| PartNumber | WT21S | WT21L | WT21T |
| Description | Toggle Switches ON None OFF DPST Solder Lug Pnel Mnt | Toggle Switches DPDT ON-NONE-OFF Wire Lead Panel Mnt | Toggle Switches ON None OFF DPST Screw Lug Panel Mnt |
| Manufacturer | NKK Switches | NKK Switches | NKK Switches |
| Product Category | Toggle Switches | Toggle Switches | Toggle Switches |
| RoHS | Y | - | - |
| Illuminated | Non-Illuminated | - | - |
| Illumination Color | - | - | - |
| Lamp Type | - | - | - |
| Contact Form | DPST | - | - |
| Switch Function | ON - OFF | On-Off | On-Off |
| Mounting Style | Panel Mount | - | - |
| Termination Style | Solder Lug | Wire Leads | Screw Terminal |
| Current Rating | 10 A | 10A (AC/DC) | 10A (AC/DC) |
| Voltage Rating AC | 125 VAC | 125V | 125V |
| Voltage Rating DC | 30 VDC | 30V | 30V |
| Bushing Size | M12 | - | - |
| Actuator | Standard | - | - |
| Terminal Seal | Sealed | - | - |
| Contact Plating | Tin | - | - |
| IP Rating | IP67 | - | - |
| Housing Material | Polyamide, Glass Fiber Reinforced | - | - |
| Illumination | Non-Illuminated | Non-Illuminated | Non-Illuminated |
| Mounting Angle | Vertical | - | - |
| Series | WT | ||
| Type | Environmentally Sealed Toggles | - | - |
| Brand | NKK Switches | - | - |
| Contact Material | Copper | - | - |
| Flammability Rating | UL 94 V-0 | - | - |
| Actuator Style | Bat | - | - |
| Life | 15000 Cycles | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Minimum Operating Temperature | - 30 C | - | - |
| Product Type | Toggle Switches | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Switches | - | - |
| Part # Aliases | WT-21AS | - | - |
| Unit Weight | 1.152012 oz | - | - |
| Packaging | - | Bulk | Bulk |
| Mounting Type | - | Panel Mount | Panel Mount |
| Features | - | Epoxy Sealed Terminals | Epoxy Sealed Terminals |
| Ingress Protection | - | IP67 - Dust Tight, Waterproof | IP67 - Dust Tight, Waterproof |
| Circuit | - | DPST | DPST |
| Actuator Type | - | Standard Round | Standard Round |
| Illumination Voltage Nominal | - | - | - |
| Panel Cutout Dimensions | - | Circular - 12.50mm Dia | Circular - 12.50mm Dia |
| Illumination Type Color | - | - | - |
| Actuator Length | - | 17.50mm | 17.50mm |
| Bushing Thread | - |