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| PartNumber | SB221NC/C | SB221NC | SB221NC-RO |
| Description | Pushbutton Switches SPST ON(OFF) SOLDER LUG 3A WITH CSA MARK | Pushbutton Switches STD PUSHBUTTON | Pushbutton Switches STD PUSHBUTTON |
| Manufacturer | NKK Switches | NKK Switches | - |
| Product Category | Pushbutton Switches | Pushbutton Switches | - |
| RoHS | Y | Y | - |
| Illuminated | Non-Illuminated | Non-Illuminated | - |
| Lamp Type | - | - | - |
| Contact Form | SPST | SPST | - |
| Switch Function | ON - (OFF) | ON - (OFF) | - |
| Current Rating | 3 A | 3 A | - |
| Voltage Rating AC | 125 VAC | 125 VAC | - |
| Mounting Style | Panel Mount | Panel Mount | - |
| Termination Style | Solder Lug | Solder Lug | - |
| Contact Plating | Silver | Silver | - |
| Actuator | Round | Round | - |
| Cap Color | Black | Black | - |
| Series | SB | SB | - |
| Features | Button/cap ordered separately | Button/cap ordered separately | - |
| Housing Material | Phenolic Resin | Phenolic Resin | - |
| Illumination | Non-Illuminated | Non-Illuminated | - |
| Terminal Seal | Epoxy | Epoxy | - |
| Brand | NKK Switches | NKK Switches | - |
| Actuator Style | Without Cap | Without Cap | - |
| Life | 10000 Cycles | 10000 Cycles | - |
| Product Type | Pushbutton Switches | Pushbutton Switches | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Switches | Switches | - |
| Part # Aliases | - | SB-221N/C | - |
| Unit Weight | - | 1.022098 oz | - |