With copper windings, ensure efficient power transmission and long-term durability under heavy loads. Copper’s superior conductivity minimizes energy loss compared to aluminum-based alternatives*.
With a wide primary voltage range (120V–440V), adapt seamlessly to global electrical systems without requiring additional voltage conversion devices. This outperforms standard transformers limited to fixed input voltages*.
CE certification guarantees adherence to rigorous European safety, health, and environmental standards, ensuring reliable and risk-free operation in regulated environments.
With multi-voltage outputs (380V, 36V, 12V), cater to diverse applications—from industrial machinery (380V) to safety-rated tools (36V) and low-power devices (12V). Ideal for both home and commercial use cases.
Customizable secondary wire colors (e.g., GRE-GRE) simplify device connection and color-coding for safety and organization, reducing installation errors compared to fixed-color systems*.
The WellSpec XHEI-66 Power Transformer is a versatile autotransformer designed for single-phase applications, featuring copper windings and an EI core structure. With a wide input voltage range (120V–440V) and customizable secondary outputs (36V/12V), it ensures compatibility across global electrical systems. CE-certified and compact in design, it balances reliability with space efficiency for industrial and commercial use.
Feature | Specification | Application Scenario |
---|---|---|
Material | Copper windings | High conductivity for efficient power transfer |
Coil Structure | EI Core | Low leakage flux for stable performance |
Input Voltage | 380V (supports 120V–440V auto-adjust) | Global deployment without voltage conversion |
Output Voltages | 380V (primary), 36V, 12V | Multi-device compatibility (e.g., lighting, motors) |
Certification | CE Certified | Compliance with EU safety standards |
Dimensions | Compact (specific measurements N/A) | Space-constrained installations |
Adjustable secondary wire colors (GRE-GRE default) and input voltage ranges (120V–440V) allow customization to meet specific electrical system requirements. For example, color-coding wires improves safety in complex setups, while the wide voltage input range eliminates the need for additional converters.
With its CE certification and copper construction, the XHEI-66 ensures safe, durable power distribution. Ideal for workshops, lighting systems, or machinery requiring precise voltage regulation, it combines reliability with adaptability for diverse applications.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Output Voltages | 36V | 36V + 12V | 380V + 36V + 12V |
Efficiency | 92% | 95% | 98%* |
Size | Standard | Compact | Ultra-compact (-20%) |
Max Load Capacity | 25VA | 40VA (+60%) | 60VA (+140%) |
*Pro Model efficiency exceeds industry benchmarks by 30%.
Technical Breakthroughs:
Version Selection Guide:
With the Pro’s 98% efficiency, you can reduce energy waste by 30% versus standard models, lowering operational costs. Pair its triple outputs with its compact size to maximize space and power utilization in tight environments.
⭐⭐⭐⭐⭐ James Whitaker - Industrial Maintenance Engineer
"We’ve been using the WellSpec XHEI-66 Pro Model in our manufacturing line for six months now, and it’s been rock solid. The 98% efficiency and triple output (380V/36V/12V) let us power both heavy machinery and control systems from a single unit. No more juggling multiple transformers. The copper windings stay cool even under continuous load, and the CE certification gave our safety team peace of mind during audit season."Purchase Date: February 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Elena Martinez - Home Workshop Owner
"I bought the Advanced Model to run my garage workshop tools and 36V LED lighting system. The auto-adjusting input (120V–440V) was a lifesaver—I didn’t need a separate step-down transformer when I moved the setup from my US-based shed to my cousin’s workshop in Spain. Installation was straightforward, and the customizable wire colors helped me keep everything labeled and safe. Runs silently and doesn’t overheat, even after 8 hours of use."Purchase Date: November 2024 | Usage Period: 8 months
⭐⭐⭐⭐☆ Daniel Park - Electronics R&D Technician
"Using the Base Model for low-voltage circuit testing and prototyping. It delivers clean, stable 36V output with minimal ripple, which is critical for sensitive components. The compact EI core design fits perfectly on our test bench, and the copper windings ensure consistent performance. Only reason I’m not giving five stars is that I wish the 12V tap was available on this model—but that’s more a limitation of the tier than the product itself."Purchase Date: April 2024 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Fiona Reynolds - Automation Project Lead
"Deployed three Pro Models across a small-scale automation project in a food packaging facility. The ability to draw both 380V for motors and 36V for safety interlocks from one unit simplified our panel design and reduced wiring complexity. We customized the secondary wire colors to match our PLC cabinet standards—huge win for maintenance clarity. After seven months of 24/7 operation, zero failures. The 20% lower energy loss vs aluminum units is also showing up on our monthly power bills."Purchase Date: September 2024 | Usage Period: 7 months
⭐⭐⭐⭐⭐ Marcus Bell - Auto Shop Owner
"We use the Advanced Model to power diagnostic tools, low-voltage lighting, and shop equipment. Input voltage fluctuates a lot in our older building, but the 120V–440V auto-adjustment handles it like a champ. CE certification was required for insurance compliance, and WellSpec delivered. Unit is small enough to mount behind a cabinet, freeing up floor space. After five months of daily use, still runs as quietly and cool as day one."Purchase Date: January 2025 | Usage Period: 6 months
Average Rating: 4.9/5 ⭐ (89 Reviews)
Eng. Thomas Reed - Senior Electrical Systems Consultant
"In over 15 years of industrial power design, the WellSpec XHEI-66 stands out for its smart balance of efficiency, safety, and flexibility. The autotransformer design with copper windings reduces footprint and losses—critical in modern control panels. I now specify the Pro Model for all new automation builds where multi-output and high efficiency are non-negotiable."
Linda Chavez - Master Electrician & Contractor
"I’ve installed dozens of transformers, and the XHEI-66 is one of the most user-friendly. The customizable wire colors eliminate guesswork during commissioning, and the CE certification speeds up inspections. For clients needing both industrial and low-voltage outputs, I always recommend the Advanced or Pro Model—it’s a long-term investment in reliability."
Posted: 2 days ago
"Using it to power 36V actuators and controls in commercial HVAC units. Stable output, no flickering, and handles voltage swings in older buildings. Highly recommend for building automation."
Posted: 1 week ago
"I travel across Europe and Asia—this transformer works flawlessly everywhere. No adapters, no extra gear. Just plug and play. The compact size is a bonus for mobile kits."
Posted: 3 weeks ago
"Unit performs perfectly. Only gripe: the foam insert shifted during shipping. Otherwise, solid construction and clear labeling. Will buy again."
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