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Transformers
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
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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