501C 规格参数
| Mounting Facility Quantity | 8 single group |
| Thread Direction (Non-Core) | right-hand single group |
| Thread Series Designator | unc single group |
| Thread Quantity Per Inch | 20 single group |
| Inclosure Type | partially inclosed, half shell |
| Terminal Type And Quantity | 3 tab, solder lug |
| Nominal Thread Size | 0.250 inches single group |
| Mounting Method | threaded hole single group |
| Winding Operating Voltage | 120.00 ac pounds per hour wet single component single primary input |
| Frequency Rating | 50.0 hertz nominal single component |
| Thread Class (Non-Core) | 2b single group |