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    30 kVA Isolation Transformer, single phase, 110V to 220V

    $3,180.77
    30 kVA isolation transformer is an automation single-phase distribution transformer, mainly step up 110V primary to 220V secondary voltage or step down 220V input to 110V output, it features low temperature rise and suits for industry service.
    SKU: ATO-T-DG30KVA
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    Free shipping
    Delivery date: 6-12 days

    The insulation class of this safety single phase 30kVA 110V to 220V isolation transformer has three grades to guarantee the security. Overload capacity allows more than 1.2 times rated load to work for up to 1 hour, which makes the single phase transformer harmless. 

    30 kVA Isolation Transformer Specifications

    Model ATO-DG30kVA
    Phase Single phase
    Capacity 30kVA
    Primary Voltage 110V AC (optional: 120V/ 208V/ 220V/ 230V/240V)
    Secondary Voltage 220V AC (optional: 110V/ 120V/ 208V/ 230V/ 240V)
    Frequency 50Hz / 60Hz
    Winding Material Aluminum/Copper wire (Optional)
    Work Efficiency ≥95%
    Insulation Resistance ≥50 MΩ
    Electrical Strength 2000V AC/1 min
    Noise ≤35dB (1 meter)
    Insulation Grade Grade B (130℃), Grade F (155℃), Grade H (180℃)
    Cooling Method Natural or air cooling
    Overload Capacity Allow more than 1.2 times rated load to work for up to 1 hour
    Induced Overvoltage Withstand Test 125Hz/800V/min
    Transformation Ratio <3%
    Air Carrying Current <6%
    Impedance Voltage about 6%
    Total Losses 10%
    Certification CE, ISO
    Temperature -15℃~+45℃
    Humidity ≤90%RH, without condensation
    Altitude <2000m, non corrosive gas and conductive dust
    Enclosure Protection Grade IP 20
    Warranty 12 months
    Weight of Aluminium Wire Transformer Open type: 140kg
    Protected type: 172g
    Weight of Copper Wire Transformer Open type: 120kg
    Protected type: 155kg

    Note:
    Transformer can only convert voltage and CANNOT convert frequency.
    Transformer CANNOT convert single phase voltage to 3 phase voltage.
    Support voltage customization, various specifications customization.

    Single Phase Isolation Transformer Schematic Diagram
    DG isolation transformer schematic diagram
    30 kVA Isolation Transformer Dimension

    Single phase isolation transformer open type size

    Aluminium Wire Transformer Size Copper Wire Transformer Size
    Open type: a*b*c=370*350*520mm Open type: a*b*c=330*330*470mm
    Protected type: A*B*C=490*470*640mm Protected type: A*B*C=450*450*490mm
    Installation Dimenion: D*E=190*190mm (The Aperture: 20*10mm) Installation Dimenion: D*E=170*180mm (The Aperture: 20*10mm)

    Tips: Why using isolation transformer?

    1. Generally, ungrounded systems leads to fewer single-phase electric shocks. Due to that, grounding system should be transformed into ungrounded system by using isolation transformer in some specific situation. For example, if people fix a TV which connected to an isolation transformer, he can operate it at 220V voltage with no trouble in electricity. It is safe!
    2. For safety, isolation transformers are needed to supply ungrounded power to industry pick and place equipment, wave soldering machine, reflow controller, etc.

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