Functional Devices TR150VA008 Transformer, 150VA 480/277/240/208 to 120 Vac, Foot and Dual Threaded Hub Mount, Circuit Breaker
Quick take
This 150VA isolation transformer is built to take common higher-voltage inputs (480/277/240/208V) and deliver 120V for powering 120V electronic devices. The main thing to double-check is that your incoming line matches the transformer’s intended 480/277/240/208V input range and that 150VA is enough for your load.
Pros and cons
Pros
- Designed for voltage conversion from 480/277/240/208V to 120V output (intended for 120V electronic devices).
- 150VA rating provides a defined capacity for appropriately sized loads.
- Foot and dual threaded hub mount supports common installation methods.
- Includes a circuit breaker, adding local protection for the transformer output.
Cons
- Buyer-fit depends on matching the correct input voltage from your facility, since it is not a 120V-to-low-voltage transformer.
- Capacity is limited to 150VA, so larger loads may require a higher-rated transformer.
- Material and enclosure are listed as plastic, which may be a consideration for harsh environments.
What buyers think
Buyer-review evidence is limited, with only a small number of ratings available. With that constraint, it is not possible to form a reliable pattern about performance, noise, build quality, or long-term reliability. The most buyer-relevant guidance is to focus on specification fit, especially input voltage compatibility and whether 150VA meets your device load requirements.
Who this transformer is for
The Functional Devices TR150VA008 is a practical choice when you need 120V power for electronic equipment, but your source is a higher-voltage system commonly found on industrial or commercial circuits (480/277/240/208V). If you are converting down to 120V while also using an isolation transformer approach, this model’s configuration can match that use case.
Key specifications that affect real-world fit
Voltage conversion (the non-negotiable check)
- Input: 480/277/240/208V
- Output: 120V AC
Before buying, confirm your available incoming voltage at the installation point. Choosing the wrong input configuration is the most common way isolation and step-down transformers end up being a mismatch.
Capacity (150VA)
The transformer is rated at 150VA. That means it is intended for loads that fall within that capacity. If you are powering multiple devices or motors with startup surge, you should size the load carefully to avoid undersizing.
Mounting and enclosure
- Mounting style: foot and dual threaded hub mount
- Enclosure material: plastic
The mounting method can be important for how quickly you can integrate the transformer into an existing enclosure or panel layout. Plastic construction can work well in protected indoor areas, but if your environment is especially demanding, it is worth considering enclosure/material requirements for your setup.
Pros and cons in plain English
Pros
- Clear voltage target: it’s built for 480/277/240/208V to 120V conversion.
- Defined sizing: 150VA capacity is a straightforward reference point for load planning.
- Installation flexibility: foot and dual threaded hub mount options.
- Protection included: a circuit breaker is part of the unit’s configuration.
Cons
- Not universal voltage: if your source is not in that 480/277/240/208V family, it will not be the right fit.
- Limited output power: 150VA may be insufficient for higher-demand systems.
- Environment matters: plastic enclosure material may not suit all outdoor or high-abuse installations.
Price and availability
The current listed price is $148.31 (with a higher list price shown as $315.99). Availability is listed as in stock. For the most up-to-date pricing and shipping details, check the latest listing here: Buy on Amazon.
Verdict: is the Functional Devices TR150VA008 worth it?
It’s worth considering if you specifically need a 480/277/240/208V to 120V isolation transformer with 150VA of capacity, and you prefer a foot plus dual threaded hub mounting approach with circuit breaker protection. If you are unsure about your incoming voltage or your load is likely to exceed 150VA, you may be better served by a different-rated transformer or a model configured for your exact input/output needs.
FAQ
What does the TR150VA008 transformer do?
It converts higher-voltage input (480/277/240/208V) to a 120V output intended for powering 120V electronic devices.
Is 150VA enough for my devices?
150VA is a capacity rating, so you should total the load you plan to run and ensure it stays within the transformer’s intended power range. If startup surges or multiple devices push the demand higher, a larger transformer may be needed.
Do I need 480V, 277V, 240V, or 208V input?
The transformer is designed for input from the 480/277/240/208V family. Match the installed input voltage to the transformer’s intended range, since it is meant to step down to 120V.
How is it mounted?
It uses a foot mount and dual threaded hub mount style, which can fit common installation layouts.
Is this transformer suitable for outdoor use?
The enclosure material is listed as plastic. That can be fine in protected indoor or sheltered locations, but for outdoor or harsh environments you should consider whether your installation needs additional weather or impact protection.
Specifications
| Product Title | Functional Devices TR150VA008 Transformer, 150VA 480/277/240/208 to 120 Vac, Foot and Dual Threaded Hub Mount, Circuit Breaker |
|---|---|
| Category | Electronics > Power Accessories > Isolation Transformers |
| Brand | RIB |
| Manufacturer | Functional Devices, Inc. |
| Model Number | TR150VA008 |
| Color | Black |
| Material | Plastic |
| Item Weight | 0.01 Ounces |
| Additional Features | Powered |
| Compatible Devices | Electronic devices that operate on 120 Vac |
| Number of Ports | 4 |
| Enclosure Material | Plastic |
| UPC | 696333866248 |
| Mfr Part Number | TR150VA008 |
| Unit Count | 1.0 Count |
| Special Feature | Powered |
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