221-B 规格参数
| Winding Power Rating | 270.0 volts-amperes single component single secondary |
| Inclosure Type | fully inclosed |
| Overall Diameter | 3.156 inches nominal |
| Overall Length | 3.000 inches nominal |
| Input-Output Phase Relationship | single phase to single phase single component |
| Terminal Type And Quantity | 4 tab, solder lug |
| Winding Operating Current | 2.25 amperes ac maximum single component single secondary |
| Mounting Method | terminal single group |
| Winding Operating Voltage | 120.00 ac volts nominal single component single primary |
| Winding Function And Quantity | 1 primary single component and 1 secondary single component |
| Frequency Rating | 50.0 hertz nominal single component or 60.0 hertz nominal single component |