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About AC to AC Voltage Transformers
For single-phase equipment, use this formula to find power output: VA = Volts × Amps
For three-phase equipment, use this formula to find power output: VA = Volts × Amps × 1.73
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Low-Current AC to AC Transformers
NEMA 1-15 Plug Input
NEMA 5-15 Plug Input
NEMA 1-15 Plug
NEMA 5-15 Plug
Power low-voltage devices such as alarms and sensors.
Voltage | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Input | Output | Power Output, VA | Input Plug Type (NEMA Style) | Ht. | Wd. | Dp. | Features | Specifications Met | Each | |
Single Phase—Plug Input and Screw Terminals Output | ||||||||||
Step Down Voltage | ||||||||||
| 120V AC | 16V AC | 20 | Two Prong (1-15) | 3.1" | 2.1" | 1.9" | __ | UL Listed | 0000000 | 000000 |
| 120V AC | 16V AC | 40 | Three Prong (5-15) | 3.6" | 2.6" | 2.1" | Auto Reset, Power-Indicating Light | UL Listed | 0000000 | 00000 |
Low-Current Panel-Mount AC to AC Transformers
Hardwire this transformer into your panel. Use it to power low-voltage devices such as alarms and sensors. It cannot be sold to California due to local energy efficiency requirements.
| Input Voltage | Output Voltage (Power Output, VA) | Ht. | Wd. | Dp. | Cannot Be Sold To | Each | |
Single Phase—Wire Leads Input and Screw Terminals Output | |||||||
|---|---|---|---|---|---|---|---|
Step Down Voltage | |||||||
| 120V AC | 8V AC (20), 16V AC (30), 24V AC (30) | 2.2" | 2.3" | 2.9" | CA | 0000000 | 000000 |