GlobalNote: The recommended models for equipment and machinery being exported to Europe are those with an M20 conduit outlet, and for North America, the recommended models are those with a 1/2-14NPT conduit outlet.
D4BS
Safety-door Switch
The Special Operation Key Activates a Direct Opening Mechanism to Open the Contacts and Shut Off Control Circuits when Protective Doors Are Opened on Machine Tools or Other Equipment
Related Contents
- Safety Door Switches
- Features
- Lineup
- Specifications
- Dimensions
- Catalog
last update: December 2, 2024
Model Number Structure
Model Number Legend
Ordering Information
Switches (Operation Keys are sold separately.)
Consult with your OMRON representative when ordering any models that are not listed in this table.
| Type | Mounting direction | Conduit outlet | 1NC/1NO (Slow-action) | 2NC (Slow-action) | |
|---|---|---|---|---|---|
| 1-conduit type | Front-side mounting |  |
Pg13.5 | D4BS-15FS | D4BS-1AFS |
| G1/2 | D4BS-25FS | D4BS-2AFS | |||
| M20 | D4BS-45FS | D4BS-4AFS | |||
| 1/2-14NPT | D4BS-45FS-NPT | D4BS-4AFS-NPT | |||
Operation Keys
| Type | Model | |
|---|---|---|
| Horizontal mounting |  |
D4BS-K1 |
| Vertical mounting |  |
D4BS-K2 |
| Adjustable mounting (Horizontal) |  |
D4BS-K3 |
last update: December 2, 2024
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