09_Sec (129-170).qxd 07/28/03 02:38 PM Page 9/159 3SE4 Miniature Limit Switches Selection Non-safety 3SE4 miniature limit switches ■ Additional Information •Complete Switches, see page 9/159. •Technical Data, see page 9/160 • Dimensions and Operating Characteristics, see page 9/160. Features Design •UL Recognized, CSA Miniature open type position Contact arrangements include 1 Certified. switches can be used in NO, 1 NC, 1 NC + 1 NC and 2 applications such as automatic NO (slow action only). Meets or Exceeds Other control functions and automatic International Standards. Contacts are of the bridge door interlocking. 3SE4105 and construction. •Miniature Size, Best Suited in 3SE4145 versions have direct Limited Space Applications. opening action to DIN VDE 0113/ 2.86 and Publications 204-1 and • Four Contact Configurations 2. The NC contact is for Application Flexibility. mechanically forced open by the plunger if the contact is slightly •Plunger Actuation. welded. •NEMA B300, P300 Contact Ratings. ■ Selector and ordering data) Minimum Snap-action contacts Slow-action contacts operation force along Tab connector Contact configuration plunger axis lb. (N) In. (mm) Catalog no. Catalog no. 1 NO 1.1 (5) 0.24–0.03 (6.3–0.8) _ 3SE4005 1.1 (5) 0.11–0.03 (2.8–0.8) _ 3SE4045 1.4 (6) 0.24–0.03 (6.3–0.8) 3SE4006 _ 1 NC 0.7 (3) 0.24–0.03 (6.3–0.8) _ 3SE4105 0.7 (3) 0.11–0.03 (2.8–0.8) _ 3SE4145 1.4 (6) 0.24–0.03 (6.3–0.8) 3SE4106 _ 1 NO + 1 NC 1.1 (5) 0.24–0.03 (6.3–0.8) _ 3SE4205 1.1 (5) 0.11–0.03 (2.8–0.8) _ 3SE4245 1.4 (6) 0.24–0.03 (6.3–0.8) 3SE4206 _ 2 NO 1.6 (7) 0.24–0.03 (6.3–0.8) _ 3SE4305 All dimensions shown in inches and (millimeters). For reference purposes only. Not to be used for design for construction purposes. Siemens Energy & Automation, Inc. Discount Code: Limit Switches 9/159 Industrial Controls Catalog 09_Sec (129-170).qxd 07/28/03 02:38 PM Page 9/160 3SE4 Miniature Limit Switches General Information Non-safety 3SE4 miniature limit switches ■ Technical data 3SE4005, 3SE4006, 3SE4105, Type 3SE4106, 3SE4205, 3SE4206, 3SE4305 3SE4045, 3SE4145, 3SE4245 Insulation rating AC 400V, DC 450V 6 Mechanical life 1 + 10 make-break operations 6 Electrical life 1 + 10 make-break operations Temperature Range �20 to + 85° C, �4 to +185° F Degree of Protection IP00/IP40 Terminals/Compartment Connection 6.3–0.8 mm tab connectors 2.8–0.8 mm tab connectors suitable for push-on sleeves suitable for push-on sleeves 6.3–1 (up to 1 mm2) or 2.8–0.25 (up to 0.25 mm2) 6.3–2.5 (up to 2.5 mm2) 2.8–0.5 (up to 0.5 mm2) to DIN 46 247 or 2.8–1 (up to 1 mm2) to DIN 46 247 Conductor Size 14 AWG NEMA Ratings DC, NEMA P300 AC, NEMA B300 Maximum current at 125V 250V 120V 240V Make 1.1A 0.55A 30A 15A Break 1.1A 0.55A 3A 1.5A Maximum volt-ampere Make 138V 138V 3600VA 3600VA Break 138V 138V 360VA 360VA Rated thermal current / AC12, 16A, AC15, 6A max. AC12/15, 6A max. Rated operating voltage DC13, 10A max. DC13, 5A max. ■ Dimensions and operating characteristic With slow-action contacts With snap-action contacts 3SE4005, 3SE4045 3SE4105, 3SE4145 3SE4006 3SE4305 3SE4205, 3SE4245 3SE4006 3SE4006 Slow-action contact Snap-action contact Contact Switching Resetting point Type closes after (mm) Opens Type S R 3SE4 005, 3SE4 045 2.7+0.6 — 3SE4 006 12.3 ± 0.5 14 � 0.5 3SE4 105, 3SE4 145 — immediately 3SE4 106 12.3 ± 0.5 14 � 0.5 Contact gap ≥3 mm } 3SE4 205, 3SE4 245 2+0.5 immediately 3SE4 206 12.6 ± 0.5 14 � 0.5 3SE4 305 1.75+0.75 — All dimensions shown in Inches and (millimeters). For reference purposes only. Not to be used for design or construction purposes. 9/160 Siemens Energy & Automation, Inc. Industrial Controls Catalog