Safety Interlock Switches D4B- N D4BN Safety Limit Switch Snap-action contact with certified direct operation. mechanism (NC contacts only) added to enable contacts when faults occur, such as fused contacts. Safety of lever settings ensured using a mechanism that engages a gear between the operating position indicator plate and the lever. Equipped with a mechanism that indicates the applicable operating zone, as well as push-button switching to control left and right motion. Head seal structure strengthened to improve seal properties (TÜV: IEC IP7, UL: NEMA, 4, 4X, P, and 1). Wide standard operating temperature range: 4 to C. s with gold-plated contacts to enable handling micros. Certified standards: UL, CSA, EN (TÜV), and CCC. Rev. 9.11 S Specifications Standards and EC ives Conforms to the following EC ives: Machinery ive Low Voltage ive EN EN541 Certified Standards Certification body TÜV Rheinland Standard EN947-5-1 (certified direct mechanism) S-ET- EN947-5-1 (uncertified direct mechanism) File No. J95 J554 * UL UL5 E5 CSA C22.2 No. 14 LR45 CQC (CCC) B144.5 25 *Adjustable roller lever, adjustable rod lever, coil spring, and plastic rod models only. Certified Standard Ratings TÜV (EN 947-5-1), CCC (B144.5) Item Utilization category AC- Rated operating current (Ie) 2 A Rated operating voltage (Ue) 4 V Note: Use a A fuse type gi or g that conforms to IEC 29 as a short-circuit protection device. UL/CSA (UL 5, CSA C22.2 No. 14) A Rated Carry Current (A) Volt-amperes (VA) voltage current Make Break Make Break VAC 24 VAC A 4 VAC 7,2 72 VAC 1.2 Ratings Rated voltage 5 VAC 25 4 VDC 14 5 25 Non-inductive (A) Resistive Lamp Inductive (A) Inductive Motor NC NO NC NO NC NO NC NO..4 2 4.2.1 1..2.1..4 5 4.2.1 2.5. Notes: 1. The above values are continuous currents. 2. Inductive s have a power factor of.4 or higher (AC) or a time constant of 7 ms or lower (DC).. Lamp s have a inrush current of times the normal current. 4. Motor s have a inrush current of times the normal current. 14 USA Tel. 1//5-457 Canada Tel. 1//9-7
Connections Contact Form Contact Contact form Operating pattern Remarks D4B- 1 N D4B- 5 N D4B- A N (Snap-action) 2NC Za 1 14 11 11 2 11 21 Zb Zb Note: Terminal numbers are according to EN51; contact symbols are according to IEC947-5-1. 24 22 11-1-14 11-2-24 11-21-22 Stroke Stroke Stroke ON ON ON Only NC contact 11- has a certified direct mechanism. Terminal numbers 11- and 1-14 cannot be used as unlike poles. Only NC contact 11- has a certified direct mechanism. Terminal numbers 11- or 2-24 can be used as unlike poles. Both NC contacts 11- and 21-22 have a certified direct mechanism. Terminal numbers 11- and 21-22 can be used as unlike poles. USA Tel. 1//5-457 Canada Tel. 1//9-7 149
Dimensions (mm) Switches 1-conduit s D4B- 11N (Stainless Steel Roller) D4B- N 17.5 dia.. resin roller 21 ± M5 Allen- bolt R 2±1 5 2. 1 Four, M.5 19.5 17.5 7 stainless steel roller 21 ± M5 Allen- bolt R 2±1 5 2. 1 Four, M.5 19.5 2 11.±1.2 ±.2 Set position indicator plate * Two, 5.-dia. Two, M4 cover mounting s 2 11.±1.2 ±.2 Set position indicator plate * Two, 5. dia. Two, M4 cover mounting s 5. ±.2 7. 4 5. ±.2 7. 4 Adjustable D4B- 1N 71±1 Adjustable Rod Lever D4B- 17N ±1 25 to 9R 2 ±.2 1 2 5. ±.2 19 dia. 7 resin roller Set position indicator plate * M5 1 Allen- bolts Two, 5.-dia. Two, M4 cover 7. 4.4 5 4. 1 2. 4 Four, M.5 24.5 145 max. 2 ±.2 5. ±.2 5.4 dia. 1 stainless steel rod Setting position M5 Allen- bolts Two, 5.-dia. Two, M4 cover 7. 5. 1 2. 4 Four, M.5 24.5 Top Plunger D4B- 7N Top Roller Plunger D4B- 71N ±.2 5. ±.2 OP Stainless steel plunger Two, 5.-dia. Two, M4 cover 7. 1 4 Four, M.5 19.5 2 97.7 dia. 4. stainless steel roller ±.2 5. ±.2 OP Two, 5.-dia. Two, M4 cover 7. 1 4 Four, M.5 19.5 2 97 Note: Unless otherwise specified, a tolerance of ±.4 mm applies to all dimensions. *The lever can be set to any desired position by turning the operating position indicator. USA Tel. 1//5-457 Canada Tel. 1//9-7 Note:Omitted dimensions are the same as those for the Type s. D4B-1 N and D4B-5 N have a P conduit. D4B-2 N and D4B- N have a 1/2 conduit. D4B- N and D4B-7 N have a 1/2-14N conduit.
Dimensions (continued) (mm) Switches -conduit s D4B-@@11N D4B-@@N 17.5 dia. x. resin roller M5 x Allen- bolt R Operating position 4 to 42 Six, 5.-dia. Four, M.5 x cover Four, M.5 x 24.5 9.7±1.2 2 17.5 dia. 7 stainless steel roller.4 5.9 5. ±.2 21 ± M5 Allen- bolt R Operating position 4 to 42 Six, 5. dia. Four, M.5 cover 2±1 5±1 2.±1 1 1 Four, M.5 24.5 97.9 59.±.2 75.4 71.4 -conduit Two, 5 +. -dia. holes (depth: ) 27±.2 51 2.5 57 -conduit 17.2 5.7. Two, 5 +. -dia. holes (depth: ) Adjustable D4B-@@1N Adjustable Rod Lever D4B-@@17N 25 to 9R 19 dia. x 7 resin roller Operating position Four, M.5 x 24.5 145 max. dia. x 1 stainless steel rod Operating position Four, M.5 x 24.5.4 4 to 42 M5 x 1 Allen- bolts Six, 5.-dia. Mounting holes Four, M.5 x M5 x 4 to 42 Allen- bolts Six, 5.-dia. Four, M.5 x cover -conduit Two, 5 +. -dia. holes (depth: ) -conduit Two, 5 +. -dia. holes (depth: ) Top Plunger D4B-@@7N 4 to 42 Stainless steel plunger Four, M.5 x 19.5 Top Roller Plunger D4B-@@71N.7 dia. x 4. stainless steel roller 4 to 42 Four, M.5 x 19.5 Six, 5.-dia. Four, M.5 x cover Six, 5.-dia. Four, M.5 x cover 95.4 -conduit Two, 5 +. -dia. holes (depth: ) -conduit Two, 5 +. -dia. holes (depth: ) Note: Unless otherwise specified, a tolerance of ±.4 mm applies to all dimensions. *The lever can be set to any desired position USA Tel. 1//5-457 Canada Tel. 1//9-7 1
Dimensions (continued) (mm) Levers (Applicable for roller lever models only.) D4B-1N 17.5 dia. x. nylon roller 7. dia. socket 17 11. (Stainless Steel Roller) D4B-5N 17.5 dia. 7 stainless steel roller R socket (length: ) 17 Adjustable D4B-N 19 dia. x 7 nylon roller 97 Adjustable range (25 to 9).9 2.4 adjusting scale socket 2 2.2..2 Adjustable Rod Lever D4B-7N dia. 1 145 max. Stainless rod 17 5.4 socket 21..5 11 2 (Compatible with Previous D4B ) D4B-RN 19 dia. x 7 nylon roller 17..7 7. dia. 1 socket Notes: 1. Unless otherwise specified, a tolerance of ±.4 mm applies to all dimensions. 2. Safety Limit Switch specifications are satisfied with D4B- N Levers only (example: D4B-1N). The D4B-N Adjustable and D4B-7N Adjustable Rod Lever, however, cannot be used. Do not order them for a Side Rotary Operating Head. 2 USA Tel. 1//5-457 Canada Tel. 1//9-7
Ordering Number Structure D4B N 1 2 1 Conduit size 1: Pg (1-conduit) 2: 1/2 (PF1/2) (1-conduit) : 1/2-14N (1-conduit) 4: M2 (1-conduit) 5: Pg (-conduit) : 1/2 (PF1/2) (-conduit) 7: 1/2-14N (-conduit) : M2 (-conduit) 2 Built-in Switch 1: (snap-action) : (snap-action) goldplated contacts 5: (slow-action)* : (slow-action) goldplated contacts* A: 2NC (slow-action) B: 2NC (slow-action) gold-plated contacts *Excluding D4B- 1N and D4B- 7N models. Actuator : Switch box (without ) 11: Roller lever (resin roller) : Roller lever (stainless steel roller) 1R: Roller lever (conventional D4B-compatible) 1: Adjustable roller lever 17: Adjustable rod lever 7: Top plunger 71: Top roller plunger 1: Coil spring 7: Plastic rod List of s Safety Limit Switches (with Opening Mechanism) Actuator s (Snap-action) 2NC Roller lever Pg D4B-1111N D4B-11N D4B-1A11N (resin roller) 1/2 (PF1/2) D4B-2111N D4B-2511N D4B-2A11N 1/2-14N D4B-111N D4B-511N D4B-A11N M2 D4B-4111N D4B-4511N D4B-4A11N Pg (-conduit) D4B-5111N D4B-5511N D4B-5A11N 1/2 (-conduit) D4B-111N D4B-511N D4B-A11N 1/2-14N (-conduit) D4B-7111N D4B-7511N D4B-7A11N M2 (-conduit) D4B-111N D4B-511N D4B-A11N Roller lever Pg D4B-11N D4B-N D4B-1AN (stainless steel roller) 1/2 (PF1/2) D4B-21N D4B-25N D4B-2AN 1/2-14N D4B-1N D4B-5N D4B-AN M2 D4B-41N D4B-45N D4B-4AN Pg (-conduit) D4B-51N D4B-55N D4B-5AN Top plunger Pg D4B-117N D4B-7N D4B-1A7N 1/2 (PF1/2) D4B-217N D4B-257N D4B-2A7N 1/2-14N D4B-17N D4B-57N D4B-A7N M2 D4B-417N D4B-457N D4B-4A7N Pg (-conduit) D4B-517N D4B-557N D4B-5A7N 1/2 (-conduit) D4B-17N D4B-57N D4B-A7N 1/2-14N (-conduit) D4B-717N D4B-757N D4B-7A7N M2 (-conduit) D4B-17N D4B-57N D4B-A7N Top roller plunger Pg D4B-1171N D4B-71N D4B-1A71N 1/2 (PF1/2) D4B-2171N D4B-2571N D4B-2A71N 1/2-14N D4B-171N D4B-571N D4B-A71N M2 D4B-4171N D4B-4571N D4B-4A71N Pg (-conduit) D4B-5171N D4B-5571N D4B-5A71N 1/2 (-conduit) D4B-171N D4B-571N D4B-A71N 1/2-14N (-conduit) D4B-7171N D4B-7571N D4B-7A71N M2 (-conduit) D4B-171N D4B-571N D4B-A71N (Continued on next page) USA Tel. 1//5-457 Canada Tel. 1//9-7
Ordering (continued) List of s eneral Purpose Limit Switches Actuator s (Snap-action) 2NC Adjustable roller lever Pg 1/2 (PF1/2) D4B-111N D4B-211N D4B-1N D4B-251N D4B-1A1N D4B-2A1N 1/2-14N D4B-11N D4B-51N D4B-A1N Pg (-conduit) D4B-511N D4B-551N D4B-5A1N 1/2 (-conduit) D4B-11N D4B-51N D4B-A1N 1/2-14N (-conduit) D4B-711N D4B-751N D4B-7A1N Adjustable rod lever Pg D4B-1117N D4B-17N D4B-1A17N 1/2 (PF1/2) D4B-2117N D4B-2517N D4B-2A17N 1/2-14N D4B-117N D4B-517N D4B-A17N Pg (-conduit) D4B-5117N D4B-5517N D4B-5A17N 1/2 (-conduit) D4B-117N D4B-517N D4B-A17N 1/2-14N (-conduit) D4B-7117N D4B-7517N D4B-7A17N Coil spring Pg D4B-111N D4B-1A1N (non-directional) 1/2 (PF1/2) D4B-211N D4B-2A1N 1/2-14N D4B-11N D4B-A1N Pg (-conduit) D4B-511N D4B-5A1N 1/2 (-conduit) D4B-11N D4B-A1N 1/2-14N (-conduit) D4B-711N D4B-7A1N Plastic rod Pg D4B-117N D4B-1A7N (non-directional) 1/2 (PF1/2) D4B-217N D4B-2A7N 1/2-14N D4B-17N D4B-A7N Pg (-conduit) D4B-517N D4B-5A7N 1/2 (-conduit) D4B-17N D4B-A7N 1/2-14N (-conduit) D4B-717N D4B-7A7N Notes: 1. In addition to the above models, models compatible with the previous D4B Switches (with standard rotary levers) are available. number examples: D4B-1 1RN(Pg) or D4B-2 1RN(PF1/2) 2. Consult your Omron STI representative for products. Replacement Parts Switch Boxes Built-in switch (Snap-action) 2NC 1-conduit type -conduit type P 1/2 1/2-14N P 1/2 1/2-14N D4B-1N D4B-2N D4B-N D4B-5N D4B-N D4B-7N D4B-N D4B-25N D4B-5N D4B-55N D4B-5N D4B-75N D4B-1AN D4B-2AN D4B-AN D4B-5AN D4B-AN D4B-7AN Operating Heads Actuator Type Side rotary * Standard D4B-N Top plunger Plain D4B-7N Top roller plunger D4B-71N Flexible-rod Coil spring D4B-1N Plastic rod D4B-7N *The Lever is not included with the Side Rotary Operating Head. Levers Actuator Length Diameter of (mm) roller Standard 17.5 dia. D4B-1N Stainless steel roller lever 17.5 dia. D4B-5N Adjustable roller lever 25 to 9 19 dia. D4B-N Adjustable rod lever 145 max. D4B-7N Interchangeable with D4B-1.7 19 dia. D4B-RN Note: Other types of lever are also available. 4 USA Tel. 1//5-457 Canada Tel. 1//9-7