Pull-reset Safety Limit Switch

D4N-[]R

A Series of Pull-reset Models Now Available

Safety Limit Switches (with Direct Opening Mechanism)

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

Actuator

Conduit size

Built-in switch mechanism

1NC/1NO
 (Slow-action)

2NC
 (Slow-action)

2NC/1NO
 (Slow-action)

3NC
 (Slow-action)

Model

Model

Model

Model

Roller lever
 (resin lever, resin roller)
 
 image

1-conduit

Pg13.5

D4N-1A20R

D4N-1B20R

D4N-1C20R

---

G1/2

D4N-2A20R

D4N-2B20R

D4N-2C20R

---

M20

D4N-4A20R

D4N-4B20R

D4N-4C20R

D4N-4D20R

M12 connector

D4N-9A20R

D4N-9B20R

---

---

2-conduit

G1/2

D4N-6A20R

D4N-6B20R

---

---

M20

---

D4N-8B20R

D4N-8C20R

---

Adjustable roller lever,
 form lock
 (metal lever, resin roller)
 
image

1-conduit

Pg13.5

D4N-1A2GR

D4N-1B2GR

D4N-1C2GR

D4N-1D2GR

G1/2

D4N-2A2GR

D4N-2B2GR

D4N-2C2GR

D4N-2D2GR

M20

D4N-4A2GR

D4N-4B2GR

D4N-4C2GR

---

M12 connector

D4N-9A2GR

D4N-9B2GR

---

---

2-conduit

G1/2

D4N-6A2GR

D4N-6B2GR

---

---

M20

D4N-8A2GR

D4N-8B2GR

---

---

Adjustable roller lever,
 form lock
 (metal lever, rubber roller)
 
image

1-conduit

Pg13.5

D4N-1A2HR

---

---

---

G1/2

D4N-2A2HR

D4N-2B2HR

D4N-2C2HR

D4N-2D2HR

M20

D4N-4A2HR

D4N-4B2HR

D4N-4C2HR

---

M12 connector

D4N-9A2HR

---

---

---

2-conduit

G1/2

D4N-6A2HR

---

---

---

M20

---

---

D4N-8C2HR

D4N-8D2HR

Plunger
 
image

1-conduit

Pg13.5

D4N-1A31R

D4N-1B31R

D4N-1C31R

---

G1/2

D4N-2A31R

D4N-2B31R

D4N-2C31R

D4N-2D31R

M20

D4N-4A31R

D4N-4B31R

D4N-4C31R

---

M12 connector

D4N-9A31R

D4N-9B31R

---

---

2-conduit

G1/2

D4N-6A31R

D4N-6B31R

---

---

M20

D4N-8A31R

---

D4N-8C31R

---

Roller plunger
 
image

1-conduit

Pg13.5

D4N-1A32R

D4N-1B32R

---

D4N-1D32R

G1/2

D4N-2A32R

D4N-2B32R

D4N-2C32R

---

M20

D4N-4A32R

D4N-4B32R

D4N-4C32R

D4N-4D32R

M12 connector

D4N-9A32R

D4N-9B32R

---

---

2-conduit

G1/2

D4N-6A32R

D4N-6B32R

D4N-6C32R

---

M20

D4N-8A32R

D4N-8B32R

D4N-8C32R

---

One-way roller arm lever
 (horizontal)
 
image

1-conduit

Pg13.5

D4N-1A62R

D4N-1B62R

D4N-1C62R

D4N-1D62R

G1/2

D4N-2A62R

D4N-2B62R

---

---

M20

D4N-4A62R

D4N-4B62R

D4N-4C62R

D4N-4D62R

M12 connector

D4N-9A62R

D4N-9B62R

---

---

2-conduit

G1/2

D4N-6A62R

D4N-6B62R

D4N-6C62R

D4N-6D62R

M20

D4N-8A62R

---

---

---

One-way roller arm lever
 (vertical)
 
image

1-conduit

Pg13.5

D4N-1A72R

D4N-1B72R

---

---

G1/2

D4N-2A72R

D4N-2B72R

---

---

M20

D4N-4A72R

---

D4N-4C72R

---

2-conduit

G1/2

D4N-6A72R

D4N-6B72R

---

---

M20

D4N-8A72R

---

---

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