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Transformers
10 kVA Single Phase Isolation Transformer, 120V to 240V
● Single-phase 10 kVA isolation transformer for sale, step-up and down, and custom voltages available.
● Available in open type or protected type, flexible for varied installation environments.
● Suited for machine control, lighting circuits, and signal power applications.
● High-quality construction optimized for the electrical and engineering industries.
● AC 50Hz / 60Hz compatible for global deployment.
$2,226.98
20kVA Split Phase Transformer, 110V/120V to 220V/240V
● 20kVA split phase power transformer with IP20 protection, input 110V, 120V, 208V, 220V (customizable), output 120V/240V AC
● Low-noise design, supports three-phase load operation
● Copper/aluminum windings optional, with electrical isolation protection to reduce losses
● Suitable for water pumps, fans, grain processing equipment, etc., improving equipment flexibility and meeting different voltage requirements.
$6,298.76
8 kVA Control Transformer, Single Phase, 240V to 110/24V
● 8kVA single-phase industrial control transformer for AC 50/60Hz industrial circuits.
● Steps down 240V single primary input to dual outputs 110V and 24V.
● Customizable input/output voltages available to meet project-specific requirements.
● H-class enameled wire insulation for reliable and long service life.
● Miniature dry-type air-cooled design for stable operation.
● Ideal for control and lighting applications across a wide range of industrial environments.
$1,521.54
Toroidal Power Transformer, 50Hz/60Hz, 160W-300W
● 160W-300W rated power with AC 220V input and customizable AC 12V/24V output for stable low-voltage power conversion.
● Toroidal coil structure and copper wire winding provide 90%+ efficiency and reliable performance.
● Dual winding with 2 outputs supports flexible power supply for different equipment needs.
● Built-in temperature, overload, and short circuit protection improves operating safety.
$216.99
10 kVA Control Transformer, Single Phase, 230V to 110/36V
● 10kVA single-phase control transformer designed for industrial control systems and electrical equipment.
● Steps down 230V primary input to dual outputs 110V and 36V.
● Full electrical isolation between primary and secondary windings for safe operation.
● High-quality terminal block design for reliable electrical connections.
● Suitable for AC 50Hz / 60Hz control circuits and industrial applications.
● Supports multiple input and output voltage configurations to meet different system requirements.
$1,721.54
15 kVA Single Phase Isolation Transformer, 208V to 110V
● 15 kVA isolation transformer, single-phase — default 208V to 110V step-down; step-up and custom voltages available.
● High efficiency with low temperature rise, built for sustained operation in demanding power supply environments.
● IP20 enclosure rated for both indoor and outdoor use.
● Damp-proof construction with high-quality materials; convenient maintenance design.
● AC 50Hz / 60Hz compatible for global deployment.
$2,786.44
30kVA Split Phase Transformer, 110V/120V to 220V/240V
● The split phase transformer has a capacity of 30kVA, 110V to 120V/240V, and IP20 protection rating.
● Suitable for 50/60Hz circuits, with customizable input voltage and selectable winding materials.
● Combines safety isolation and phase conversion functions, providing phase-to-phase power to three-phase electronic equipment.
● Widely used in drilling machines, grinding machines, small CNC equipment, irrigation pumps, grain processing equipment, and livestock ventilation systems.
$9,289.76
Toroidal Power Transformer, IP67, 220V, 400W-1200W
● AC 220V primary voltage with 400W-1200W rated power and customizable AC 12V/24V secondary voltage for reliable power conversion.
● High-efficiency toroidal coil design with copper winding delivers 90% or higher efficiency and stable electrical performance.
● Dual winding structure with 1 input and 2 outputs supports a wider range of low-voltage equipment applications.
● Equipped with LED operating status indication and multiple protection functions.
$258.99
20 kVA Single Phase Isolation Transformer, 240V to 208V
● 20 kVA single-phase isolation transformer, steps down 240V to 208V or steps up 208V to 240V; other voltages customizable.
● Shielded design for enhanced electrical isolation.
● Natural air self-cooling with active rear fan; 180℃-rated enameled wire for long service life.
● LCD digital display with two-color indicators; four 360° universal casters for on-site mobility.
$3,388.89
30 kVA Single Phase Isolation Transformer, 110V to 220V
● 30kVA single-phase isolation transformer for heavy-duty power distribution; various voltages are customizable.
● Three selectable insulation grades for tailored safety and thermal performance.
● Overload capacity: sustains more than 1.2× rated load for up to 1 hour continuously.
● Choice of aluminum or copper wire winding; low temperature rise design.
● LCD voltage display; AC 50Hz / 60Hz compatible worldwide.
$4,380.77
3 kVA Three Phase Isolation Transformer, 415V to 220V, Step Up/Down
● 3 kVA three-phase isolation transformer, voltage conversion between 415V and 220V.
● Dry-type air self-cooling; class H insulation; working efficiency ≥ 95%.
● Better dielectric strength and insulation resistance for reliable electrical isolation.
● Aluminium or copper winding; open type or IP 24 enclosure; optional movable wheels.
● CE and ISO certified; 12-month warranty.
$1,350.89
4 kVA Three Phase Isolation Transformer, 400V to 208V, Step Up/Down
● 4 kVA three-phase isolation transformer for industrial power systems.
● Efficient voltage conversion from 400V to 208V (step up/down supported).
● Fully isolated primary and secondary windings for a safe power supply.
● Designed for 50Hz/60Hz AC applications.
● Aluminium or copper winding available; open type or IP24 enclosure.
● Ideal for electrical equipment, automation systems, and power distribution.
$1,424.21
5 kVA Three Phase Isolation Transformer, 480V to 400V, Step Up/Down
● Three-phase isolation transformer, 5 kVA, for industrial power distribution.
● Reliable voltage conversion from 480V to 400V (step-up/down both directions supported).
● Aluminium or copper winding; open type or IP 24 enclosure; optional movable wheels.
● Non-ventilated structure for enhanced protection and durability.
● Compatible with 50Hz / 60Hz power systems worldwide.
$1,776.92
6 kVA Three Phase Isolation Transformer, 480V to 380V, Step Up/Down
● 6 kVA 3-phase isolation transformer — dry-type, air self-cooling, converts 480V to 380V.
● Superior dielectric strength and insulation resistance for long service life.
● 50 / 60 Hz compatible; multiple input/output voltage options available on both sides.
● Aluminium or copper winding; open-type or IP 24 enclosure-type.
● Designed for control circuits, CNC machinery, and general electronics.
$1,889.55
7 kVA Three Phase Isolation Transformer, 380V to 208V, Step Up/Down
● 7 kVA three-phase isolation transformer, step-up/down supported, affordable pricing.
● High dielectric strength and insulation resistance for reliable long-term operation.
● AC 50 Hz / 60 Hz compatible; flexible voltage selection on both primary and secondary sides.
● Aluminium or copper winding; open-type or IP 24 enclosure; optional movable wheels.
● Tailored for control circuits, lighting, mechanical & electronic equipment, CNC and precision machine tools.
$2,021.86
8 kVA Three Phase Isolation Transformer, 480V to 240V, Step Up/Down
● 3-phase isolation transformer, 480V input to 240V output, 8 kVA, step-up/down bidirectional.
● Windings shielded by an aluminium/copper barrier for superior isolation performance.
● Multiple secondary voltage options available: 230V, 240V, 400V, and more.
● AC 50 Hz / 60 Hz compatible; aluminium or copper winding; open type or IP 24 enclosure.
$2,333.08
10 kVA Three Phase Isolation Transformer, 400V to 240V, Step Up/Down
● 10 kVA three-phase dry-type isolation transformer, 400V primary to 240V secondary, step-up/down.
● High-quality at a lower cost, manufactured and sold directly.
● Suitable for 50Hz / 60Hz applications; multiple voltage configurations available on both sides.
● Aluminium or copper winding; open type or IP 24 enclosure; optional movable wheels.
● CE and ISO certified; 12-month warranty.
$2,635.71
15 kVA Three Phase Isolation Transformer, 415V to 208V, Step Up/Down
● 15 kVA three-phase isolation transformer for industrial and outdoor power systems.
● Flexible voltage conversion between 415V and 208V.
● Dry-type air self-cooling design for reliable operation.
● Suitable for indoor and outdoor applications.
● High insulation resistance and dielectric strength.
● Multiple voltage configurations available.
$3,203.97
20 kVA Three Phase Isolation Transformer, 380V to 190V, Step Up/Down
● 20 kVA 3-phase isolation transformer, 380V to 190V step-down (step-up 190V to 380V available).
● Non-ventilated construction, rated for hazardous locations and harsh industrial environments.
● Aluminium/copper shielded windings for enhanced galvanic isolation and noise suppression.
● Widely deployed across diverse industrial power supply sites on 50 Hz / 60 Hz grids.
● Multiple voltage configurations available; aluminium or copper winding; open or IP 24 enclosure.
$3,853.97
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
PowerHome offers transformers for fixed AC voltage conversion, electrical isolation, industrial control circuits and split-phase power distribution. Choose from autotransformers, isolation transformers, control transformers, split-phase transformers and toroidal transformers in a wide range of VA and kVA capacities. To find the right model, confirm your available supply voltage, required equipment voltage, phase, frequency, load current and whether galvanic isolation is required.
How to Choose a Transformer
To select the right transformer, confirm the available input voltage, required output voltage, phase, frequency, load current and whether electrical isolation is needed.
Choose a capacity higher than the total connected load. Motors, pumps, compressors and other inductive equipment may require additional capacity because of their starting current.
Transformer Type Comparison
| Transformer Type | Isolation | Best For | Key Benefit |
| Autotransformer | No | Step-up or step-down voltage conversion | Compact, efficient and cost-effective |
| Isolation Transformer | Yes | Voltage conversion and equipment protection | Galvanic isolation and noise reduction |
| Control Transformer | Yes | PLCs, relays and control panels | Stable low-voltage control power |
| Split Phase Transformer | Yes | Compatible 120/240V systems | Provides both 120V and 240V output |
| Toroidal Transformer | Yes | Audio, electronics and power supplies | Low noise, compact size and high efficiency |
How to Size a Transformer
Single phase: kVA = V × A ÷ 1000
Three phase: kVA = 1.732 × V × A ÷ 1000
Choose approximately 20%–25% extra capacity for continuous loads.
Important Transformer Limitations
- A transformer changes voltage, not frequency.
- It does not convert single-phase power into three-phase power.
- A standard transformer does not regulate unstable input voltage.
Min:
$89.00
Max:
$30,087.00
$89
$30087
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