All Categories
    Menu Close

    Isolation Transformer

    View as Grid List
    Sort by
    Display per page

    25 kVA Three Phase Isolation Transformer, 380V to 220V, Step Up/Down

    ● 25 kVA three-phase isolation transformer, 380V to 220V step-down (220V to 380V step-up also available). ● Targeted at the electrical and engineering industries, effective performance at a low price point. ● Aluminium or copper wire winding, selectable to balance cost, weight, and conductivity. ● AC 50 Hz / 60 Hz rated; multiple voltage configurations available. ● Open type or IP 24 enclosure; optional movable wheels.
    $4,439.68

    30 kVA Three Phase Isolation Transformer, 480V to 415V, Step Up/Down

    ● 30 kVA 3-phase isolation transformer, efficient voltage conversion from 480V to 415V. ● High efficiency, dry-type air self-cooling, no oil, no external fans required. ● Minimum 1-year warranty with high-quality workmanship. ● Multiple voltage configurations selectable on both sides; supports 50Hz / 60Hz power systems. ● Aluminium or copper winding; open type or IP 24 enclosure; optional movable wheels.
    $5,129.37

    40 kVA Three Phase Isolation Transformer, 240V to 480V, Step Up/Down

    ● 3-phase isolation transformer, 40 kVA, 480V to 240V step-down (step-up 240V to 480V also available). ● Dry-type air self-cooling — no oil, no external fans. ● Open type or IP 24 enclosure; aluminium or copper winding; optional movable wheels. ● AC 50 Hz / 60 Hz compatible; multiple voltage configurations selectable on both sides. ● Suited for control circuits, CNC machine tools, precision machinery, mechanical & electronic equipment, and lighting.
    $5,893.65

    45 kVA Three Phase Isolation Transformer, 415V to 208V, Step Up/Down

    ● 45 kVA 3-phase isolation transformer for industrial indoor power systems. ● IP 24-rated enclosure, protection against dust and water splashing for reliable indoor installation. ● Superior dielectric strength and insulation resistance for long-term electrical reliability. ● Dry-type air self-cooling; 50 Hz / 60 Hz rated; multiple voltage configurations available on both sides. ● Optional movable wheels; aluminium or copper winding.
    $6,321.43

    50 kVA Three Phase Isolation Transformer, 480V to 400V, Step Up/Down

    ● 50 kVA isolation transformer for reliable voltage conversion. ● Supports step-up (400V to 480V) and step-down (480V to 400V) applications. ● Designed for three-phase power systems in industrial and commercial use. ● Built-in electrical isolation for enhanced safety and noise reduction. ● Suitable for 50Hz / 60Hz AC power environments worldwide. ● Ideal for industrial equipment, automation systems, and power distribution projects.
    $6,492.06

    60 kVA Three Phase Isolation Transformer, 190V to 400V, Step Up/Down

    ● 60 kVA 3-phase isolation transformer, stable voltage conversion from 400V to 190V. ● IP 24-rated enclosure as standard, ready for indoor installation without additional cabinet. ● Maintenance-free operation with high load capacity and long-lasting durability. ● AC 50 Hz / 60 Hz rated; multiple voltage configurations selectable on both sides. ● Aluminium or copper winding; open type or IP 24 enclosure; optional movable wheels.
    $7,635.25

    75 kVA Three Phase Isolation Transformer, 480V to 220V, Step Up/Down

    ● Three-phase isolation transformer for sale, rated power capacity 75 kVA. ● Non-ventilated (TENV) construction, rated for hazardous locations and harsh industrial environments. ● Low noise, lower temperature rise, and higher efficiency for demanding continuous-duty applications. ● IP 24 rated enclosure; AC 50 Hz / 60 Hz; multiple voltage configurations on both sides. ● Aluminium or copper winding; optional movable wheels.
    $8,135.41

    80 kVA Three Phase Isolation Transformer, 480V to 380V, Step Up/Down

    ● 80 kVA 3-phase isolation transformer, stable voltage conversion from 480V to 380V. ● Low operating cost and reduced heat generation, ideal for a wide range of power supply applications. ● Designed for 50Hz / 60Hz power supply environments; multiple voltage configurations available. ● Aluminium or copper winding; open type or IP 24 enclosure; optional movable wheels. ● Suited for control circuits, CNC machine tools, precision machinery, mechanical & electronic equipment, and lighting.
    $9,336.51

    100 kVA Three Phase Isolation Transformer, 208V to 400V, Step Up/Down

    ● 3-phase isolation transformer released now, 100 kVA, flexible voltage conversion between 400V and 208V. ● Dry-type air self-cooling design, no oil, no fans, maintenance-free operation. ● Suitable for 50Hz / 60Hz applications; multiple voltage configurations selectable on both sides. ● Optional movable wheels; aluminium or copper winding; CE and ISO certified. ● Higher safety rating; suited for control circuits, CNC machine tools, precision machinery, and lighting.
    $14,085.71

    150 kVA Three Phase Isolation Transformer, 240V to 400V, Step Up/Down

    ● High-power 150 kVA 3-phase isolation transformer, 240V to 400V step-up, 400V to 240V step-down available. ● Dry-type air self-cooling, low noise, lower temperature rise, and higher safety. ● Built-in temperature alarm system, triggers at 150°C to protect the transformer from overheating. ● 3-phase to 3-phase standard; 3-phase to single-phase customisation available on request.
    $19,098.65

    200 kVA Three Phase Isolation Transformer, 480V to 240V, Step Up/Down

    ● 200 kVA three-phase isolation transformer, 240V to 480V step-up or 480V to 240V step-down, continuous rating. ● Improved safety through galvanic isolation maintains full equipment separation from the power source. ● Reduces power surges and line disturbances reaching connected equipment. ● Built-in temperature alarm, triggers at 150°C to prevent thermal overload. ● Dry-type air self-cooling; AC 50 Hz / 60 Hz; multiple voltage configurations on both sides. ● Aluminium or copper winding; open type or IP 22 enclosure; optional movable wheels.
    $25,413.65

    300 kVA Three Phase Isolation Transformer, 480V to 400V, Step Up/Down

    ● 300 kVA 3-phase isolation transformer for power infrastructure and industrial plants. ● Stable voltage conversion between 480V and 400V; other voltages are customisable. ● Increased protection against electric shock through safe galvanic isolation. ● Built-in temperature alarm, triggers at 150°C for overtemperature protection. ● Aluminium or copper winding; open type or IP 24 enclosure; optional movable wheels. ● CE and ISO certified; 12-month warranty.
    $30,086.16

    Used 45 kVA Three Phase Isolation Transformer, 240V to 240V, Delta Configuration

    ● Used 45 kVA three-phase isolation transformer, 240V to 240V, 4-wire high-leg delta configuration. ● IP 24 rated enclosure; class H insulation; working efficiency ≥ 95%. ● Dry-type air self-cooling; AC 50 Hz / 60 Hz; operating temperature −15°C to +40°C. ● Better dielectric strength and insulation resistance for reliable electrical isolation. ● Competitively priced used unit, inspected and available for immediate sale.
    $5,629.15

    An isolation transformer separates the primary supply from the secondary load through galvanic isolation — eliminating ground loops, suppressing common-mode noise, reducing power surges, and providing an increased level of protection against electric shock. 

    PowerHome offers a comprehensive range of single-phase and three-phase isolation transformers from 0.5 kVA to 300 kVA, covering step-up, step-down, and same-voltage isolation configurations. All units are dry-type, air self-cooled, CE and ISO certified, and compatible with AC 50 Hz and 60 Hz power systems — with flexible voltage selection on both primary and secondary sides to suit international grid standards across North America, Europe, the UK, India, the Middle East, and Asia-Pacific. Available with aluminium or copper windings, open type or IP 24 enclosure, and optional movable wheels.