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    5000VA Control Transformer, 380V to 230/120V

    $764.62
    Dry type air cooling transformer is 1 phase 5000VA, H class enameled copper wire or aluminum wire, transforms 380 volt to 230/120 volt, input/output voltages can be customized as your need, just confirm us when place the order.
    SKU: ATO-T-BK5000VA
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    Free Shipping Worldwide
    Delivery date: 6-12 days

    Excellent quality industrial control transformer with 5kVA power rating, suitable for AC 50/60Hz, is designed to step down single phase 380V AC primary to 230/120V (1500VA +1500VA) dual secondary.

    Specifications

    Product Name Single phase control transformer 
    Product Model ATOBK-5000VA
    Winding Material Enameled copper wire or enameled aluminum wire
    Capacity 5000 VA
    Primary Voltage (VAC) 110, 120, 208, 220, 230, 240, 380, 400, 480, 110/220, 120/240, 240/480, 220/380/480V, 440/460/480V...(Customized)
    Secondary Voltage (VAC) 6, 12, 24, 36, 48, 110/48, 120/24, 208/36, 220/48, 230/120, 240/120, 120/24/12, 110/36/24, 127/36/6, 208/48/36/24...(Customized)
    Frequency 50 / 60Hz
    Insulation Level F / H
    Withstand Voltage Test Primary to secondary 2.5KV/min
    Primary to safety ground 2.5KV/min
    Secondary to safety ground 1.5KV/min
    Insulation Resistance Primary to secondary 2500V>100 megohm
    Primary to safety ground 2500V>100 megohm
    Secondary to safety ground 1500V>100 megohm
    Induction Withstand Voltage Test 125Hz/ 800V/min
    Ground Resistance 25<A80 milliohm
    Cooling Method Natural or air cooling
    Transformation Ratio <3%
    Air Carrying Current <6%
    Impedance Voltage about 6%
    Total Losses 0.1
    Efficiency 80%~99%
    Operating Temperature -25℃~40℃ (40℃, 93% RH, 56 days)
    Storage Temperature -25℃~100℃ (40℃, 93% RH, 56 days)
    Certificate CE, ISO
    Warranty 12 months
    Size Overall size: 240*180*230mm, Hold distance for installation: 180*160mm, Installation hold: 20*10mm
    Weight 46kg

    Schematic diagram illustration

    Control transformer schematic diagram illustration

     Control transformer dimension

    Control transformer dimension

    Overall size (mm) Hole distance for installation (mm) Installation hole
    (mm) K x J
    B E D A C
    240 180 230 180 160 20 x 10

    Tips: How to avoid the burning out of machine tool control transformer?

    In the machining industry, almost every machine tool equipment has a control transformer. The control transformer of machine tool mainly plays the role of reducing voltage, controlling high voltage through low voltage, so as to ensure the safety of mechanical operators. However, there will always be complaints that the machine tool control transformer always burns out frequently. In fact, the reason for burning the transformer is nothing more than overload and short circuit.

    1. Because the control transformer of machine tool is burned out due to overload, it is required to replace it with a transformer with larger capacity. The rated power of the applied machine tool control transformer must be greater than that of the driven electric appliance.

    2. In addition, the circuit fault causes the short circuit of the low-voltage control circuit, which causes the current of the secondary coil of the machine tool control transformer to be too large, exceeding the rated current of the transformer, thus burning the machine tool control transformer. In this regard, the upper limit current insurance can be added in front of the transformer to play a protective role.

    3. Of course, some inspection work is essential. It is well known that the machine tool control transformer will use contactor when realizing low voltage control high voltage. Sometimes the contactor damage has an impact on the normal operation of the transformer, so it is necessary to check the machine equipment. Secondly, it is necessary to check whether the rotating part of the machine tool is jammed to avoid overcurrent. Moreover, check the insulation of the circuit to avoid leakage and short circuit.

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