Best 4160 to 480 Transformer Solutions for Industrial Use
Industrial power transformers are critical for stepping voltage up or down to suit equipment and control panels. This article highlights five reliable transformers that handle 4160-to-480-volt style applications and related configurations. Each entry provides core specs, typical use cases, and key considerations to help buyers compare options for efficiency, safety, and performance in commercial and industrial environments.
Summary of Selected Products
| Product | Brand | VA Rating | Primary / Secondary | Notes |
|---|---|---|---|---|
| TR50VA008 Transformer | Functional Devices | 50 VA | 480/277/240/208 to 120 Vac | Foot and dual threaded hub mount; includes circuit breaker |
| Industrial Control Transformer | Hubbell Acme Electric | 50–5000 VA range | Various primary; 120/240 secondary options | Epoxy encapsulated; robust for contaminants |
| ABB 9T58K2810 | ABB | 0.5 kVA | 240×480 to 120/240 | Moisture-resistant; seismic-qualified |
| Siemens Domestic 500 VA | SIEMENS | 500 VA | 240×480 to 120/115/110 | High efficiency core; copper windings |
| Siemens Domestic 350 VA | SIEMENS | 350 VA | 240×480 to 120/115/110 | Efficient, suitable for light to moderate loads |
Functional Devices TR50VA008 Transformer

The Functional Devices TR50VA008 provides 50 VA capacity with options to handle 480/277/240/208 to 120 Vac. It includes a circuit breaker and dual threaded hub mounting, making it suitable for control panels and compact enclosures where space is limited. Its package weight and dimensions indicate a compact, American-made build ideal for standard installations in 120/240-volt systems. This unit supports critical control circuits and instrumentation in demanding environments, offering reliable performance with straightforward mounting.
Industrial Control Transformer

Hubbell Acme Electric’s Industrial Control Transformer covers a broad 50–5000 VA range with a 50/60 Hz rating. Its epoxy encapsulated core and coil protect against contaminants, while silicon steel laminations minimize core losses for improved efficiency. The flexible primary and secondary configurations make it a versatile choice for HVAC controls, panel boards, and lighting circuits where reliability and resilience are essential in industrial settings.
ABB 9T58K2810 Low Voltage Dry Type Transformer

ABB’s 9T58K2810 is a versatile 1-phase isolation transformer rated at 0.5 kVA with a primary of 240×480 V and a secondary of 120/240 V. It features moisture resistance, seismic qualification, and a compact, encapsulated core design for quiet operation. This transformer suits control panels, lighting, and other low-to-medium load applications that require dependable isolation and robust performance in challenging environments.
Siemens Domestic Power Transformer, 500 VA

Siemens’ 500 VA domestic transformer steps 240 x 480 volt primary to 120/115/110 V secondary, offering copper magnet wire, silicon steel laminations, and a design aimed at efficiency and durability. It’s well-suited for large-scale control panels, HVAC equipment, and other systems requiring steady, isolated power delivery with high reliability and long service life in commercial environments.
Siemens Domestic Power Transformer, 350 VA

Siemens’ 350 VA transformer offers a primary-to-secondary reduction from 240 x 480 V to 120/115/110 V, making it suitable for smaller control circuits and instrumentation within industrial panels. The combination of silicon steel laminations and copper windings focuses on efficiency, with a design that supports moderate loads and dependable regulation for sensitive electronics and control logic.
Buying Guide: Key Purchase Considerations
When selecting a transformer for 4160-to-480-type or related voltage conversion, consider the following factors to ensure safe and efficient operation:
- VA Rating and Load Profile: Match the transformer’s VA rating to the anticipated load. Oversizing can incur unnecessary cost, while undersizing risks overheating and voltage drop.
- Primary and Secondary Voltages: Verify the exact voltage pairs (e.g., 240×480 V to 120/240 V) and ensure compatibility with existing equipment, labeling, and safety standards.
- Isolation and Protection: Isolation transformers provide safety by decoupling circuits; assess whether integral circuit breakers or fusing is required for your panel design.
- Enclosure and Mounting: Consider foot, hub, or surface mounting based on space constraints and environmental exposure. Dry-type or encapsulated designs offer different moisture and contaminant resistance.
- Efficiency and Core Material: Silicon steel laminations and copper windings improve efficiency and reduce heat. Encapsulation helps resist moisture and corrosion in harsh environments.
- Environmental Conditions: Temperature, humidity, seismic requirements, and potential exposure to dust or chemicals should influence the choice of transformer construction and mounting.
- Maintenance and Serviceability: Look for models with accessible components and documented service guidelines to facilitate routine maintenance and replacement if needed.
- Compliance and Certifications: Ensure the unit meets applicable standards for safety and performance in your industry and region.
In practice, selecting a transformer involves balancing capacity, voltage accuracy, physical design, and environmental durability. For panel builders and system integrators, frameworks like isolation and control transformers offer clear advantages in protecting sensitive circuits and ensuring stable operation across different loads and duty cycles.