Datasheet

Illuminated pushbutton square, IP65
Equipment consisting of (schematic overview)
Lens Page 653
LED Page 660
Actuator
Front bezel set Page 658
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
Product can differ from the current conguration.
Mounting cut-outs [mm]
Actuator, Front dimension 24 mm x 24 mm
Switching action Contacts Terminal Switching system Part No.
Wiring
diagram
Com-
ponent
Layout
Momentary 1 NC / 1 NO Plug-interminal Snap-action switching element 51-151.022F 18 27
1 NC / 1 NO Solderingterminal Snap-action switching element 51-151.0252F 18 27
2 NC / 2 NO Solderingterminal Snap-action switching element 51-152.0252F 24 27
3 NC / 3 NO Solderingterminal Snap-action switching element 51-153.0252F 26 27
4 NC / 4 NO Solderingterminal Snap-action switching element 51-154.0252F 28 27
Maintained 1 NC / 1 NO Plug-interminal Snap-action switching element 51-281.022F 19 27
1 NC / 1 NO Solderingterminal Snap-action switching element 51-281.0252F 19 27
2 NC / 2 NO Solderingterminal Snap-action switching element 51-282.0252F 25 27
3 NC / 3 NO Solderingterminal Snap-action switching element 51-283.0252F 27 27
4 NC / 4 NO Solderingterminal Snap-action switching element 51-284.0252F 29 27
Momentary 2 NO Universal terminal Low-level element 51-451.036F 11 27
2 NC Universal terminal Low-level element 51-452.036F 30 27
1 NC / 1 NO Universal terminal Low-level element 51-453.036F 7 27
1 NO Universal terminal Low-level element 51-455.036F 9 27
1 NC Universal terminal Low-level element 51-456.036F 11 27
Maintained 2 NO Universal terminal Low-level element 51-481.036F 12 27
2 NC Universal terminal Low-level element 51-482.036F 31 27
1 NC / 1 NO Universal terminal Low-level element 51-483.036F 8 27
1 NO Universal terminal Low-level element 51-485.036F 10 27
1 NC Universal terminal Low-level element 51-486.036F 6 27
Contacts: NC = Normally closed, NO = Normally open
Flush design
01/2019 § eao.com
577
51
01
02
03
04
09
14
17
18
19
22
31
41
45
51
56
57
61
70
71
82
84
92
96
44
41 3
36.5 ... 59
2
1.5 ... 4
C
B
A
L
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