For facilities that demand reliable voltage conversion at a substantial 15 kVA capacity, choosing a single-phase or three-phase transformer designed for step-up or step-down service is essential. This article highlights five 15 kVA GoHz transformers, each suited to different voltage configurations and industrial settings. Read on to compare features, applications, and procurement considerations to help you select the right unit for your equipment and workload.
| Product | Phase | Primary Voltage Range | Secondary Voltage Range | Key Benefit |
|---|---|---|---|---|
| GoHz 15 kVA Single Phase (120V to 240V) | Single | 208 V AC (optional 110–240 V) | 240 V AC (optional 110–230 V) | Industrial-grade isolation with dry-type copper windings |
| GoHz 15 kVA Single Phase (110V to 240V) | Single | 208 V AC (optional 110–240 V) | 240 V AC (optional 110–230 V) | High-efficiency voltage transformation for varied inputs |
| GoHz 15 kVA Single Phase (110V to 208V) | Single | 208 V AC (optional 110–240 V) | 240 V AC (optional 110–230 V) | Rigid dry-type construction with low-noise operation |
| GoHz 15 kVA 3 Phase (120V–480V to 0–480V range) | Three | 120–480 V (primary) | Varies (including 0–480 V options) | Three-phase stability for CNC, HVAC, and automation |
| GoHz 15 kVA 3 Phase (480V to 208V) | Three | 480 V (primary) | 208 V (secondary) | Efficient three-phase step-down with IP54 protection |
When selecting a transformer, consider phase configuration, voltage tolerance, duty cycle, enclosure protection, and cooling method. The GoHz products above provide dry-type copper windings, IP ratings appropriate for indoor industrial environments, and engineering features aimed at minimizing energy loss and electrical noise. The following product sections give you a concise, side-by-side view of five representative units to help with a practical purchase decision.
GoHz 15 kVA Single Phase 120V–240V Transformer
Specification: 15 kVA, single-phase, 50/60 Hz Copper winding. Primary 208 V AC (optional 110 V / 120 V / 220 V / 230 V / 240 V). Secondary 240 V AC (optional 110 V / 120 V / 208 V / 220 V / 230 V). Heavy-Duty efficiency: 15 kVA isolation transformer designed for industrial loads requiring consistent voltage transformation; minimal energy loss and stable output to protect downstream equipment. Robust dry-type build features an IP20 enclosure, thermally classed enamelled copper winding, high-performance silicon-steel core, and options for natural or forced-air cooling. Low noise makes it suitable for indoor industrial environments.
GoHz 15 kVA Single Phase 110V–240V Transformer
Specification: 15 kVA, single-phase, 50/60 Hz Copper winding. Primary 208 V AC (optional 110 V / 120 V / 220 V / 230 V / 240 V). Secondary 240 V AC (optional 110 V / 120 V / 208 V / 220 V / 230 V). Heavy-Duty efficiency: 15 kVA isolation transformer designed to support industrial loads with efficient voltage transformation and protective output. Dry-Type build includes an IP20 enclosure, enamelled copper windings, and a silicon-steel core, with natural or forced-air cooling to manage heat in factory environments.
GoHz 15 kVA Single Phase 110V–208V Transformer
Specification: 15 kVA, single-phase, 50/60 Hz Copper winding. Primary 208 V AC (optional 110 V / 120 V / 220 V / 230 V / 240 V). Secondary 240 V AC (optional 110 V / 120 V / 208 V / 220 V / 230 V). Designed for industrial loads requiring consistent, high-efficiency voltage transformation; minimal energy loss and stable output protect downstream equipment. Enclosure IP20 with enamelled copper windings and a high-performance silicon-steel core; cooling can be natural or forced air, producing low noise suitable for indoor settings.
GoHz 15 kVA 3 Phase IP54 Transformer (120–480V)
Specification: 15 kVA, three-phase, dry-type copper winding. Primary/Secondary Voltage: 120V–480V optional. Protection Grade: IP54. This three-phase isolation transformer provides reliable power for CNC machinery, HVAC systems, and industrial automation lines. Durable design features dry-type cooling, H-class insulation, a low-loss silicon steel core, and Dyn11 wiring for high efficiency and long-term reliability in demanding environments.
GoHz 15 kVA 3 Phase IP54 Transformer (480V to 208V)
Specification: 15 kVA, three-phase, copper winding. Primary/Secondary Voltage: 480V to 208V options. IP54 protection for robust industrial use. The transformer delivers efficient three-phase transformation with dry-type cooling, H-level insulation, and a low-loss silicon steel core. Dyn11 wiring supports stable performance in automated manufacturing settings.
Buying Guide
Key purchase considerations for a 15 kVA transformer include:
- Phase configuration: Choose single-phase for lighter loads or limited space, and three-phase for larger, multi-line equipment or CNC/automation systems.
- Voltage range and flexibility: Ensure primary and secondary windings cover your current supply and target voltages, including any necessary taps or configurations (such as 110/120/208/240/480 V options).
- Efficiency and cooling: Dry-type copper windings often provide high efficiency with minimal energy loss. Consider natural vs forced-air cooling based on enclosure location and heat dissipation needs.
- Enclosure protection: IP20 is common for indoor use; IP54 offers better dust and splash protection for harsher environments.
- Noise and vibration: For indoor facilities, look for low-noise designs and robust mounting features to minimize disruptions in workspaces.
- Size and weight: A 15 kVA transformer can be bulky; verify installation space, mounting hardware, and weight capacities on floors or enclosures.
- Maintenance and serviceability: Copper windings and dry-type insulation generally support longer life with straightforward maintenance protocols.
- Standards and safety: Ensure devices comply with local electrical codes and industry standards for safe operation in industrial settings.
Safety and reliability are central when selecting a step-up or step-down transformer at this power level. Analyze your facility’s downstream equipment compatibility, startup surge handling, and ongoing energy management goals. If you operate in environments with variable loads or frequent voltage transients, a transformer with stable isolation and low noise becomes especially valuable.