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| PartNumber | 1TL1-21 | 1TL1-21E | 1TL1-2 |
| Description | Toggle Switches Toggle SW 1POLE 3POS SCRW TERM STD LVR | Toggle Switches SEALED OI | Toggle Switches SPST OFF-ON Screw Term |
| Manufacturer | Honeywell | Honeywell Sensing and Productivity Solutions | Honeywell Sensing and Productivity Solutions |
| Product Category | Toggle Switches | Toggle Switches | Toggle Switches |
| RoHS | Y | - | - |
| Illuminated | Non-Illuminated | - | - |
| Illumination Color | - | - | - |
| Lamp Type | - | - | - |
| Contact Form | SPST | - | SPST |
| Switch Function | ON - OFF - NONE | On-Off | On-Off |
| Mounting Style | Panel | - | Panel |
| Termination Style | Screw | Screw Terminal | Screw Terminal |
| Current Rating | 20 A | 15A (AC) | 15A (AC) |
| Voltage Rating AC | 277 VAC | 125V | 277 V |
| Voltage Rating DC | 250 VDC | - | 250 VDC |
| Bushing Size | 15/32-32 | - | 15/32-32 |
| Actuator | Paddle | - | Paddle |
| Terminal Seal | Sealed | - | Sealed |
| Contact Plating | Silver Cadmium Oxide | - | Silver Cadmium Oxide |
| Mounting Type | Bushing | Panel Mount | Panel Mount |
| Brand | Honeywell | - | - |
| Actuator Style | Paddle | - | - |
| Product Type | Toggle Switches | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Switches | - | - |
| Unit Weight | 1.119948 oz | - | - |
| Series | - | ||
| Packaging | - | Bulk | Bulk |
| Features | - | - | - |
| Ingress Protection | - | Environment Proof | Environment Proof |
| Circuit | - | SPST | SPST |
| Actuator Type | - | Locking Lever | Standard Round |
| Illumination | - | Non-Illuminated | Non-Illuminated |
| Illumination Voltage Nominal | - | - | - |
| Panel Cutout Dimensions | - | Circular - 12.40mm Dia | Circular - 12.40mm Dia |
| Illumination Type Color | - | - | - |
| Actuator Length | - | 26.67mm | 17.27mm |
| Bushing Thread | - | ||
| Part Aliases | - | - | MS24523-22 |