Datasheet

Illuminated pushbutton round, IP65
Equipment consisting of (schematic overview)
Lens Page 653
LED Page 660
Actuator
Fixing nut
Each Part Number listed below includes all the
black components shown in the 3D-drawing.
To obtain a complete unit, please select the red
components from the pages shown.
Dimensions [mm]
A = Solder terminal
B = Plug-in terminal 2.8 mm x 0.5 mm
C = Universal terminal 2.0 mm x 0.5 mm
D = Universal-Solder terminal
Product can differ from the current conguration.
Mounting cut-outs [mm]
Actuator, Front dimension Ø 18 mm
Switching action Contacts Terminal Switching system Diode 1N4007 Part No.
Wiring
diagram
Com-
ponent
Layout
Momentary 1 NC / 1 NO Plug-interminal Snap-action switching element 51-131.022 20 27
1 NC / 1 NO Solderingterminal Snap-action switching element 51-131.0252 17
2 NC / 2 NO Solderingterminal Snap-action switching element 51-132.0252 24
3 NC / 3 NO Solderingterminal Snap-action switching element 51-133.0252 26
4 NC / 4 NO Solderingterminal Snap-action switching element 51-134.0252 28
Maintained 1 NC / 1 NO Plug-interminal Snap-action switching element 51-271.022 18 27
1 NC / 1 NO Solderingterminal Snap-action switching element 51-271.0252 19
2 NC / 2 NO Solderingterminal Snap-action switching element 51-272.0252 25
3 NC / 3 NO Solderingterminal Snap-action switching element 51-273.0252 27
4 NC / 4 NO Solderingterminal Snap-action switching element 51-274.0252 29
Momentary 2 NO Universal terminal Low-level element 51-431.036 11 27
1 NC / 1 NO Universal terminal Low-level element 51-433.036 7 27
1 NO Universal terminal Low-level element 51-435.036 9 27
1 NC Universal terminal Low-level element 51-436.036 5 27
Maintained 2 NO Universal terminal Low-level element 51-471.036 12 27
1 NC / 1 NO Universal terminal Low-level element 51-473.036 8 27
1 NO Universal terminal Low-level element 51-475.036 10 27
Momentary 2 NC / 2 NO Universal soldering terminal Snap-action switching element 2 51-746.0292 23
Maintained 1 NC / 1 NO Universal soldering terminal Snap-action switching element 1 51-747.0292 14
2 NC / 2 NO Universal soldering terminal Snap-action switching element 1 51-749.0292 22
2 NC / 2 NO Universal soldering terminal Snap-action switching element 2 51-750.0292 32
Contacts: NC = Normally closed, NO = Normally open
Raised design
01/2019 § eao.com
619
51
01
02
03
04
09
14
17
18
19
22
31
41
45
51
56
57
61
70
71
82
84
92
96
1.5 … 6
28 … 50.5
10.5
36
43.5 / 51
32 3
B
D
A
C
18min.
24min.
18x24
18x18/Ø18
18min.
15
+0.1
0
Ø16.2
+0.2
0
Ø16.2
+0.2
0
1.7
0 -
0.1