| PartNumber | U821J84ZGE22 | U821SD3V3GE | U821MHZGE |
| Description | Pushbutton Switches Pushbutton | Pushbutton Switches Pushbutton | Pushbutton Switches MOMENTARY |
| Manufacturer | C&K Switches | C&K Switches | C&K Switches |
| Product Category | Pushbutton Switches | Pushbutton Switches | Pushbutton Switches |
| RoHS | Y | Y | Y |
| Illuminated | Non-Illuminated | Non-Illuminated | Non-Illuminated |
| Lamp Type | - | - | - |
| Series | 8020 | 8020 | 8020 |
| Brand | C&K | C&K | C&K |
| Product Type | Pushbutton Switches | Pushbutton Switches | Pushbutton Switches |
| Factory Pack Quantity | 54 | 40 | 1 |
| Subcategory | Switches | Switches | Switches |
| Actuator | - | Without Cap | Without Cap |
| Features | - | Button/cap ordered separately | Button/cap ordered separately |
| Actuator Style | - | Without Cap | Without Cap |
| Current Rating | - | - | 1 A |
| Voltage Rating AC | - | - | 125 VAC |
| Voltage Rating DC | - | - | 28 VDC |
| Power Rating | - | - | 400 mVA |