...
travel position L........5 3...............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.............
C, Pre-travel:
distance betw een the free position and
the operating position ..............
C3 Differential travel (C1-C4):
travel difference the switch actuator between the
operating position and the release position ........................
CP Positive opening travel:
minimum travel the switch actuator, from the free
position, ensure positive opening operation of
the normally closed contact....5 8.........
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.........5 mm
• General table.............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........
C2 Over-travel:
distance between the operating position and
the max............. travel position L...
PP Positive opening position:
position the switch actuator from which
positive opening ensured..................... pages to55
28 Low Voltage Products
1SBC 0016 R1002
Main Summary
.......... pages 2to5 Terminology.............. travel:
distance between the free position and the max.......
C4 Release travel:
distance between the release position and
the free position ........................5 2............................ page56
• Ordering details.......... ........
Examples:
LS40M13B11
(snap action contacts)
_ _
Diagram millimetres/cam travel
0 1..pages 10to Standards ... travel position:
maximum acceptable travel position the
switch actuator under the effect force F1......... .............................
PR Release position:
position the switch ctu ato when the
contacts return their initial free position.... page58
• Additional technical data ................... .........4 12.......................... .... ...................
CL Max............
L Max.
PA Operating position:
position the switch actuator, under the effect
of force F1, when the contacts leave their initial
free position..............9 6..
