G-223
D4N
D4
N
General-purpose Switches with Two Contacts
Note: 1.
It is recommended that M20 be used for Switches to be exported to Europe and 1/2-14NPT be used for Switches to be exported to North
American countries.
2.
Mechanically speaking, these models are basic limit switches.
Actuator
Conduit size
Built-in switch mechanism
1NC/1NO (Snap-
action)
2NC
(Snap-action)
1NC/1NO (Slow-
action)
2NC
(Slow-action)
Direct
opening
Model
Direct
opening
Model
Direct
opening
Model
Direct
opening
Model
Fork lever lock
(right operation)
1-conduit
G1/2
---
---
---
---
---
D4N-2ARE ---
D4N-2BRE
1/2-14NPT
D4N-3ARE
D4N-3BRE
M20
D4N-4ARE
D4N-4BRE
2-conduit
G1/2
---
---
---
D4N-6ARE ---
D4N-6BRE
M20
D4N-8ARE
D4N-8BRE
Fork lever lock
(left operation)
1-conduit
G1/2
---
---
---
D4N-2ALE ---
D4N-2BLE
1/2-14NPT
D4N-3ALE
D4N-3BLE
M20
D4N-4ALE
D4N-4BLE
2-conduit
G1/2
---
---
---
D4N-6ALE ---
D4N-6BLE
M20
D4N-8ALE
D4N-8BLE
Cat whisker
1-conduit
G1/2
---
D4N-2180
---
D4N-2280
---
---
---
D4N-2B80
1/2-14NPT
D4N-3180
D4N-3280
D4N-3B80
M20
D4N-4180
D4N-4280
D4N-4B80
2-conduit
G1/2
---
D4N-6180
---
D4N-6280
---
---
D4N-6B80
M20
D4N-8180
D4N-8280
D4N-8B80
Plastic rod
1-conduit
G1/2
---
D4N-2187
---
D4N-2287
---
---
D4N-2B87
1/2-14NPT
D4N-3187
D4N-3287
D4N-3B87
M20
D4N-4187
D4N-4287
D4N-4B87
2-conduit
G1/2
---
D4N-6187
---
D4N-6287
---
---
D4N-6B87
M20
D4N-8187
D4N-8287
D4N-8B87
Prefered types
WARNING
@
Do not use general purpose switch models for applications that
require form lock for safety reasons
F502-EN2-04.book Seite 223 Dienstag, 26. Juli 2005 5:48 17