Datasheet
473
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
Flush design
1 a-
2
b+
1 3 a-
4
2 b+
1 a-
2 b+
1 a-
2
3
4
b+
Wiring diagram 1 Wiring diagram 2 Wiring diagram 3 Wiring diagram 4
1 3 a-
4
2 b+
31 x1-
2
4 x2+
I
31 a-
2
4 b+
I
Wiring diagram 5 Wiring diagram 6 Wiring diagram 7
31 x1-
2
4 x2+
I
31
2
4
II
31 x1-
2
4 x2+
I
31
2
4
II
31
2
4
III
Wiring diagram 8 Wiring diagram 9
31 x1-
2
4 x2+
I
31
2
4
II
31
2
4
III
31
2
4
IV
1 a-
2
b+
1 3 a-
4
2 b+
Wiring diagram 10 Wiring diagram 11 Wiring diagram 12
1 a-
2 b+
1 a-
2
3
4
b+
1 3 a-
4
2 b+
Wiring diagram 13 Wiring diagram 14 Wiring diagram 15
Switching system Contacts Switching action Switching angle Terminal Part No.
Compo-
nent layout
Wiring
diagram
Weight
Snap-action switching
element
2 NC + 2 NO A - C C = 90° Solder 52-272.0252 18 0.006 kg
3 NC + 3 NO A - C C = 90° Solder 52-273.0252 19 0.006 kg
4 NC + 4 NO A - C C = 90° Solder 52-274.0252 20 0.006 kg
Contacts: NC = Normally closed, NO = Normally open
Switching action: A = Rest, B = Momentary, C = Maintain
The component layouts you will find from page 520
51