Made in Salisbury, MD USA | 
Custom Transformers
Let us design a transformer that fits your needs!
Specify NowPanels & Harnesses
Value-added capabilities to better serve you.
Learn MoreStandard Transformer
Shop our Standard Design Toroidal Transformers.
Shop Now
Choose your Transformer
Choose your Mounting/Hardware
Check Out
These dimmable lamp transformers are designed without noticeable hum when used with many high quality dimmers. Because of the toroidal design, these dimmable lamp transformers are more efficient and use less material than conventional transformers. Please contact us and talk to our engineers to ensure our lamp transformers work with your application.
- UL recognized to UL506
- CUL certified to CSA C22.2 No. 66 standards
- ROHS compliant. Class B (130ºC) Insulation
- Low Temperature Rise
- Excellent Voltage Regulation
- Low Mechanical Noise
- Light Weight
- Low Profile
Data | |||||||
| Primary: 117VAC/60Hz Secondary: 11.8VAC | |||||||
| Order | TCM Part No. (Data Sheet) | Power | O.D. | Height | Weight | No-Load Voltage | Temp. Rise/ Full Load |
| Price | U1501 | 20W | 2.4" | 1.2" | 0.8 lbs. | 14.1V | 38ºC |
| Price | U1502 | 50W | 3.2" | 1.3" | 1.5 lbs. | 13.4V | 41ºC |
| Price | U1503 | 75W | 3.5" | 1.5" | 2.1 lbs. | 12.9V | 35ºC |
| Price | U1504 | 100W | 3.7" | 1.6" | 2.5 lbs. | 12.9V | 40ºC |
| Price | U1505 | 125W | 3.9" | 1.6" | 2.8 lbs. | 12.8V | 46ºC |
| Price | U1506 | 150W | 3.9" | 1.8" | 3.3 lbs. | 12.8V | 47ºC |
| Price | U1507 | 300W | 5.0" | 2.0" | 5.5 lbs. | 12.5V | 48ºC |
| Price | U1508 | 500W | 5.5" | 2.5" | 9.1 lbs. | 12.3V | 46ºC |
| Price | U1509 | 750W | 6.4" | 2.5" | 12.6 lbs. | 12.2V | 45ºC |
| Price | U1510 | 1000W | 6.4" | 3.2" | 16.9 lbs. | 12.2V | 46ºC |
| Note: The temperature rise of a toroidal power transformer operating at 50% of full load will be only 25% of the temperature rise shown above at full load. Recommended by GE for optimum Halogen Lamp Life and Performance | |||||||
| Need custom specifications for your transformer? Click here. | |||||||
UL and CUL Agency Files
| Smaller transformers are supplied with one metal washer and two rubber pads, for power ratings up to 800VA. Larger transformers are typically supplied with an epoxy potted center with a hole for mounting. Other mounting options are available. | |
| Safety Standard UL 506 (Non-medical) CSA C 22.2 No 66 | Agency Reference UL file E-161696 C-UL file E-161696 | |
| Detailed datasheets are available for all listed part numbers. | Caution - If you choose to apply your own mounting solution, remember that it is important that our transformer be mounted in such a way that the mounting screw and the metal chassis will not form a closed loop through the center and thereby create a shorted turn on the transformer. | |
Terms and Conditions
- For larger quantity prices, please contact the factory directly.
- Prices and data subject to change without prior notice
- Delivery: Small quantities of standards are normally available from stock
- 30-Day Return Policy of Undamaged Items - 15% Restocking Fee on Standard Transformers
- 36 Month Product Warranty
- Terms and Conditions