
TF5150-BL-277 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $89.00 | Condition is Used, Juno TF5150-BL-277 Magnetic Transformer 277V to 12VAC 150VA , shipping cost = $27.50 | 100.0% |

The Juno TF5150-BL-277 Lighting Transformer is a versatile and high-performing electrical component designed for use with 12V AC lighting systems. This transformer, which operates on a 277V input voltage, is an essential piece of equipment for any lighting installation that requires step-down voltage conversion.
Measuring 3.3 inches long, 2.5 inches wide, and 1.2 inches high, the TF5150-BL-277 is compact and unobtrusive, making it an ideal choice for various applications. Its black powder-coated finish not only enhances its aesthetic appeal but also ensures durability and resistance to corrosion.
This Juno transformer is engineered to deliver optimal electrical efficiency, with a maximum output of 55 watts. Its heavy-duty design allows it to handle up to 2.5 amps of load current, ensuring reliable and consistent power delivery to your lighting system.
The TF5150-BL-277 features a universal voltage input that can be used in various electrical configurations. It is UL and cUL listed, adhering to the highest safety standards. Additionally, it is compatible with both single-phase and three-phase electrical systems.
Equipped with a built-in thermal protector, this transformer ensures safe operation by automatically shutting off power if the temperature exceeds safe levels. This feature adds an extra layer of protection for your lighting system and prevents potential electrical hazards.
Installation of the Juno TF5150-BL-277 is straightforward and simple. The transformer comes with a 6-inch lead wire, allowing for flexible placement of the transformer relative to the electrical source. The transformer also includes a grounding lug for added safety.
In summary, the Juno TF5150-BL-277 Lighting Transformer is a dependable and powerful electrical component designed for use in 12V AC lighting systems. Its compact size, universal compatibility, and built-in safety features make it an excellent choice for various applications while ensuring the highest level of safety for your lighting installation.
The Juno TF5150-BL-277 lighting transformer is a 277V 12VAC transformer designed for use with Juno's LED downlight fixtures. Here are some pros and cons that may help in making a decision about purchasing this transformer:
Pros:1. Designed specifically for use with Juno LED downlight fixtures, ensuring compatibility and reliability.
2. 277V input voltage makes it suitable for use in commercial and industrial settings where higher voltages are common.
3. 12VAC output voltage is ideal for powering Juno's LED downlights.
4. Compact size allows for easy installation in tight spaces.
5. UL listed, ensuring safety and compliance with industry standards.
Cons:1. Limited to use only with Juno LED downlight fixtures.
2. Higher upfront cost compared to generic transformers.
3. May require additional wiring and installation costs depending on the specific application.
In conclusion, the Juno TF5150-BL-277 transformer is a reliable and efficient option for powering Juno LED downlight fixtures in commercial and industrial settings where higher voltages are common. Its compact size and UL listing add to its appeal. However, its limited compatibility and higher upfront cost may be drawbacks for some.
If you are installing Juno LED downlights and require a transformer, the Juno TF5150-BL-277 is a recommended option due to its compatibility, safety, and reliability. However, if you are looking for a more cost-effective solution or are not using Juno fixtures, you may want to consider other options.
Details:
Shipped USPS. Appears new on the inside, listed as used due to 2 of knockouts being removed.
specifications faclighting:
- brand: Juno
- mpn: Tf5150-bl-277
- part type: Transformer Lighting
returns faclighting:
- policy: no returns
general faclighting:
- category: Business & Industrial > Maintenance Safety > Facility > Lights Lighting
shipping faclighting:
- service: usps ground advantage
- transit: 4-11 days
- type: calculated
- class: standard
- carrier: usps
offer faclighting:
- availability: in stock
- started: march 3, 2026
- in stock #: 1
- best offers: true
- options: ship-to-home
- price: $89.00
- item condition: Used
- sold #: 15
payments faclighting:
- credit card: visa
- other
- wallet: google-pay
seller faclighting:
- # reviews: 880
- rating: 100.0%
- city: veneta, oregon
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