| PartNumber | D4DS-K3 | D4DS-K2 | D4DS-K1 |
| Description | Switch Hardware ADJ HORIZONTAL KEY | Switch Hardware VERTICAL KEY | Switch Hardware HORIZONTAL KEY |
| Manufacturer | Omron | Omron | Omron Automation and Safety |
| Product Category | Switch Hardware | Switch Hardware | Accessories |
| RoHS | Y | Y | - |
| Product | Hardware | Hardware | Hardware |
| Type | Key | Key | Key |
| For Use With | Safety Door Switches | Safety Door Switches | Safety Door Switches |
| Designed for | D4DS Series | D4DS Series | D4DS Series |
| Color | Black | - | - |
| Illumination | None | None | None |
| Series | D4DS | D4DS | D4DS |
| Brand | Omron Automation and Safety | Omron Automation and Safety | - |
| Product Type | Switch Hardware | Switch Hardware | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Switch Accessories | Switch Accessories | - |
| Part # Aliases | 326392 366912 D4DSK3 | 326379 366911 D4DSK2 | - |
| Packaging | - | - | Bulk |
| Part Aliases | - | - | 326367 366910 |