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| PartNumber | S821/328 | S821-RO | S821 |
| Description | Toggle Switches STD SIZE TOGGLE/LOW TO HIGH CAPACITY | Toggle Switches ON-NONE-OFF DPST | Toggle Switches ON-NONE-OFF DPST SCREW LUG |
| Manufacturer | NKK Switches | - | NKK Switches |
| Product Category | Toggle Switches | - | Toggle Switches |
| Illuminated | Non-Illuminated | - | - |
| Contact Form | DPST | - | DPST |
| Switch Function | ON - OFF | - | On-Off |
| Mounting Style | Panel Mount | - | Panel |
| Termination Style | Screw | - | Screw Terminal |
| Current Rating | 30 A | - | 30A (AC/DC) |
| Voltage Rating AC | 125 VAC | - | 125 V 250 V |
| Voltage Rating DC | 30 VDC | - | 30 VDC |
| Bushing Size | M12 | - | M12 |
| Actuator | Standard | - | Bat |
| Illumination | Non-Illuminated | - | Non-Illuminated |
| Mounting Type | Bushing | - | Panel Mount |
| Series | S | - | S |
| Brand | NKK Switches | - | - |
| Actuator Length | 22 mm | - | 22.00mm |
| Actuator Style | Round | - | - |
| Product Type | Toggle Switches | - | - |
| Subcategory | Switches | - | - |
| Packaging | - | - | Bulk |
| Part Aliases | - | - | S-821 |
| Features | - | - | - |
| Ingress Protection | - | - | - |
| Circuit | - | - | DPST |
| Actuator Type | - | - | Standard Round |
| Illumination Voltage Nominal | - | - | - |
| Panel Cutout Dimensions | - | - | Circular - 12.50mm Dia |
| Illumination Type Color | - | - | - |
| Bushing Thread | - | - | |
| Contact Plating | - | - | Nickel |
| Life | - | - | 25000 Cycles |
| Terminal Seal | - | - | Sealed |