~input voltage
    Output frequency 0.00~400.00Hz
    Over load capacity 150% of rated current for 1 minute, 180% of rated current for 3 seconds
    Control Feature Control mode V/F control;
    Sensorless vector control;
    Communication RS485
    Speed regulation 1:100
    Start torque 150% of rating torque at 1 Hz
    Speed control accuracy ≤±0.5% of rating synchronous speed
    Frequency precision Digital setting: max frequency x± 0.01%;
    Analog setting: max frequency x± 0.2%
    Frequency resolution Analog setting: 0.1% of max frequency;
    Digital setting: 0.01Hz
    Torque boost Automatic torque boost, manual torque boost 0.1%~30.0%
    Interior PID controller Be convenient to make closed-loop system
    Automatic energy save running Optimize V/F curve automatically based on the load to realize power save running
    Automatic voltage regulation (AVR) Can keep constant output voltage when power source voltage varies.
    Automatic current limiting Limit running current automatically to avoid frequent over-current which will cause trip
    Environment Enclosure rating IP 20
    Temperature –10℃~ +40 ℃; VFD will be derated if ambient temperature exceed 40℃; each rise 1℃, the derate will be 5%
    Humidity 5%-95%, without condensation
    Altitude ≤1000m; VFD will be derated if above 1000m
    Impingement and oscillation Normal running:<5.9m/s2 (0.6g); Transportation:<15m/s2 (1.5g)
    Store environment –20℃~ +60℃; no dust, no corrosive gas, no direct sunlight

    Tips: Variable frequency drive advantage in injection molding machine energy saving retrofit
    For the plastic products industry, power consumption is the main part of production cost, and injection molding machine is the main energy consumption equipment. At present, most of the injection molding machine is hydraulic transmission type, the power in hydraulic system is offered by the motor driven pump. During the injection molding cycle, the flow and pressure required for injection molding machines different processes are different under, and must be dependent on the flow valve and pressure valve to adjust the flow and pressure required for different processes. Hydraulic system has high load changes, because the quantitative pump can't adjust the output power, so the excess energy can only be consumed in the baffle, oil leakage, or oil temperature rise. This has exacerbated the wear of valves, too high oil temperature and too large noise, and the mechanical life can also be shorted. And in usually design, the motor design capacity for user pump is much higher than the actual needs, resulting in a lot of energy waste. Therefore, the promotion of AC variable frequency speed control device in the application of injection molding machine has great significance for reducing energy waste and saving production cost.
    The VFD has incomparable advantages in the energy-saving retrofit of injection molding machine. When injection molding machine in frequency conversion retrofit wiring, retain the original computer control system, oil-line of hydraulic transmission system and motor Y-△ step-down start running circuit unchanged. And use variable frequency energy-saving / frequency operation conversion control mode to avoid affecting the normal production when failure occurred. When replacing the mold, only need to change the injection molding machine computer board working procedures, and don’t need to make any adjustments to the VFD.

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