Safety Limit Switch
D4B-[]N
Robust safety limit switch with metal housing Slow-action and snap-action contact with certified direct opening operation certification.
Set Model Numbers
Consult with your OMRON representative when ordering any models that are not listed in this table.
Safety Limit Switches (with Direct Opening Mechanism)
Actuator |
Conduit |
1NC/1NO (Snap-action) |
1NC/1NO (Slow-action) |
2NC (Slow-action) |
||||
Model |
Direct |
Model |
Direct |
Model |
Direct |
|||
Roller lever |
|
G1/2 (PF1/2) |
D4B-2111N |
|
D4B-2511N |
|
D4B-2A11N |
|
M20 |
D4B-4111N |
D4B-4511N |
D4B-4A11N |
|||||
Roller lever |
|
G1/2 (PF1/2) |
D4B-2115N |
|
D4B-2515N |
|
D4B-2A15N |
|
M20 |
D4B-4115N |
D4B-4515N |
D4B-4A15N |
|||||
Plunger |
|
G1/2 (PF1/2) |
D4B-2170N |
|
D4B-2570N |
|
D4B-2A70N |
|
M20 |
D4B-4170N |
D4B-4570N |
D4B-4A70N |
|||||
Roller plunger |
|
G1/2 (PF1/2) |
D4B-2171N |
|
D4B-2571N |
|
D4B-2A71N |
|
M20 |
D4B-4171N |
D4B-4571N |
D4B-4A71N |
General-purpose Limit Switches
Actuator |
Conduit |
1NC/1NO (Snap-action) |
1NC/1NO (Slow-action) |
2NC (Slow-action) |
||||
Model |
Direct |
Model |
Direct |
Model |
Direct |
|||
Adjustable |
|
G1/2 (PF1/2) |
D4B-2116N |
--- |
D4B-2516N |
--- |
D4B-2A16N |
--- |
M20 |
D4B-4116N |
D4B-4516N |
D4B-4A16N |
|||||
Adjustable |
|
G1/2 (PF1/2) |
D4B-2117N |
--- |
D4B-2517N |
--- |
D4B-2A17N |
--- |
M20 |
D4B-4117N |
D4B-4517N |
D4B-4A17N |
Note: Consult your OMRON representative for products.