| PartNumber | D3V-21G2-1C4A | D3V-21G2M-1C4A | D3V-21G2-1C4A-K |
| Description | Basic / Snap Action Switches MINIATURE | Basic / Snap Action Switches MINIATURE BASIC SWITCH | Basic / Snap Action Switches Miniature |
| Manufacturer | Omron | Omron | Omron |
| Product Category | Basic / Snap Action Switches | Basic / Snap Action Switches | Basic / Snap Action Switches |
| Illumination Color | - | - | - |
| Series | D3V | D3V | D3V |
| Brand | Omron Electronics | Omron Electronics | Omron Electronics |
| Illuminated | Non-Illuminated | Non-Illuminated | Non-Illuminated |
| Lamp Type | - | - | - |
| Mounting Style | Chassis Mount | Chassis Mount | Chassis Mount |
| Product Type | Snap Action Switches | Snap Action Switches | Snap Action Switches |
| Factory Pack Quantity | 100 | 100 | 100 |
| Subcategory | Switches | Switches | Switches |
| Part # Aliases | D3V21G21C4A | 646810 D3V21G2M1C4A | D3V21G21C4AK |
| Unit Weight | 0.218699 oz | 0.218699 oz | 0.218699 oz |
| RoHS | - | Y | N |
| Type | - | Basic | - |
| Contact Form | - | SPDT | SPDT |
| Switch Function | - | ON - (OFF), OFF - (ON) | ON - (OFF), OFF - (ON) |
| Actuator | - | Lever | Lever |
| Current Rating | - | 20 A | 21 A |
| Voltage Rating AC | - | 250 VAC | 250 VAC |
| Operating Force | - | 125 gf | 1.2 N |
| Termination Style | - | Quick Connect | Quick Connect |
| IP Rating | - | IP40 | - |
| Actuator Style | - | Lever | Lever |
| Maximum Operating Temperature | - | + 85 C | - |
| Minimum Operating Temperature | - | - 25 C | - |
| Voltage Rating DC | - | - | 8 VDC |