Commercial lighting circuits often run at 277 volts. Sebco’s Class 1 magnetic transformer with a 277VAC primary connects straight to those circuits, in capacities from 100 to 1000 watts with 12 or 24 volt secondary.
How do I choose?
Size to the connected load plus headroom, then choose 12 or 24 volt secondary. Class 1 secondary wiring follows Class 1 methods; if the job calls for Class 2 wiring, see the Class 2 version.
Compare models
| Sebco part | Wattage | Voltage |
|---|---|---|
| 1104-12 | 100W | 12VAC |
| 1104-24 | 100W | 24VAC |
| 1105-12 | 300W | 12VAC |
| 1105-24 | 300W | 24VAC |
| 1106-12 | 500W | 12VAC |
| 1106-24 | 500W | 24VAC |
| 1131-12 | 750W | 12VAC |
| 1131-24 | 750W | 24VAC |
| 1132-12 | 1000W | 12VAC |
| 1132-24 | 1000W | 24VAC |
Specifications are published by Sebco Industries and are subject to change without notice. Choose an option above to see the full specification table for that part.
What else does this job need?
Set the tap and conductor size with the low voltage wire calculator, or browse all landscape transformers and LED drivers. Request a quote for pricing and lead time, or ask a lighting expert to check the selection. A photometric design layout confirms spacing and light levels before you order.
Specification sheets
- Sebco 100W 12VAC Class 1 Transformer Cut Sheet (PDF)
- Sebco 300W 12VAC Class 1 Transformer Cut Sheet (PDF)
- Sebco 500W 12VAC Class 1 Transformer Cut Sheet (PDF)
- Sebco 750W 12VAC Class 1 Transformer Cut Sheet (PDF)
- Sebco 1000W 12VAC Class 1 Transformer Cut Sheet (PDF)
Documents are hosted by LED Spot. Sebco Industries revises published literature without notice, so check with us before ordering to critical dimensions.


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