Industrial Automation

D4B-[]N

Safety Limit Switch

D4B-[]N

Robust safety limit switch with metal housing Slow-action and snap-action contact with certified direct opening operation certification.

last update: August 8, 2016

Consult with your OMRON representative when ordering any models that are not listed in this table.

Actuator	Conduit openings	1NC/1NO (Snap-action)		1NC/1NO (Slow-action)		2NC (Slow-action)
Actuator	Conduit openings	Model	Direct opening	Model	Direct opening	Model	Direct opening
Roller lever (resin roller)	G1/2 (PF1/2)	D4B-2111N		D4B-2511N		D4B-2A11N
Roller lever (resin roller)	M20	D4B-4111N		D4B-4511N		D4B-4A11N
Roller lever (stainless steel roller)	G1/2 (PF1/2)	D4B-2115N		D4B-2515N		D4B-2A15N
Roller lever (stainless steel roller)	M20	D4B-4115N		D4B-4515N		D4B-4A15N
Plunger	G1/2 (PF1/2)	D4B-2170N		D4B-2570N		D4B-2A70N
Plunger	M20	D4B-4170N		D4B-4570N		D4B-4A70N
Roller plunger	G1/2 (PF1/2)	D4B-2171N		D4B-2571N		D4B-2A71N
Roller plunger	M20	D4B-4171N		D4B-4571N		D4B-4A71N

Actuator	Conduit openings	1NC/1NO (Snap-action)		1NC/1NO (Slow-action)		2NC (Slow-action)
Actuator	Conduit openings	Model	Direct opening	Model	Direct opening	Model	Direct opening
Adjustable roller lever	G1/2 (PF1/2)	D4B-2116N	---	D4B-2516N	---	D4B-2A16N	---
Adjustable roller lever	M20	D4B-4116N	---	D4B-4516N	---	D4B-4A16N	---
Adjustable rod lever	G1/2 (PF1/2)	D4B-2117N	---	D4B-2517N	---	D4B-2A17N	---
Adjustable rod lever	M20	D4B-4117N	---	D4B-4517N	---	D4B-4A17N	---

Note: Consult your OMRON representative for products.

last update: August 8, 2016