| PartNumber | 8551J81CQE12 | 8551MCQE2 | 8551J82ZQE22 |
| Description | Pushbutton Switches Pushbutton | Pushbutton Switches Pushbutton | Pushbutton Switches (ON) OFF SPDT 3A 120VAC 28VDC |
| 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 | - | - | - |
| Current Rating | 1 A | 3 A | 3 A |
| Voltage Rating AC | 125 VAC | 125 VAC | 125 VAC |
| Voltage Rating DC | 28 VDC | 28 VDC | 28 VDC |
| Series | 8500 | 8500 | 8500 |
| Brand | C&K | C&K | C&K |
| Product Type | Pushbutton Switches | Pushbutton Switches | Pushbutton Switches |
| Factory Pack Quantity | 80 | 80 | 80 |
| Subcategory | Switches | Switches | Switches |
| Product | - | Standard Switches | Standard Switches |
| Contact Form | - | SPST | SPST |
| Switch Function | - | OFF - (ON) | ON - (OFF) |
| Mounting Style | - | Through Hole | Panel |
| Termination Style | - | Solder Pin | Solder Lug |
| Contact Plating | - | Silver | Silver |
| Actuator | - | Round | Square |
| Cap Color | - | Black | Black |
| Features | - | Pushbutton Switches | Pushbutton Switches |
| Height | - | 22.21 mm | 22.21 mm |
| Terminal Seal | - | Epoxy | Epoxy |
| Flammability Rating | - | UL 94 V-0 | UL 94 V-0 |
| Actuator Style | - | Round | - |
| Mounting Type | - | - | Snap In |