| PartNumber | C4V-811M-D | C4V-821A | C4V-821M |
| Description | Pushbutton Switches Mini Power, SPST Momentary Action | Pushbutton Switches Mini Power, DPST Alternate Action | Pushbutton Switches Mini Power, DPST Alternate Action |
| Manufacturer | Omron | Omron | Omron |
| Product Category | Pushbutton Switches | Pushbutton Switches | Pushbutton Switches |
| RoHS | Y | Y | Y |
| Illuminated | Non-Illuminated | Non-Illuminated | Non-Illuminated |
| Lamp Type | - | - | - |
| Contact Form | SPST | DPST | DPST |
| Switch Function | ON - (OFF) | ON - (OFF) | ON - (OFF) |
| Current Rating | 8 A | 8 A | 8 A |
| Voltage Rating AC | 250 VAC | 250 VAC | 250 VAC |
| Mounting Style | Panel | Panel | Panel |
| Actuator | Square | Square | Square |
| Series | C4V | C4V | C4V |
| Height | 24 mm | 24 mm | 24 mm |
| Length | 19 mm | 19 mm | 19 mm |
| Width | 13 mm | 13 mm | 13 mm |
| Brand | Omron Electronics | Omron Electronics | Omron Electronics |
| Life | 10000 Cycles | 10000 Cycles | 10000 Cycles |
| Product Type | Pushbutton Switches | Pushbutton Switches | Pushbutton Switches |
| Factory Pack Quantity | 100 | 100 | 100 |
| Subcategory | Switches | Switches | Switches |
| Part # Aliases | C4V811MD | C4V821A | C4V821M |