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General-purpose Switches with Two Contacts
Actuator
Conduit size
Fork lever lock
1-conduit
(right operation)
2-conduit
Fork lever lock
1-conduit
(left operation)
2-conduit
Cat whisker
1-conduit
2-conduit
Plastic rod
1-conduit
2-conduit
Prefered types
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.
@
WARNING
Do not use general purpose switch models for applications that
require form lock for safety reasons
D4N
1NC/1NO (Snap-
action)
Direct
Model
opening
G1/2
---
---
1/2-14NPT
M20
G1/2
---
M20
G1/2
---
1/2-14NPT
M20
G1/2
---
M20
G1/2
---
D4N-2180
1/2-14NPT
D4N-3180
M20
D4N-4180
G1/2
---
D4N-6180
M20
D4N-8180
G1/2
---
D4N-2187
1/2-14NPT
D4N-3187
M20
D4N-4187
G1/2
---
D4N-6187
M20
D4N-8187
Built-in switch mechanism
2NC
1NC/1NO (Slow-
(Snap-action)
action)
Direct
Model
Direct
opening
opening
---
---
---
---
---
---
---
---
---
---
D4N-2280
---
D4N-3280
D4N-4280
---
D4N-6280
---
D4N-8280
---
D4N-2287
---
D4N-3287
D4N-4287
---
D4N-6287
---
D4N-8287
2NC
(Slow-action)
Model
Direct
Model
opening
D4N-2ARE ---
D4N-2BRE
D4N-3ARE
D4N-3BRE
D4N-4ARE
D4N-4BRE
D4N-6ARE ---
D4N-6BRE
D4N-8ARE
D4N-8BRE
D4N-2ALE ---
D4N-2BLE
D4N-3ALE
D4N-3BLE
D4N-4ALE
D4N-4BLE
D4N-6ALE ---
D4N-6BLE
D4N-8ALE
D4N-8BLE
---
---
D4N-2B80
D4N-3B80
D4N-4B80
---
D4N-6B80
D4N-8B80
---
D4N-2B87
D4N-3B87
D4N-4B87
---
D4N-6B87
D4N-8B87
G-223
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