Safety Limit Switch D4N CSM D4N DS E 6 1 Note: Contact your sales representative for details on models Popular Safety Limit Switches with safety standard certification. Providing a Full Lineup Conforming to International Standards 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 EN115, EN81-1, and EN81-2 (slow-action models only). Certified standards: UL, EN (TV), and CCC Be sure to read the Safety Precautions on page 17. Model Number Structure Model Number Legend 1-Conduit Models 2-Conduit Models D4N- D4N- 1 2 3 1 2 3 1. Conduit size 1. Conduit size 1: Pg13.5 6: G1/2 2: G1/2 8: M20 4: M20 9: M12 connector 2. Built-in Switch 2. Built-in Switch 1: 1NC/1NO (snap-action) 1: 1NC/1NO (snap-action) 2: 2NC (snap-action) 2: 2NC (snap-action) A: 1NC/1NO (slow-action) A: 1NC/1NO (slow-action) B: 2NC (slow-action) B: 2NC (slow-action) C: 2NC/1NO (slow-action) C: 2NC/1NO (slow-action) D: 3NC (slow-action) D: 3NC (slow-action) E: 1NC/1NO (MBB contact) (slow-action) E: 1NC/1NO (MBB contact) (slow-action) F: 2NC/1NO (MBB contact) (slow-action) F: 2NC/1NO (MBB contact) (slow-action) 3. Head and Actuator 3. Head and Actuator 20: Roller lever (resin lever, resin roller) 20: Roller lever (resin lever, resin roller) 22: Roller lever (metal lever, resin roller) 22: Roller lever (metal lever, resin roller) 25: Roller lever (metal lever, metal roller) 25: Roller lever (metal lever, metal roller) 26: Roller lever (metal lever, bearing roller) 26: Roller lever (metal lever, bearing roller) 2G: Adjustable roller lever, form lock (metal lever, resin roller) 2G: Adjustable roller lever, form lock (metal lever, resin roller) 2H: Adjustable roller lever, form lock (metal lever, rubber roller) 2H: Adjustable roller lever, form lock (metal lever, rubber roller) 31: Top Plunger 31: Top Plunger 32: Top Roller Plunger 32: Top Roller Plunger 62: One-way roller arm lever (horizontal) 62: One-way roller arm lever (horizontal) 72: One-way roller arm lever (vertical) 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) 1D4N 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) Built-in switch mechanism 1NC/1NO 2NC 1NC/1NO 2NC Actuator Conduit size (Snap-action) (Snap-action) (Slow-action) (Slow-action) Direct Direct Direct Direct Model Model Model Model opening opening opening opening Roller lever (resin Pg13.5 D4N-1120 D4N-1220 D4N-1A20 D4N-1B20 lever, resin roller) G1/2 D4N-2120 D4N-2220 D4N-2A20 D4N-2B20 1-conduit M20 D4N-4120 D4N-4220 D4N-4A20 D4N-4B20 M12 connector D4N-9120 D4N-9220 D4N-9A20 D4N-9B20 G1/2 D4N-6120 D4N-6220 D4N-6A20 D4N-6B20 2-conduit M20 D4N-8120 D4N-8220 D4N-8A20 D4N-8B20 Roller lever (metal Pg13.5 D4N-1122 D4N-1222 D4N-1A22 D4N-1B22 lever, resin roller) G1/2 D4N-2122 D4N-2222 D4N-2A22 D4N-2B22 1-conduit M20 D4N-4122 D4N-4222 D4N-4A22 D4N-4B22 M12 connector D4N-9122 D4N-9222 D4N-9A22 D4N-9B22 G1/2 D4N-6122 D4N-6222 D4N-6A22 D4N-6B22 2-conduit M20 D4N-8122 D4N-8222 D4N-8A22 D4N-8B22 Roller lever (metal Pg13.5 D4N-1125 D4N-1225 D4N-1A25 D4N-1B25 lever, metal roller) G1/2 D4N-2125 D4N-2225 D4N-2A25 D4N-2B25 1-conduit M20 D4N-4125 D4N-4225 D4N-4A25 D4N-4B25 M12 connector D4N-9125 D4N-9225 D4N-9A25 D4N-9B25 Roller lever (metal Pg13.5 D4N-1126 D4N-1226 D4N-1A26 D4N-1B26 lever, bearing roller) G1/2 D4N-2126 D4N-2226 D4N-2A26 D4N-2B26 1-conduit M20 D4N-4126 D4N-4226 D4N-4A26 D4N-4B26 M12 connector D4N-9126 D4N-9226 D4N-9A26 D4N-9B26 Adjustable roller Pg13.5 D4N-112G D4N-122G D4N-1A2G D4N-1B2G lever, form lock G1/2 D4N-212G D4N-222G D4N-2A2G D4N-2B2G 1-conduit (metal lever, resin M20 D4N-412G D4N-422G D4N-4A2G D4N-4B2G roller) M12 connector D4N-912G D4N-922G D4N-9A2G D4N-9B2G G1/2 D4N-612G D4N-622G D4N-6A2G D4N-6B2G 2-conduit M20 D4N-812G D4N-822G D4N-8A2G D4N-8B2G Adjustable roller Pg13.5 D4N-112H D4N-122H D4N-1A2H D4N-1B2H lever, form lock G1/2 D4N-212H D4N-222H D4N-2A2H D4N-2B2H (metal lever, rubber 1-conduit roller) M20 D4N-412H D4N-422H D4N-4A2H D4N-4B2H M12 connector D4N-912H D4N-922H D4N-9A2H D4N-9B2H G1/2 D4N-612H D4N-622H D4N-6A2H D4N-6B2H 2-conduit M20 D4N-812H D4N-822H D4N-8A2H D4N-8B2H Plunger Pg13.5 D4N-1131 D4N-1231 D4N-1A31 D4N-1B31 G1/2 D4N-2131 D4N-2231 D4N-2A31 D4N-2B31 1-conduit M20 D4N-4131 D4N-4231 D4N-4A31 D4N-4B31 M12 connector D4N-9131 D4N-9231 D4N-9A31 D4N-9B31 G1/2 D4N-6131 D4N-6231 D4N-6A31 D4N-6B31 2-conduit M20 D4N-8131 D4N-8231 D4N-8A31 D4N-8B31 Roller plunger Pg13.5 D4N-1132 D4N-1232 D4N-1A32 D4N-1B32 G1/2 D4N-2132 D4N-2232 D4N-2A32 D4N-2B32 1-conduit M20 D4N-4132 D4N-4232 D4N-4A32 D4N-4B32 M12 connector D4N-9132 D4N-9232 D4N-9A32 D4N-9B32 G1/2 D4N-6132 D4N-6232 D4N-6A32 D4N-6B32 2-conduit M20 D4N-8132 D4N-8232 D4N-8A32 D4N-8B32 One-way roller arm Pg13.5 D4N-1162 D4N-1262 D4N-1A62 D4N-1B62 lever (horizontal) G1/2 D4N-2162 D4N-2262 D4N-2A62 D4N-2B62 1-conduit M20 D4N-4162 D4N-4262 D4N-4A62 D4N-4B62 M12 connector D4N-9162 D4N-9262 D4N-9A62 D4N-9B62 G1/2 D4N-6162 D4N-6262 D4N-6A62 D4N-6B62 2-conduit M20 D4N-8162 D4N-8262 D4N-8A62 D4N-8B62 One-way roller arm Pg13.5 D4N-1172 D4N-1272 D4N-1A72 D4N-1B72 lever (vertical) G1/2 D4N-2172 D4N-2272 D4N-2A72 D4N-2B72 1-conduit M20 D4N-4172 D4N-4272 D4N-4A72 D4N-4B72 M12 connector D4N-9172 D4N-9272 D4N-9A72 D4N-9B72 G1/2 D4N-6172 D4N-6272 D4N-6A72 D4N-6B72 2-conduit M20 D4N-8172 D4N-8272 D4N-8A72 D4N-8B72 2