Document
Safety Limit Switch
D4N
CSM_D4N_DS_E_10_1
Popular Safety Limit Switches Providing a Full Lineup Conforming to International Standards
Note: Contact your sales representative for details on models with safety standard certification.
• Lineup includes models with 1NC/1NO, 2NC, 2NC/1NO and 3NC contact forms. (Slow-action models with MBB contacts are available.)
• M12-connector models are also 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 the requirements for safety contacts in EN 115-1, EN 81-20, and EN 81-50 (slow-action models only).
• Certified standards: UL, EN (TÜV), and CCC
Be sure to read the “Safety Precautions” on page 17.
Model Number Structure
Model Number Legend
For the most recent information on models that have been certified for safety standards, refer to your OMRON website.
1-Conduit Models
D4N-@@@@
12 3
1. Conduit size 1: Pg13.5 2: G1/2 4: M20 9: M12 connector
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)
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: Plunger 32: 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)
2-Conduit Models
D4N-@@@@
12 3
1. Conduit size 6: G1/2 8: M20
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)
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: Plunger 32: Roller Plunger 62: One-way roller arm lever (horizontal) 72: One-way roller arm lever (vertical)
1
D4N
Ordering Information
List of Models
Consult with your OMRON representative when ordering any models that are not listed in this table.
Switches with Two Contacts (with Direct Opening Mechanism)
Actuator
Conduit size
Roller lever (resin lever, resin roller)
1-conduit
Roller lever (metal lever, resin roller)
2-conduit 1-conduit
Roller lever (metal lever, metal roller)
2-conduit 1-conduit
Pg13.5 G1/2 M20 M12 connector G1/2 M20 Pg13.5 G1/2 M20 M12 connector G1/2 M20 Pg13.5
G1/2
M20
Built-in switch mechanism
1NC/1NO
(Snap-action)
Model
Direct opening
2NC
(Snap-action)
Model
Direct opening
1NC/1NO
(Slow-action)
Model
Direct opening
2NC
(Slow-action)
Model
Direct opening
D4N-1120 D4N-2120
D4N-1220 D4N-2220
D4N-1A20 D4N-2A20
D4N-1B20 D4N-2B20
D4N-4120 D4N-9120 D4N-6120
D4N-4220 D4N-9220 D4N-6220
D4N-4A20 D4N-9A20 D4N-6A20
D4N-4B20 D4N-9B20 D4N-6B20
D4N-8120 D4N-1122
D4N-8220 D4N-1222
D4N-8A20 D4N-1A22
D4N-8B20 D4N-1B22
D4N-2122 D4N-4122
D4N-2222 D4N-4222
D4N-2A22 D4N-4A22
D4N-2B22 D4N-4B22
D4N-9122 D4N-6122 D4N-8122
D4N-9222 D4N-6222 D4N-8222
D4N-9A22 D4N-6A22 D4N-8A22
D4N-9B22 D4N-6B22 D4N-8B22
D4N-1125
D4N-1225
D4N-1A25
D4N-1B25
D4N-2125
D4N-2225
D4N-2A25
D4N-2B25
D4N-4125
D4N-4225
D4N-4A25
D4N-4B25
Roller lever (metal lever, bearing roller)
1-conduit
M12 connector Pg13.5 G1/2 M20
D4N-9125 D4N-1126 D4N-2126 D4N-4126
D4N-9225 D4N-1226 D4N-2226 D4N-4226
D4N-9A25 D4N-1A26 D4N-2A26 D4N-4A26
D4N-9B25 D4N-1B26 D4N-2B26 D4N-4B26
Adjustable roller lever, form lock (metal lever, resin roller)
1-conduit
2-conduit
Adjustable roller lever, form lock (metal lever, rubber roller)
1-conduit
M12 connector Pg13.5 G1/2 M20 M12 connector G1/2 M20 Pg13.5
G1/2
M20
D4N-9126 D4N-112G D4N-212G D4N-412G D4N-912G D4N-612G D4N-812G D4N-112H
D4N-212H
D4N-412H
D4N-9226 D4N-122G D4N-222G D4N-422G D4N-922G D4N-622G D4N-822G D4N-122H
D4N-222H
D4N-422H
D4N-9A26 D4N-1A2G D4N-2A2G D4N-4A2G D4N-9A2G D4N-6A2G D4N-8A2G D4N-1A2H
D4N-2A2H
D4N-4A2H
D4N-9B26 D4N-1B2G D4N-2B2G D4N-4B2G D4N-9B2G D4N-6B2G D4N-8B2G D4N-1B2H
D4N-2B2H
D4N-4B2H
M12 connector
D4N-912H
D4N-922H
D4N-9A2H
D4N-9B2H
Plunger
2-conduit 1-conduit
Roller plunger
2-conduit 1-conduit
2-conduit
One-way roller arm lever (horizontal)
1-conduit
2-conduit
One-way roller arm
lever (vertical)
1-conduit
2-conduit
G1/2
M20
Pg13.5 G1/2 M20 M12 connector.