Best 2kVA Transformer 480V to 120V Options for Industrial and Commercial Use
Finding a reliable 2 kVA transformer to convert 480V to 120V involves evaluating VA rating, input/output compatibility, mounting options, and safety features. The following selections cover a range of 40–250 VA models suitable for control circuits, lighting, and small equipment, with some capable of higher input voltages up to 480V. The table below highlights key product attributes to help compare at a glance.
| Product | Brand | Input | Output | VA Rating | Mounting | Key Benefit |
|---|---|---|---|---|---|---|
| TR50VA008 Transformer | Functional Devices | 480/277/240/208 VAC | 120 VAC | 50 VA | Foot and Dual Threaded Hub | Compact control transformer with circuit breaker |
| TR150VA008 Transformer | Functional Devices | 480/277/240/208 VAC | 120 VAC | 150 VA | Foot and Dual Threaded Hub | Higher power for heavier control loads |
| TR40VA013 Transformer | Functional Devices / RIB | 480/277/240/208 VAC | 120 VAC | 40 VA | Foot or 1/2″ NPT Hub | Versatile mounting with circuit breaker |
| Lusperi LS120-75EN-277 | Lusperi | 277 VAC | 120 VAC | 75 VA | Hardwired | 277V to 120V dropper for commercial lighting |
| ELCO Lighting ETR-277 | ELCO Lighting | 277 VAC | 120 VAC | 250 VA | Not specified | Flexible 277V to 120V conversion for low-voltage lighting |
Functional Devices TR50VA008 Transformer
Brand: Functional Devices. Model: TR50VA008. Input voltage options include 480, 277, 240, and 208 VAC with a 120 VAC output. This transformer includes a circuit breaker for protection and offers both foot mounting and dual-threaded hub mounting. Package weight is 1.285 kg, with compact footprint suitable for control panels and equipment racks. Ideal for low-to-moderate power control circuits requiring isolation and reliability.
Functional Devices TR150VA008 Transformer
Brand listed as RIB in product details. Model TR150VA008 provides 150 VA capacity with input options 480/277/240/208 VAC and outputs 120 VAC. It features a foot and dual-threaded hub mounting arrangement and includes a circuit breaker for overload protection. This transformer is suited for higher-demand control circuits or small machinery requiring reliable AC to 120V conversion with protective features.
Functional Devices TR40VA013 Transformer
Brand: RIB. Model TR40VA013 with 40 VA rating converts 480/277/240/208 VAC to 120 VAC. Includes a circuit breaker and offers foot or 1/2″ NPT hub mounting. Detailed specifications list input voltages, mounting options, and enclosure considerations. This compact transformer suits control panels needing 120V output from higher voltage inputs with protective features.
Lusperi LS120-75EN-277
Brand: Lusperi. A 75 VA hardwired transformer designed to convert 277V input to 120V output, specifically aimed at powering halogen lamps in commercial lighting. It provides a robust solution for 277V lighting systems that require stable 120V supply, helping to prevent flicker and dimming in fixtures like Hatch brand installations.
ELCO Lighting ETR-277 Magnetic Transformer
Brand: ELCO Lighting. The ETR-277 magnetic transformer provides 277V to 120V conversion suitable for low-voltage lighting setups. It positions itself as a versatile option with inputs compatible with 277V and outputs at 120V, supporting a broad range of fixtures. Availability of wattage options is noted, including a 250 VA variant suitable for brighter, longer-lasting lighting projects.
Dayton Control Transformer
Brand: Dayton. Model 31EG82 with 50 VA rating, input 240/480 VAC and output 120 VAC. Made in the United States, this transformer is designed for control applications where simple, reliable 120V control power is required from higher-voltage sources. It emphasizes domestic manufacturing and straightforward installation.
LVSEDTAL 3KVA Control Transformer
Brand: LVSEDTAL. A 3 kVA to 4 kVA range transformer suitable for equipment conversion, with 3KVA specification noted in product title. It claims stability, long service life, and a compact size, aiming at larger loads that still require reliable voltage stepping from higher to 120V. It supports a space-saving footprint in equipment rooms.
RCTCBRZVTW Three-Phase Dry-Type Transformer
Brand: RCTCBRZVTW. Three-phase dry-type transformer with isolation options, listing 2 kVA to 10 kW ranges including 2 kVA. Described as stable, maintenance-friendly, and easy to install, this unit is versatile for industrial environments requiring robust phase conversion and reliable power for multiple devices.
Buying Guide
Key considerations when selecting a 480V-to-120V transformer include:
- Voltage and phase compatibility: Ensure the input voltage matches your supply (single-phase vs three-phase) and that the output is a stable 120V suitable for your equipment.
- VA rating: Choose a VA rating that comfortably exceeds the total load you plan to power. Underestimating load can cause voltage drop or overheating.
- Mounting and enclosure: Verify mounting options (foot, hub, NPT) and enclosure protection to suit your installation environment and space constraints.
- Safety features: Circuit breakers or fuses, thermal protection, and compliance with UL/CSA standards help protect both the transformer and connected equipment.
- Isolation and regulation: Some loads require electrical isolation or tighter voltage regulation; review whether the transformer provides stable output under varying loads.
- Ambient conditions: Consider temperature, humidity, and enclosure rating to ensure long-term reliability in your workspace.
- Maintenance and accessibility: Look for models with easy access to connections and clear documentation for wiring and installation.
- Warranty and supplier support: Choose trusted brands offering clear warranty terms and helpful technical support in case of issues.
- Compatibility with lighting and equipment: For lighting systems, ensure the transformer’s wattage and compatibility with ballast types or LED drivers if applicable.
These factors help balance performance, safety, and cost across a range of applications, from control panels to commercial lighting installations. When in doubt, consult a qualified electrical professional to confirm the suitability of a specific transformer for your project.