250W Step Down Transformer 277V to 120V
250W Step Down Transformer 277V to 120V
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Product: 100W Step Down Transformer 277V to 120V (Model: NA-277/250MC)
Nora’s step down transformer is an accessory offered to take 277V supply voltage and reduce it to 120V. The transformer is
installed by a qualified electrician on a supply junction box before the 120V load.ting the 120V load.
Key Features:
- Allows 120V devices to operate with higher voltage inputs
- Easy installation on a junction box using standard knockout
- Dimmable
Electrical Specifications:
- Input Voltage: 277V
- Output Voltage: 120V
- Wattage Options: 50W, 100W, or 250W (For usable load calculation, derate by 25%)
Dimming Options:
- Primary Side: Dimming on the primary side should be performed using a 277V low voltage magnetic dimmer.
- Secondary Side: Dimming on the secondary side (120V) should be done with a compatible dimmer recommended for the specific load type.
Installation Requirements:
- Minimum Clearance: Maintain a minimum of 3 inches from thermal insulation and 1/2 inch from adjacent building components.
Labels and Listing:
- UL Recognized
Origin:
- Made in the USA
Shipping Information:
If the item is in stock, it will be shipped within 3 to 5 business days, ensuring a prompt delivery to your doorstep.
Shipping & Returns
Shipping & Returns
Free Shipping within the U.S. for orders over $100.
All products on our website are final sale and non-returnable.
What are the items you could return?
1. Items received damaged or broken
2. Incorrect items that were shipped
3. Defective items
A replacement will be shipped right away.




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Return Policy
Learn moreOur return policy is based on the manufacturer. Please inspect the items delivered to you before accepting them. A replacement will be shipped for incorrect, defective or damaged item.