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    8000VA Control Transformer, 240V to 110/24V

    $1,021.54
    8kVA 1 phase industrial control transformer with affordable price, is suitable for circuit of AC 50/60Hz and step down 240V input voltage to 110/24V dual output voltage, fully electric isolation between primary side and secondary sides, H class enameled wired ensure long service life.
    SKU: ATO-T-BK8000VA
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    Free Shipping Worldwide
    Delivery date: 6-12 days

    Control and lighting purposed miniature dry type air automatic mode transformer has 8000VA power rating, 1-phase, and converting the 240V primary voltages to 110/24V secondary voltage. It hsa advantages of excellent performance, reliable operation, wide application, etc.

    Specifications

    Product Name Single phase control transformer 
    Product Model ATOBK-8000VA
    Winding Material Enameled copper wire or enameled aluminum wire
    Capacity 8000 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, 110/24, 120/48, 208/36, 220/48, 230/36, 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*220*230mm, Hold distance for installation: 180*200mm, Installation hold: 20*10mm
    Weight 70kg

    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
    240 220 230 180 200 20 x 10

    Tips: What are the essential safety requirements for control transformers?

    1. Temperature rise

    The temperature rise of the control transformer has a direct impact on its safe use. When the insulation of the transformer is class E, the temperature rise should be lower than 75K. The temperature rise of iron core transformer should be controlled within 55K.

    2. Insulation resistance

    The size of the insulation resistance is directly related to the safety performance of the control transformer. Generally, the insulation resistance of the transformer should be greater than 10 mΩ in cold state, and its insulation pad should be greater than 2 mΩ when the transformer is in hot state for a period of time.

    3. Insulation strength

    In order to ensure the safe and stable operation of the transformer, it must also have a large insulation strength. Generally, we require that it can withstand the withstand voltage test of 2000V, 50 Hz sinusoidal AC voltage and pass the test, that is to say, when the withstand voltage is reached for one minute, there will be no flashover or breakdown.

    4. Leakage current

    If the leakage current of the transformer is too large, it may affect other electronic components, so we generally require that the leakage current of the control transformer should be less than 3mA.

    5. Grounding is essential

    In the safe use and requirements of the whole control transformer, grounding is the most easy to be forgotten. Only when we properly ground the transformer can we ensure that the electrical equipment will not be damaged in case of short circuit, leakage, etc. Generally, we have equipped the special grounding terminal for the transformer product and marked the obvious grounding mark on it.

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