Power Output Power Output |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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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
More
Enclosed Isolating AC to AC Transformers
Single Phase with Plug and Socket
Single Phase
Three Phase
These transformers have isolated primary and secondary coils to protect your sensitive equipment from input voltage spikes.
Three phase transformers have Wye wiring for output voltage.
Sealed coils and cores prevent corrosion and insulation damage.
When wired as constant voltage transformers, they filter out voltage spikes and electrical noise.
Transformers that cannot be sold to California are restricted by local energy efficiency regulations.
Single Phase—Plug Input and Socket Output
NEMA 5-15 Plug
NEMA 5-15 Socket
NEMA 6-15 Plug
Voltage | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Input | Output | Power Output, VA | Input Plug Type (NEMA Style) | Output Socket Type (NEMA Style) | Ht. | Wd. | Dp. | Features | Each | |
Constant Voltage | ||||||||||
| 115V AC | 115V AC | 150 | Three Prong (5-15) | Three Slot (5-15) | 3.9" | 3.1" | 4.2" | Isolated Coils | 00000000 | 0000000 |
| 115V AC | 115V AC | 250 | Three Prong (5-15) | Three Slot (5-15) | 4.7" | 3.8" | 4.4" | Isolated Coils | 00000000 | 000000 |
| 115V AC | 115V AC | 500 | Three Prong (5-15) | Three Slot (5-15) | 4.7" | 3.8" | 6" | Isolated Coils | 00000000 | 000000 |
| 115V AC | 115V AC | 1,000 | Three Prong (5-15) | Three Slot (5-15) | 5.4" | 4.4" | 8.1" | Isolated Coils | 00000000 | 000000 |
Step Down Voltage | ||||||||||
| 230V AC | 115V AC | 100 | Three Prong (6-15) | Three Slot (5-15) | 3 1/2" | 2.8" | 3.6" | Isolated Coils | 00000000 | 000000 |
| 230V AC | 115V AC | 250 | Three Prong (6-15) | Three Slot (5-15) | 4.7" | 3.8" | 4.4" | Isolated Coils | 00000000 | 000000 |
| 230V AC | 115V AC | 500 | Three Prong (6-15) | Three Slot (5-15) | 4.7" | 3.8" | 6" | Isolated Coils | 00000000 | 000000 |
| 230V AC | 115V AC | 1,000 | Three Prong (6-15) | Three Slot (5-15) | 5.4" | 4.4" | 8.1" | Isolated Coils | 00000000 | 000000 |
Single Phase—Wire Leads Input and Output
Voltage | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Input | Output | Power Output, VA | Ht. | Wd. | Dp. | Features | Environment | Environmental Rating | Specifications Met | Each | |
Step Up/Step Down/Constant Voltage | |||||||||||
| 120V AC, 240V AC | 120V AC, 240V AC | 1,000 | 10 1/2" | 5 1/2" | 5.1" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, C-UL Listed | 0000000 | 0000000 |
| 120V AC, 240V AC | 120V AC, 240V AC | 2,000 | 13" | 5 1/2" | 5.1" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, C-UL Listed | 0000000 | 000000 |
| 120V AC, 240V AC | 120V AC, 240V AC | 3,000 | 11 1/2" | 10.3" | 7.1" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, C-UL Listed | 0000000 | 000000 |
| 120V AC, 240V AC | 120V AC, 240V AC | 5,000 | 14.4" | 10.3" | 7.1" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, C-UL Listed | 0000000 | 000000 |
Step Down/Constant Voltage | |||||||||||
| 240V AC, 480V AC | 120V AC, 240V AC | 750 | 11.3" | 5.3" | 6 1/2" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, C-UL Listed | 0000000 | 000000 |
| 240V AC, 480V AC | 120V AC, 240V AC | 1,000 | 11.3" | 5.3" | 6 1/2" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, C-UL Listed | 0000000 | 000000 |
| 240V AC, 480V AC | 120V AC, 240V AC | 1,500 | 13.3" | 6.3" | 7.8" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, C-UL Listed | 0000000 | 000000 |
| 240V AC, 480V AC | 120V AC, 240V AC | 3,000 | 13.3" | 6.3" | 7.8" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, C-UL Listed | 0000000 | 000000 |
| 240V AC, 480V AC | 120V AC, 240V AC | 5,000 | 15" | 10.2" | 10.6" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, C-UL Listed | 0000000 | 000000 |
| 240V AC, 480V AC | 120V AC, 240V AC | 7,500 | 15.2" | 13 1/2" | 10.8" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, CSA Certified | 0000000 | 000000 |
| 240V AC, 480V AC | 120V AC, 240V AC | 10,000 | 15.2" | 13 1/2" | 10.8" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, CSA Certified | 0000000 | 00000000 |
| 240V AC, 480V AC | 120V AC, 240V AC | 15,000 | 16.9" | 14.1" | 11.6" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, CSA Certified | 0000000 | 00000000 |
| 240V AC, 480V AC | 120V AC, 240V AC | 25,000 | 18.4" | 16.1" | 13.3" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, CSA Certified | 0000000 | 00000000 |
Three Phase—Wire Leads Input and Output
Voltage | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Input | Output | Power Output, VA | Ht. | Wd. | Dp. | Features | Environment | Environmental Rating | Specifications Met | Each | |
Step Down Voltage | |||||||||||
| 480V AC | 120V AC, 208V AC | 3,000 | 10.4" | 12.4" | 7 1/2" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, CSA Certified | 0000000 | 0000000 |
| 480V AC | 120V AC, 208V AC | 6,000 | 11.8" | 14.2" | 8.8" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, CSA Certified | 0000000 | 00000000 |
| 480V AC | 120V AC, 208V AC | 9,000 | 14" | 17.8" | 11 1/2" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, CSA Certified | 0000000 | 00000000 |
| 480V AC | 120V AC, 208V AC | 15,000 | 18.9" | 20.3" | 9" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, CSA Certified | 0000000 | 00000000 |
Three Phase—Bus Bar Input and Output
Voltage | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Input | Output | Power Output, VA | Ht. | Wd. | Dp. | Features | Environment | Environmental Rating | Specifications Met | Cannot Be Sold To | Each | |
Step Down Voltage | ||||||||||||
| 480V AC | 120V AC, 208V AC | 30,000 | 25 1/2" | 24.4" | 19.4" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, CSA Certified | CA | 0000000 | 000000000 |
| 480V AC | 120V AC, 208V AC | 45,000 | 25 1/2" | 24.4" | 19.4" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, CSA Certified | CA | 0000000 | 00000000 |
| 480V AC | 120V AC, 208V AC | 75,000 | 29.4" | 28.2" | 22.4" | Isolated Coils, Sealed Coils, Sealed Cores | Outdoor | NEMA 3R | UL Listed, CSA Certified | CA | 0000000 | 00000000 |
Enclosed Voltage-Stabilizing AC to AC Transformers
Protect sensitive equipment from electromagnetic interference and maintain power during three-millisecond power dips. These transformers also isolate output and input voltage (output regulation is ±3% with input voltage fluctuations from +10% to -20%). When wired for constant voltage, transformers filter out voltage spikes and electrical noise.
Voltage | ||||||||
|---|---|---|---|---|---|---|---|---|
| Input | Output | Power Output, VA | Ht. | Wd. | Dp. | Specifications Met | Each | |
Single Phase—Screw Terminals Input and Output | ||||||||
Step Up/Step Down/Constant Voltage | ||||||||
| 120V AC, 208V AC, 240V AC, 480V AC | 120V AC, 208V AC, 240V AC | 140 | 4.4" | 6" | 8 1/2" | UL Listed, CSA Certified | 0000000 | 0000000 |
| 120V AC, 208V AC, 240V AC, 480V AC | 120V AC, 208V AC, 240V AC | 250 | 4.4" | 6" | 9.7" | UL Listed, CSA Certified | 0000000 | 000000 |
| 120V AC, 208V AC, 240V AC, 480V AC | 120V AC, 208V AC, 240V AC | 500 | 6 1/2" | 6.3" | 12.3" | UL Listed, CSA Certified | 0000000 | 000000 |
| 120V AC, 208V AC, 240V AC, 480V AC | 120V AC, 208V AC, 240V AC | 750 | 6 1/2" | 6.3" | 13.3" | UL Listed, CSA Certified | 0000000 | 00000000 |
| 120V AC, 208V AC, 240V AC, 480V AC | 120V AC, 208V AC, 240V AC | 1,000 | 6 1/2" | 6.3" | 14.2" | UL Listed, CSA Certified | 0000000 | 00000000 |
| 120V AC, 208V AC, 240V AC, 480V AC | 120V AC, 208V AC, 240V AC | 1,500 | 9.9" | 9.4" | 17.6" | UL Listed, CSA Certified | 0000000 | 00000000 |
| 120V AC, 208V AC, 240V AC, 480V AC | 120V AC, 208V AC, 240V AC | 3,000 | 9.9" | 9.4" | 19.9" | UL Listed, CSA Certified | 0000000 | 00000000 |