248-276-9640 Weekdays 8-5 EST
Speak With Your Lighting Specialist 248-276-9640 Weekdays 8am-5pm EST
Are you 18 years old or older?
Sorry, the content of this store can't be seen by a younger audience. Come back when you're older.
Keystone Technologies' 480V to 277V Step-Down Auto-Transformers are designed to step down 480V to 277V single-phase power. These transformers enable consumers to utilize common universal voltage (120-277V) electronic ballasts in applications where the main facility power is 480V.
This item is Keystone part number KTAT-375-480-277. It is a Non-Isolated Autotransformer that is Sound Rated A. They carry a 5 Year Limited Warranty and are for Use with LED, T5, T8, CFL, or Electronic HID Ballast Operating at 277V Input Voltage. This step down transformer has a maximum load capacity of 375 watts. The insulation is rated at 105ºC Class A, is UL and cUL 5085 Approved and is Thermally Protected. All lead wires are color coded and are 14" long.
| Input Voltage | 480 Volt |
| Output Voltage | 277 Volt |
| Wattage | 375 Watts |
| Sound Rating | A |
| Dimensions | 11.70" L x 1.70" W x 1.20" H |
| Certifications | cULus Listed |
| Warranty | 5 Year Limited |
Green Electrical Supply is here to help you maximize your green® on all your electrical supply purchases.
Looking for a quote or need help finding an item, simply use our Contact Us form to request a quote, get assistance, or provide feedback. If you're more of a talker, feel free to give us a call at 248-276-9640 during our weekday hours from 8 am to 5 pm EST.
Here's a little tip to make your quote request even smoother: don't forget to copy the SKU from above and include it along with the quantity in your request. It's a small detail that ensures we get you the most accurate and efficient service. And, just a heads up, the SKU is dynamic, especially for products with multiple options. So, be sure to choose your required options first to view the precise SKU.
