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Three phase Autotransformer RC3B-C has common primary-secondary windings which are not insulated from each other, offers no interference or disturbance isolation between primary and secondary circuits. It is an economical solution but is not suitable for sensitive equipment with electronic and servo components but perfectly suitable for simple motor/heater single or balanced applications. NOTE: standard 3 phase autotransformer comes without neutral lead, but if you need, please request the neutral lead from "Optional Features" tab.
Preliminary General Drawing. (Dimension, inch).
*All information and images presented here is based on preliminary data or design and may be changed without prior notice.
Request Drawing Proof to confirm dimensions from Optional Feature tab, if it is critical.
Autotransformer RC3B-C Winding Schematics:
Full Specification
| Catalog No. | RC3B-C |
|---|---|
| Product Type | Autotransformer |
| Phase | Three |
| Power Rating | 3 kVA |
| Frequency, Hz | 60 |
| Vector Group | Wye(Y0) |
| Primary voltage | 208 Volt |
| Primary Max Current, Amps | 8.3A |
| Primary Terminals | H1-H2-H3 |
| Secondary Voltage | 240 Volt |
| Secondary Max Current, Amps | 7.2A |
| Secondary Terminals | X1-X2-X3 |
| Winding Conductor | Copper |
| Temperature Rise, °C | 115 |
| Insulation Class | 180 (H) |
| Insulation Level, (B.I.L), kVA | 10 |
| Efficiency at 35% Load, % | 91.79 |
| ANSI/IEEE Impedance, % | 1.5-2.5 |
| Sound Level, dB | 40 |
| Standards, Certifications, Compliances: | CSA Standard C22.2. No.47 Air Cooled Transformers (Dry Type)., CSA certified. File No. LR34493 UL Listed. File No.E108255., ISO9001 Quality Certification. |
| Enclosure Type | Nema 1. General purpose indoor ventilated steel enclosure suitable for dry locations (IP10). FINISH - Polyester powder coat |
| Weight, Lbs | 50.0 |
| Country of Manufacture | Canada |
