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| PartNumber | SB221NO | SB221NO-DC | SB221NO-RO |
| Description | Pushbutton Switches SPST SOLDER LUG | Pushbutton Switches SPST OFF(ON) SOLDER LUG 3A .520 RED CAP | Pushbutton Switches SPST |
| Manufacturer | NKK Switches | - | - |
| Product Category | Pushbutton Switches | - | - |
| RoHS | Y | - | - |
| Illuminated | Non-Illuminated | - | - |
| Lamp Type | - | - | - |
| Contact Form | SPST | - | - |
| Switch Function | OFF - (ON) | - | - |
| Current Rating | 3 A | - | - |
| Voltage Rating AC | 125 VAC | - | - |
| Mounting Style | Panel Mount | - | - |
| Termination Style | Solder Lug | - | - |
| Contact Plating | Silver | - | - |
| Actuator | Round | - | - |
| Cap Color | Black | - | - |
| Series | SB | - | - |
| Features | Button/cap ordered separately | - | - |
| Housing Material | Phenolic Resin | - | - |
| Illumination | Non-Illuminated | - | - |
| Terminal Seal | Epoxy | - | - |
| Brand | NKK Switches | - | - |
| Actuator Style | Without Cap | - | - |
| Life | 10000 Cycles | - | - |
| Product Type | Pushbutton Switches | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Switches | - | - |
| Part # Aliases | SB-221N/O | - | - |
| Unit Weight | 0.844811 oz | - | - |