Datasheet
488
01
02
03
04
10
14
17
18
19
22
31
41
44
51
56
57
61
70
71
82
84
92
95
96
97
99
ST
Raised design
Switching system Contacts Switching action Switching angle Key remove Terminal Part No.
Compo-
nent layout
Wiring
diagram
Weight
Keylock switch 2 positions, Front dimension Ø 18 mm
Low-level element 1 NC + 1 NO A - B B = 42° A Universal 2.0 x 0.5 mm 51-438.036D 4 1 0.017 kg
A - C C = 90° A Universal 2.0 x 0.5 mm 51-415.036D 4 7 0.017 kg
C Universal 2.0 x 0.5 mm 51-418.036D 4 7 0.017 kg
A + C Universal 2.0 x 0.5 mm 51-412.036D 4 7 0.017 kg
2 NO A - C C = 90° A Universal 2.0 x 0.5 mm 51-414.036D 4 8 0.017 kg
A + C Universal 2.0 x 0.5 mm 51-411.036D 4 8 0.017 kg
Snap-action swit-
ching element
1 NC + 1 NO A - B B = 42° A Solder 2.8 x 0.5 mm 51-141.022D 3 0.016 kg
A Solder 51-141.025D2 3 0.016 kg
2 NC + 2 NO A - B B = 42° A Solder 51-142.025D2 4 0.016 kg
3 NC + 3 NO A - B B = 42° A Solder 51-143.025D2 5 0.016 kg
4 NC + 4 NO A - B B = 42° A Solder 51-144.025D2 6 0.016 kg
1 NC + 1 NO A - C C = 90° A Solder 51-235.025D2 9 0.016 kg
C Solder 51-335.025D2 9 0.016 kg
A + C Solder 51-135.025D2 9 0.016 kg
A Solder 2.8 x 0.5 mm 51-235.022D 9 0.016 kg
C Solder 2.8 x 0.5 mm 51-335.022D 9 0.016 kg
A + C Solder 2.8 x 0.5 mm 51-135.022D 9 0.016 kg
2 NC + 2 NO A - C C = 90° A Solder 51-236.025D2 10 0.016 kg
C Solder 51-336.025D2 10 0.016 kg
A + C Solder 51-136.025D2 10 0.016 kg
3 NC + 3 NO A - C C = 90° A Solder 51-237.025D2 11 0.016 kg
A + C Solder 51-137.025D2 11 0.016 kg
4 NC + 4 NO A - C C = 90° A Solder 51-238.025D2 12 0.016 kg
C Solder 51-338.025D2 12 0.016 kg
A + C Solder 51-138.025D2 12 0.016 kg
Contacts: NC = Normally closed, NO = Normally open
Switching action: A = Rest, B = Momentary, C = Maintain
The component layouts you will find from page
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