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Transformers
1 kVA Three Phase Autotransformer, 120V to 240V/220V
● 1 kVA three-phase dry-type autotransformer for fixed industrial voltage matching.
● Available input and output voltage configurations from 120V to 480V three-phase.
● Configured for step-up or step-down operation based on the selected supply and equipment voltage.
● 50Hz / 60Hz compatible; output frequency follows the input frequency.
● Suitable for compatible small motor-driven equipment, control panels, test systems, and industrial loads.
$873.69
12-0-12V Toroidal Transformer, 50VA/70VA
● 50VA/70VA single-phase toroidal transformer with selectable primary voltage.
● Multiple secondary voltage options are available, with custom configurations supported.
● Dual 4-wire outputs are standard; a single-output version is optional.
● Copper winding, 90%–96% efficiency, and 50/60Hz operation.
$89.99
1kVA Split Phase Transformer, 110V/120V to 220V/240V
● The split phase transformer has a capacity of 1 kVA, converting input voltages of 110V, 120V, 208V, and 220V to an output of 120V/240V.
● Aluminum/copper wire is optional, with an IP20 enclosure protection rating for robust reliability.
● Allows a single input power source to provide different voltage levels simultaneously, meeting various load requirements.
● Suitable for residential and light industrial power supply systems, small factories or workshops, and agricultural equipment power supply.
$1,343.75
500VA Control Transformer, Single Phase, 240V to 110/36/24V
● 500VA single-phase control transformer designed for AC 50/60Hz industrial and commercial applications.
● Steps down 240V AC to 110V / 36V / 24V AC with reliable voltage isolation.
● Supports multiple voltage configurations for flexible control power supply applications.
● Full electrical isolation between primary and secondary windings for improved safety.
● Suitable for industrial control panels, machine tools, automation systems, lighting circuits, and signal lamps.
$373.08
500VA Single Phase Isolation Transformer, 220V to 110V
● 500VA single-phase dry-type isolation transformer, steps down 220V to 110V; step-up 110V to 220V also available.
● Flexible voltage configuration, primary and secondary voltages both support a wide range: 110V / 120V / 208V / 220V / 230V / 240V.
● Optional aluminum or copper wire winding; CE & ISO certified.
● Working efficiency ≥95%, natural air self-cooling, 50Hz/60Hz compatible.
$547.25
2kVA Split Phase Transformer, 110V/120V to 220V/240V
● 2 kVA split phase transformer converts 110/120V single-phase input to 220/240V split-phase output, with customizable voltage options.
● Provides 110/120V line-to-neutral and 220/240V line-to-line output for compatible split-phase loads.
● Compatible with 50/60 Hz power systems, with optional copper or aluminum windings.
● Features air cooling and an IP20-rated enclosure for workshops, residential equipment, test systems, control panels, and light industrial applications.
$1,578.96
35-0-35V Toroidal Transformer, 350VA/500VA
● 350VA/500VA output capacity supports stable performance in compact electronic systems.
● Operates at 50Hz/60Hz with natural air cooling for dependable daily use.
● Low-noise toroidal core helps reduce hum and interference during operation.
● Temperature rise stays below 70°C at 120% overload for better thermal reliability.
$159.99
5 kVA Three Phase Autotransformer, 480V to 240V/230V
● 5 kVA three-phase step-up & down autotransformer for industrial voltage conversion.
● 480V to 240V/230V step-down configuration, suitable for international power systems.
● Standard configuration: 380V to 220V/200V, multiple voltage options available.
● Dry-type electromagnetic induction design, stable and efficient performance.
● 50/60 Hz frequency compatible, suitable for global applications.
$1,617.54
800VA Control Transformer, Single Phase, 220/380V to 120/48V
● 800VA single-phase mini dry-type control transformer for AC 50/60Hz control and lighting circuits.
● Dual primary voltage inputs: 220V and 380V, switchable to suit different power supply environments.
● Dual secondary voltage outputs: 120V and 48V, meet multiple load requirements simultaneously.
● Air-cooled, dry-type, automatic mode construction for safe and maintenance-free operation.
● Fully supports customizable primary and secondary voltage configurations (primary ≤500V, secondary ≤240V).
● Compact mini form factor suited for panel mounting and space-constrained installations.
$425.69
800VA Single Phase Isolation Transformer, 110V to 240V
● 800 VA single-phase isolation transformer for sale, step up 110V to 240V or step down 240V to 110V.
● Wide voltage compatibility: primary and secondary voltages customizable across 110V / 120V / 208V / 220V / 230V / 240V and more.
● Dry-type air self-cooling design; compatible with AC 50Hz / 60Hz circuits.
● Class H insulation, IP20 protection grade; working efficiency ≥95%.
● Zero waveform distortion — complete galvanic isolation between primary and secondary sides.
● Trusted across industrial, commercial, and infrastructure applications.
$633.84
1 kVA Control Transformer, Single Phase, 380V to 208/36V
● 1kVA single-phase control transformer for industrial control circuits and machine tools.
● Steps down 380V AC to 208V and 36V outputs for a stable control power supply.
● Full electrical isolation between primary and secondary windings for enhanced safety.
● Available with enameled copper or aluminum windings for different cost and performance requirements.
● Designed for AC 50/60Hz electrical systems and industrial equipment.
● Supports customizable input and output voltages for various control transformer applications.
$576.31
1 kVA Single Phase Isolation Transformer, 240V to 120V
● Single-phase 1kVA isolation transformer for AC voltage conversion.
● Customizable input/output voltages: 110V / 120V / 208V / 220V / 230V / 240V and more supported.
● Choice of aluminum or copper enameled wire winding to suit budget and performance needs.
● Enclosed structure with IP20 protection.
● Stable performance with low noise operation.
$784.36
15 kVA Three Phase Autotransformer, 400V to 230V/220V
● 15 kVA three-phase autotransformer for industrial voltage conversion.
● 400V to 230V/220V step-down configuration, suitable for international power systems.
● Standard configuration: 380V to 220V/200V, multiple other voltage options supported.
● Dry-type autotransformer design using electromagnetic induction.
● 50/60 Hz compatible, adaptable to global AC power networks.
● Copper or aluminum winding available to match project specifications and budget.
$2,333.23
2 kVA Control Transformer, Single Phase, 240/480V to 220/36V
● 2kVA single-phase dry-type control transformer rated for AC 50/60Hz industrial environments.
● Customizable primary and secondary can be specified to order.
● Class H insulation for superior thermal endurance and extended operational lifespan.
● Widely applied in machine tools, indicator light circuits, local work lighting, and machine control appliances.
$756.24
24-0-24V Toroidal Transformer, 120VA/150VA
● 120VA/150VA output for audio equipment, control systems, and power applications.
● Standard 120V AC primary and 2x24V AC secondary, with custom voltages available.
● Copper wire winding improves electrical stability and efficiency.
● Toroidal core design helps reduce hum, interference, and leakage loss.
$112.99
3kVA Split Phase Transformer, 110V/120V to 220V/240V
● 3kVA split phase transformer, input voltage 110V, 120V, 208V, 220V, 230V, 240V, 380V, 415V (customizable), output voltage 120V/240V.
● Air-cooled, IP20 protection, winding material copper/aluminum optional.
● Phase-splitting power supply solves equipment operation problems, isolation function improves electrical safety.
● Provides cleaner and more stable power for machine tools, water pumps, fans, air compressors, etc.
$2,156.89
2 kVA Single Phase Isolation Transformer, 240V to 110V
● 2 kVA dry-type single-phase isolation transformer, ideal for residential, commercial, and light industrial use.
● Supports a wide range of voltage configurations: 110V / 120V / 208V / 220V / 230V / 240V on both primary and secondary sides.
● Multiple wiring options: 240V→110V, 208V→120V, 110V→230V, and more — fully customizable to application needs.
● Rated for 50 Hz and 60 Hz systems, compatible with global power standards.
● Choice of enameled copper wire or aluminum wire winding to suit different budgets and performance needs.
● Up to 95% efficiency with low core loss, reducing operating costs by up to 30%.
$854.47
25 kVA Three Phase Autotransformer, 240V to 410V/480V
● 3-phase dry-type autotransformer, 25 kVA rated capacity, 98% high efficiency.
● Standard configuration: input 380V, output 220V/200V. 120V-480V optional.
● Supports multiple voltage configurations to suit diverse application requirements.
● Designed for fixed three-phase voltage conversion in motors, pumps, fans, conveyors, generators.
● Compatible with 50Hz and 60Hz AC power supply systems.
$2,884.31
30-0-30V Toroidal Transformer, 200VA/300VA
● 200VA rating fits compact equipment requiring efficient and low-noise power conversion.
● Standard configuration: 120V AC / 2x30V AC, 50Hz/60Hz.
● Copper winding and toroidal core help maintain stable output.
● Low electromagnetic radiation makes it suitable for sensitive electronics.
$138.99
4kVA Split Phase Transformer, 110V/120V to 220V/240V
● 4 kVA split phase transformer converts 110/120V single-phase input to 220/240V split-phase output.
● Delivers 110/120V line-to-neutral and 220/240V line-to-line power for compatible split-phase equipment.
● Supports customizable primary voltages and optional copper or aluminum windings.
● Features ≥50 MΩ insulation resistance, air cooling, and IP20 protection for workshops, control panels, test systems, and light industrial applications.
$2,384.98
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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