Best 3KVA Transformer 480V to 120V Solutions for Your Setup
Choosing the right transformer to convert 480V to 120V requires assessing load, voltage stability, mounting options, and safety features. This guide highlights practical 3KVA-class and nearby capacities that commonly support equipment power conversion in industrial and commercial settings. Each option below offers different mounting styles, durability, and protection features to fit various installations.
| Product | Brand | Power (VA) | ||
|---|---|---|---|---|
| LVSEDTAL 3KVA Transformer | LVSEDTAL | 3000 VA | 480/240/277/208 VAC to 120 VAC | Compact, durable, space-saving |
| Functional Devices TR50VA008 | Functional Devices | 50 VA | 480/277/240/208 VAC to 120 VAC | Foot and dual threaded hub mount |
| Functional Devices TR40VA013 | RIB (Functional Devices) | 40 VA | 480/277/240/208 VAC to 120 VAC | Circuit breaker, multiple mounting options |
| Functional Devices TR150VA008 | RIB | 150 VA | 480/277/240/208 VAC to 120 VAC | Foot and dual threaded hub mounting |
| SG-10KVA Three-Phase Dry-Type Transformer | IBXDTUVJ | 10,000 VA | 480 VAC to 380 VAC (three-phase) | Heavy-duty, dry-type, high output flexibility |
LVSEDTAL 3KVA Transformer

Brand: LVSEDTAL
- Power: 3 kVA
- Input: 480/240/277/208 VAC
- Output: 120 VAC
- Notes: Durable, compact, suitable for equipment conversion
Functional Devices TR50VA008 Transformer

Brand: Functional Devices
- Power: 50 VA
- Input: 480/277/240/208 VAC
- Output: 120 VAC
- Mounting: Foot and dual threaded hub
Functional Devices TR40VA013 Transformer

Brand: RIB
- Power: 40 VA
- Input: 208/240/277/480 VAC
- Output: 120 VAC
- Features: Circuit breaker, various mounting options
Functional Devices TR150VA008 Transformer

Brand: RIB
- Power: 150 VA
- Input: 480/277/240/208 VAC
- Output: 120 VAC
- Notes: Foot and dual threaded hub mounting, includes circuit breaker
Three-Phase Dry-Type SG-10KVA Transformer

Brand: IBXDTUVJ
- Power: 10,000 VA
- Input: 480 VAC
- Output: 380 VAC (three-phase)
- Notes: Stable, maintenance-friendly, easy to install
Buying Guide: Key Considerations For 480V To 120V Power Conversion
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<liPower rating and headroom: Align the transformer’s VA rating with your peak load. If you anticipate surges, choose a unit with some margin above your calculated needs.
<liVoltage compatibility: Confirm input voltage options (480, 277, 240, 208 VAC) and ensure the output is 120 VAC for your equipment. Some models support multiple inputs for flexibility.
<liMounting and enclosure: Determine whether you need foot mounting, hub mounting, or wall/bench mounting. Consider enclosure protection ratings if used in harsh environments.
<liProtection features: Circuit breakers, fusing, and thermal protection help prevent damage to connected devices. Verify whether protections are built-in or external.
<liMaintenance and durability: Dry-type transformers typically offer robust durability in industrial settings. For sensitive electronics, ensure clean power delivery and low noise.
<liPhase considerations: If your load is single-phase, prioritize 120V single-phase transformers. For three-phase systems, consider three-phase models or delta/wye configurations as required.
<liSize and footprint: Larger capacities (like 3 kVA to 10 kVA) require more space. Check available cabinet or rack space and weight handling for installation.
<liCost of ownership: Factor in initial cost, mounting hardware, and potential cooling needs. While higher VA units may be pricier, they can reduce overheating and maintenance.
<liVendor support and documentation: Look for models with clear specifications, wiring diagrams, and accessible customer support if problems arise.