| Application |
| Power Rating/Size (kVA) |
1, 1.5, 2, 3, 5, 7.5, 10, 15 Larger sizes available |
| Phase - Frequency (Hz) |
Single phase - 50 or 60 Hz |
| Voltages |
120, 208, 220, 240, 380, 400, 440, 480, 600 typical Custom voltages available |
For voltage step up or step down contact factory |
| Cable Entry - Connections |
Side, bottom or top – hardwired to terminal blocks |
| Regulation |
| Standard Regulation |
+10%/-25% input voltage with output voltage regulated to ±3% |
| Optional Regulation |
±10% input voltage with output voltage regulated to ±2% |
| Regulation Variation |
None - constant for 0 to 100% load and any load power factor |
| Operating Characteristics |
| Overload/Inrush Capability |
6000% - 1 cycle, 1000% - 1 second, 500% - 5 seconds, 200% - 1 min.; 1000% fault clearing |
| Minimum Load |
No minimum load |
| Load Power Factor |
No limitations, compatible with all load types |
| Tap Switching |
No load current interruption or waveform distortion on switching |
| Zero Crossing Sensitivity |
Tap switching independent of load current zero crossing |
| Harmonic Distortion |
No distortion added at any load or power factor |
| Response Time |
1 cycle typical regardless of load or load power factor |
| Efficiency |
99% |
| Operating Frequency |
±3% of nominal frequency |
| Unit/Load Protection |
| Surge Suppression |
Tested to ANSI/IEEE standard C62.41 |
| Failsafe Electronic Bypass |
Actuates on hi-temperature, over-current, component failure without loss of load |
| Construction |
| Technology |
Electronically-controlled tap switching series transformer design |
| Switching Semiconductors |
SCRs are not required to carry full unit current – non-full power semiconductors |
| Controls |
Microprocessor-based controls |
| Cooling |
Natural convection, no cooling fans used |
| Autotransformer |
Meets ANSI specs |
| Enclosure |
NEMA 1 standard |
| Environmental Requirements |
| Audible Sound Level |
Meets NEMA standards |
| Temperature - Humidity |
Ambient 32 to 104°F (0 to 40°C) – Relative humidity 0-95% non-condensing |
| Operating Altitude |
0 to 10,000 ft (3000m) |
| Common Options |
| Split Phase Output |
220/110v, 240/120v output |
| Enclosures |
NEMA 12, 3R, 4X or others |
| Listings |
Contact factory for specifics |
