ABB Polohové spínače

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Základní přehled polohových spínačů ...

Vydal: ABB s.r.o, ELSYNN Autor: ABB ELSYnn

Strana 159 z 238







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...... .......... C2 Over-travel: distance between the operating position and the max............. C4 Release travel: distance between the release position and the free position .. L Max.....5 mm • General table..9 6..................... page58 • Additional technical data ..........................................5 8.. travel position: maximum acceptable travel position the switch actuator under the effect force F1....... pages 2to5 Terminology..... ..........1 mm 21-22 r 13-14 t 21-22 r LS40M41B11 (snap action contacts) LS40M11D11 (non-overlapping slow action contacts) w j2l Diagram degrees/lever rotation 0 21° 50° 87° 21-22 13-14 21-22 Diagram millimetres/plunger travel 0 1. PR Release position: position the switch ctu ato when the contacts return their initial free position...........5 3.........Limit Switches Plastic Metal Casing Travel and Operation Diagrams IndexMain Summary C w j2l _ Diagram millimetres C C PO Free position: position the switch actuator when external force exerted it....................................... travel position L... C3 Differential travel (C1-C4): travel difference the switch actuator between the operating position and the release position ......... ......................................... Examples: LS40M13B11 (snap action contacts) _ _ Diagram millimetres/cam travel 0 1.... CP Positive opening travel: minimum travel the switch actuator, from the free position, ensure positive opening operation of the normally closed contact.5 2................... travel: distance between the free position and the max........ PA Operating position: position the switch actuator, under the effect of force F1, when the contacts leave their initial free position....................................................... . . travel position L............. pages to55 28 Low Voltage Products 1SBC 0016 R1002 Main Summary ... page56 • Ordering details....... PP Positive opening position: position the switch actuator from which positive opening ensured.................. CL Max. Diagram for snap action contacts: 21-22 r 13-14 t 21-22 r ♦ C1 Actuation 1 Release Diagram for non-overlapping slow action contacts: K C>-^ Actuation and release Cl Pp C Cl P Cp Note: for slow action contacts, C1-1 pre-travel contact 21-22, C1-2 pre-travel contact 13-14.................4 12...pages 10to Standards . C, Pre-travel: distance betw een the free position and the operating position .....................