• Lineup includes three contact models with 2NC/1NO and 3NC
contact forms in addition to the previous contact forms 1NC/
1NO, and 2NC. Models with MBB contacts are also available.
• M12-connector models are available, saving on labor and
simplifying replacement.
• Standardized gold-clad contacts provide high contact reliability.
Can be used with both standard loads and microloads.
• Conforms to EN115, EN81-1, and EN81-2 (slow-action models
only).
• Lineup includes both slow-action and snap-action models with
Zb contacts.
• Certified standards: UL, EN (TÜV), and CCC
Be sure to read the
“Safety Precautions”
on page 18
and the
“Precautions for All Safety Limit Switches”
.
Note:
Contact your sales representative for details on models
with safety standard certification.
Model Number Structure
Model Number Legend
D4N-@@@@
1 2
3
3. Head and Actuator
20: Roller lever (resin lever, resin roller)
22: Roller lever (metal lever, resin roller)
25: Roller lever (metal lever, metal roller)
26: Roller lever (metal lever, bearing roller)
2G: Adjustable roller lever, form lock (metal lever, resin roller)
2H: Adjustable roller lever, form lock (metal lever, rubber roller)
31: Top Plunger
32: Top Roller Plunger
62: One-way roller arm lever (horizontal)
72: One-way roller arm lever (vertical)
80: Cat whisker
87: Plastic rod
RE: Fork lever lock (right operation)
LE: Fork lever lock (left operation)
1. Conduit size
1: Pg13.5 (1-conduit)
2: G1/2 (1-conduit)
3: 1/2-14NPT (1-conduit)
4: M20 (1-conduit)
5: Pg13.5 (2-conduit)
6: G1/2 (2-conduit)
7: 1/2-14NPT (2-conduit)
8: M20 (2-conduit)
9: M12 connector (1-conduit)
2. Built-in Switch
1: 1NC/1NO (snap-action)
2: 2NC (snap-action)
A: 1NC/1NO (slow-action)
B: 2NC (slow-action)
C: 2NC/1NO (slow-action)
D: 3NC (slow-action)
E: 1NC/1NO (MBB contact) (slow-action)
F: 2NC/1NO (MBB contact) (slow-action)
1
D4N
Ordering Information
List of Models
Consult with your OMRON representative when ordering any models that are not listed in this table.
Built-in switch mechanism
2NC
1NC/1NO
(Snap-action)
(Slow-action)
Direct
Direct
Model
Model
opening
opening
D4N-1220
D4N-1A20
D4N-2220
D4N-2A20
D4N-3220
D4N-3A20
D4N-4220
D4N-4A20
D4N-9220
D4N-9A20
D4N-5220
D4N-5A20
D4N-6220
D4N-6A20
D4N-8220
D4N-8A20
D4N-1222
D4N-1A22
D4N-2222
D4N-2A22
D4N-3222
D4N-3A22
D4N-4222
D4N-4A22
D4N-9222
D4N-9A22
D4N-5222
D4N-5A22
D4N-6222
D4N-6A22
D4N-8222
D4N-8A22
D4N-1225
D4N-1A25
D4N-2225
D4N-2A25
D4N-3225
D4N-3A25
D4N-4225
D4N-4A25
D4N-9225
D4N-9A25
D4N-1226
D4N-1A26
D4N-2226
D4N-2A26
D4N-3226
D4N-3A26
D4N-4226
D4N-4A26
D4N-9226
D4N-9A26
D4N-1231
D4N-1A31
D4N-2231
D4N-2A31
D4N-3231
D4N-3A31
D4N-4231
D4N-4A31
D4N-9231
D4N-9A31
D4N-5231
D4N-5A31
D4N-6231
D4N-6A31
D4N-8231
D4N-8A31
D4N-1232
D4N-1A32
D4N-2232
D4N-2A32
D4N-3232
D4N-3A32
D4N-4232
D4N-4A32
D4N-9232
D4N-9A32
D4N-5232
D4N-5A32
D4N-6232
D4N-6A32
D4N-8232
D4N-8A32
D4N-1262
D4N-1A62
D4N-2262
D4N-2A62
D4N-3262
D4N-3A62
D4N-4262
D4N-4A62
D4N-9262
D4N-9A62
D4N-5262
D4N-5A62
D4N-6262
D4N-6A62
D4N-8262
D4N-8A62
D4N-1272
D4N-1A72
D4N-2272
D4N-2A72
D4N-3272
D4N-3A72
D4N-4272
D4N-4A72
D4N-9272
D4N-9A72
D4N-5272
D4N-5A72
D4N-6272
D4N-6A72
D4N-8272
D4N-8A72
D4N-122G
D4N-1A2G
D4N-222G
D4N-2A2G
D4N-322G
D4N-3A2G
D4N-422G
D4N-4A2G
D4N-922G
D4N-9A2G
D4N-622G
D4N-6A2G
D4N-822G
D4N-8A2G
D4N-122H
D4N-1A2H
D4N-222H
D4N-2A2H
D4N-322H
D4N-3A2H
D4N-422H
D4N-4A2H
D4N-922H
D4N-9A2H
D4N-622H
D4N-822H
D4N-6A2H
D4N-8A2H
Switches with Two Contacts (with Direct Opening Mechanism)
Actuator
Conduit size
1NC/1NO
(Snap-action)
Direct
Model
opening
D4N-1120
D4N-2120
D4N-3120
D4N-4120
D4N-9120
D4N-5120
D4N-6120
D4N-8120
D4N-1122
D4N-2122
D4N-3122
D4N-4122
D4N-9122
D4N-5122
D4N-6122
D4N-8122
D4N-1125
D4N-2125
D4N-3125
D4N-4125
D4N-9125
D4N-1126
D4N-2126
D4N-3126
D4N-4126
D4N-9126
D4N-1131
D4N-2131
D4N-3131
D4N-4131
D4N-9131
D4N-5131
D4N-6131
D4N-8131
D4N-1132
D4N-2132
D4N-3132
D4N-4132
D4N-9132
D4N-5132
D4N-6132
D4N-8132
D4N-1162
D4N-2162
D4N-3162
D4N-4162
D4N-9162
D4N-5162
D4N-6162
D4N-8162
D4N-1172
D4N-2172
D4N-3172
D4N-4172
D4N-9172
D4N-5172
D4N-6172
D4N-8172
D4N-112G
D4N-212G
D4N-312G
D4N-412G
D4N-912G
D4N-612G
D4N-812G
D4N-112H
D4N-212H
D4N-312H
D4N-412H
D4N-912H
D4N-612H
D4N-812H
2NC
(Slow-action)
Direct
Model
opening
D4N-1B20
D4N-2B20
D4N-3B20
D4N-4B20
D4N-9B20
D4N-5B20
D4N-6B20
D4N-8B20
D4N-1B22
D4N-2B22
D4N-3B22
D4N-4B22
D4N-9B22
D4N-5B22
D4N-6B22
D4N-8B22
D4N-1B25
D4N-2B25
D4N-3B25
D4N-4B25
D4N-9B25
D4N-1B26
D4N-2B26
D4N-3B26
D4N-4B26
D4N-9B26
D4N-1B31
D4N-2B31
D4N-3B31
D4N-4B31
D4N-9B31
D4N-5B31
D4N-6B31
D4N-8B31
D4N-1B32
D4N-2B32
D4N-3B32
D4N-4B32
D4N-9B32
D4N-5B32
D4N-6B32
D4N-8B32
D4N-1B62
D4N-2B62
D4N-3B62
D4N-4B62
D4N-9B62
D4N-5B62
D4N-6B62
D4N-8B62
D4N-1B72
D4N-2B72
D4N-3B72
D4N-4B72
D4N-9B72
D4N-5B72
D4N-6B72
D4N-8B72
D4N-1B2G
D4N-2B2G
D4N-3B2G
D4N-4B2G
D4N-9B2G
D4N-6B2G
D4N-8B2G
D4N-1B2H
D4N-2B2H
D4N-3B2H
D4N-4B2H
D4N-9B2H
D4N-6B2H
D4N-8B2H
Roller lever (resin
lever, resin roller)
1-conduit
2-conduit
Roller lever (metal
lever, resin roller)
1-conduit
2-conduit
Roller lever (metal
lever, metal roller)
1-conduit
Roller lever (metal
lever, bearing roller)
1-conduit
Plunger
1-conduit
2-conduit
Roller plunger
1-conduit
2-conduit
One-way roller arm
lever (horizontal)
1-conduit
2-conduit
One-way roller arm
lever (vertical)
1-conduit
2-conduit
Adjustable roller
lever, form lock
(metal lever, resin
roller)
1-conduit
2-conduit
Adjustable roller
lever, form lock
(metal lever, rubber 1-conduit
roller)
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
M20
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
M20
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
M20
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
M20
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
M20
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
M20
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
G1/2
M20
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
G1/2
M20
2-conduit
Note:
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
D4N
Switches with Three Contacts and MBB Contacts (with Direct Opening Mechanism)
Actuator
Conduit size
2NC/1NO
(Slow-action)
Direct
Model
opening
D4N-1C20
D4N-2C20
D4N-3C20
D4N-4C20
---
D4N-5C20
D4N-6C20
D4N-8C20
D4N-1C22
D4N-2C22
D4N-3C22
D4N-4C22
---
D4N-5C22
D4N-6C22
D4N-8C22
D4N-1C25
D4N-2C25
D4N-3C25
D4N-4C25
---
D4N-1C26
D4N-2C26
D4N-3C26
D4N-4C26
---
D4N-1C31
D4N-2C31
D4N-3C31
D4N-4C31
---
D4N-5C31
D4N-6C31
D4N-8C31
D4N-1C32
D4N-2C32
D4N-3C32
D4N-4C32
---
D4N-5C32
D4N-6C32
D4N-8C32
D4N-1C62
D4N-2C62
D4N-3C62
D4N-4C62
---
D4N-5C62
D4N-6C62
D4N-8C62
D4N-1C72
D4N-2C72
D4N-3C72
D4N-4C72
---
D4N-5C72
D4N-6C72
D4N-8C72
D4N-1C2G
D4N-2C2G
D4N-3C2G
D4N-4C2G
---
D4N-6C2G
D4N-8C2G
D4N-1C2H
D4N-2C2H
D4N-3C2H
D4N-4C2H
---
D4N-6C2H
D4N-8C2H
Built-in switch mechanism
3NC
1NC/1NO MBB
(Slow-action)
(Slow-action)
Direct
Direct
Model
Model
opening
opening
D4N-1D20
D4N-1E20
D4N-2D20
D4N-2E20
D4N-3D20
D4N-3E20
D4N-4D20
D4N-4E20
---
D4N-9E20
D4N-5D20
D4N-5E20
D4N-6D20
D4N-6E20
D4N-8D20
D4N-8E20
D4N-1D22
D4N-1E22
D4N-2D22
D4N-2E22
D4N-3D22
D4N-3E22
D4N-4D22
D4N-4E22
---
D4N-9E22
D4N-5D22
D4N-5E22
D4N-6D22
D4N-6E22
D4N-8D22
D4N-8E22
D4N-1D25
D4N-1E25
D4N-2D25
D4N-2E25
D4N-3D25
D4N-3E25
D4N-4D25
D4N-4E25
---
D4N-9E25
D4N-1D26
D4N-1E26
D4N-2D26
D4N-2E26
D4N-3D26
D4N-3E26
D4N-4D26
D4N-4E26
---
D4N-9E26
D4N-1D31
D4N-1E31
D4N-2D31
D4N-2E31
D4N-3D31
D4N-3E31
D4N-4D31
D4N-4E31
---
D4N-9E31
D4N-5D31
D4N-5E31
D4N-6D31
D4N-6E31
D4N-8D31
D4N-8E31
D4N-1D32
D4N-1E32
D4N-2D32
D4N-2E32
D4N-3D32
D4N-3E32
D4N-4D32
D4N-4E32
---
D4N-9E32
D4N-5D32
D4N-5E32
D4N-6D32
D4N-6E32
D4N-8D32
D4N-8E32
D4N-1D62
D4N-1E62
D4N-2D62
D4N-2E62
D4N-3D62
D4N-3E62
D4N-4D62
D4N-4E62
---
D4N-9E62
D4N-5D62
D4N-5E62
D4N-6D62
D4N-6E62
D4N-8D62
D4N-8E62
D4N-1D72
D4N-1E72
D4N-2D72
D4N-2E72
D4N-3D72
D4N-3E72
D4N-4D72
D4N-4E72
---
D4N-9E72
D4N-5D72
D4N-5E72
D4N-6D72
D4N-6E72
D4N-8D72
D4N-8E72
D4N-1D2G
D4N-1E2G
D4N-2D2G
D4N-2E2G
D4N-3D2G
D4N-3E2G
D4N-4D2G
D4N-4E2G
---
D4N-9E2G
D4N-6D2G
D4N-6E2G
D4N-8D2G
D4N-8E2G
D4N-1D2H
D4N-1E2H
D4N-2D2H
D4N-2E2H
D4N-3D2H
D4N-3E2H
D4N-4D2H
D4N-4E2H
---
D4N-9E2H
D4N-6D2H
D4N-8D2H
D4N-6E2H
D4N-8E2H
2NC/1NO MBB
(Slow-action)
Direct
Model
opening
D4N-1F20
D4N-2F20
D4N-3F20
D4N-4F20
---
D4N-5F20
D4N-6F20
D4N-8F20
D4N-1F22
D4N-2F22
D4N-3F22
D4N-4F22
---
D4N-5F22
D4N-6F22
D4N-8F22
D4N-1F25
D4N-2F25
D4N-3F25
D4N-4F25
---
D4N-1F26
D4N-2F26
D4N-3F26
D4N-4F26
---
D4N-1F31
D4N-2F31
D4N-3F31
D4N-4F31
---
D4N-5F31
D4N-6F31
D4N-8F31
D4N-1F32
D4N-2F32
D4N-3F32
D4N-4F32
---
D4N-5F32
D4N-6F32
D4N-8F32
D4N-1F62
D4N-2F62
D4N-3F62
D4N-4F62
---
D4N-5F62
D4N-6F62
D4N-8F62
D4N-1F72
D4N-2F72
D4N-3F72
D4N-4F72
---
D4N-5F72
D4N-6F72
D4N-8F72
D4N-1F2G
D4N-2F2G
D4N-3F2G
D4N-4F2G
---
D4N-6F2G
D4N-8F2G
D4N-1F2H
D4N-2F2H
D4N-3F2H
D4N-4F2H
---
D4N-6F2H
D4N-8F2H
Roller lever (resin
lever, resin roller)
1-conduit
2-conduit
Roller lever (metal
lever, resin roller)
1-conduit
2-conduit
Roller lever (metal
lever, metal roller)
1-conduit
Roller lever (metal
lever, bearing roller)
1-conduit
Plunger
1-conduit
2-conduit
Roller plunger
1-conduit
2-conduit
One-way roller arm
lever (horizontal)
1-conduit
2-conduit
One-way roller arm
lever (vertical)
1-conduit
2-conduit
Adjustable roller
lever, form lock
(metal lever, resin
roller)
1-conduit
2-conduit
Adjustable roller
lever, form lock
(metal lever, rubber
roller)
1-conduit
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
M20
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
M20
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
M20
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
M20
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
M20
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
Pg13.5
G1/2
M20
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
G1/2
M20
Pg13.5
G1/2
1/2-14NPT
M20
M12 connector
G1/2
M20
2-conduit
Note:
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.
3
D4N
General-purpose Switches with Two Contacts
Built-in switch mechanism
Actuator
Conduit size
1NC/1NO
(Snap-action)
Model
Fork lever lock
(right operation)
G1/2
1-conduit
1/2-14NPT
M20
2-conduit
Fork lever lock (left
operation)
G1/2
M20
G1/2
1-conduit
1/2-14NPT
M20
2-conduit
Cat whisker
1-conduit
G1/2
M20
G1/2
1/2-14NPT
M20
2-conduit
Plastic rod
1-conduit
G1/2
M20
G1/2
1/2-14NPT
M20
2-conduit
G1/2
M20
D4N-2180
D4N-3180
D4N-4180
D4N-6180
D4N-8180
D4N-2187
D4N-3187
D4N-4187
D4N-6187
D4N-8187
---
---
---
---
---
D4N-2280
D4N-3280
D4N-4280
D4N-6280
D4N-8280
D4N-2287
D4N-3287
D4N-4287
D4N-6287
D4N-8287
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
Direct
opening
2NC
(Snap-action)
Model
Direct
opening
1NC/1NO
(Slow-action)
Model
D4N-2ARE
D4N-3ARE
D4N-4ARE
D4N-6ARE
D4N-8ARE
D4N-2ALE
D4N-3ALE
D4N-4ALE
D4N-6ALE
D4N-8ALE
---
---
---
---
Direct
opening
2NC
(Slow-action)
Model
D4N-2BRE
D4N-3BRE
D4N-4BRE
D4N-6BRE
D4N-8BRE
D4N-2BLE
D4N-3BLE
D4N-4BLE
D4N-6BLE
D4N-8BLE
D4N-2B80
D4N-3B80
D4N-4B80
D4N-6B80
D4N-8B80
D4N-2B87
D4N-3B87
D4N-4B87
D4N-6B87
D4N-8B87
---
---
---
---
---
---
---
---
Direct
opening
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 general-purpose switches with no direct opening mechanism.
General-purpose Switches with Three Contacts and MBB Contacts
Built-in switch mechanism
Actuator
Conduit size
2NC/1NO
(Slow-action)
Model
Fork lever lock
(right operation)
G1/2
1-conduit
1/2-14NPT
M20
2-conduit
Fork lever lock
(left operation)
G1/2
M20
G1/2
1-conduit
1/2-14NPT
M20
2-conduit
Cat whisker
1-conduit
G1/2
M20
G1/2
1/2-14NPT
M20
2-conduit
Plastic rod
1-conduit
G1/2
M20
G1/2
1/2-14NPT
M20
2-conduit
G1/2
M20
---
---
---
---
---
D4N-2CRE
D4N-3CRE
D4N-4CRE
D4N-6CRE
D4N-8CRE
D4N-2CLE
D4N-3CLE
D4N-4CLE
D4N-6CLE
D4N-8CLE
---
---
---
---
Direct
opening
3NC
(Slow-action)
Model
D4N-2DRE
D4N-3DRE
D4N-4DRE
D4N-6DRE
D4N-8DRE
D4N-2DLE
D4N-3DLE
D4N-4DLE
D4N-6DLE
D4N-8DLE
D4N-2D80
D4N-3D80
D4N-4D80
D4N-6D80
D4N-8D80
D4N-2D87
D4N-3D87
D4N-4D87
D4N-6D87
D4N-8D87
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
Direct
opening
1NC/1NO MBB
(Slow-action)
Model
D4N-2ERE
D4N-3ERE
D4N-4ERE
D4N-6ERE
D4N-8ERE
D4N-2ELE
D4N-3ELE
D4N-4ELE
D4N-6ELE
D4N-8ELE
---
---
---
---
Direct
opening
2NC/1NO MBB
(Slow-action)
Model
D4N-2FRE
D4N-3FRE
D4N-4FRE
D4N-6FRE
D4N-8FRE
D4N-2FLE
D4N-3FLE
D4N-4FLE
D4N-6FLE
D4N-8FLE
---
---
---
---
Direct
opening
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 general-purpose switches with no direct opening mechanism.
4
D4N
Specifications
Standards and EC Directives
Conforms to the following EC Directives:
•
•
•
•
•
•
Machinery Directive
Low Voltage Directive
EN50047
EN60204-1
EN1088
GS-ET-15
Certified Standard Ratings
TÜV (EN60947-5-1), CCC (GB14048.5)
Item
Utilization
category
3A
AC-15
DC-13
0.27 A
250 V
Rated operating current (I
e
)
Rated operating voltage (U
e
)
240 V
Certified Standards
Certification
body
TÜV SÜD
UL
*2
CQC (CCC)
*3
Standard
EN60947-5-1
(certified direct opening)
GB14048.5
*1
File No.
Note:
Use a 10 A fuse type
gI
or
gG
that conforms to IEC60269 as a
short-circuit protection device. This fuse is not built into the
Switch.
UL/CSA (UL508, CSA C22.2 No. 14)
A300
Rated
voltage
120 VAC
240 VAC
Carry current
10 A
Current (A)
Make
60
30
Break
6
3
Volt-amperes (VA)
Make
7,200
Break
720
UL508, CSA C22.2 No.14 E76675
2004010305105973
*1.
Consult your OMRON representative for details.
*2.
Certification for CSA C22.2 No. 14 is authorized by the UL mark.
*3.
Ask your OMRON representative for information on certified
