References
Harmony
™
XB4 metal
22 mm push buttons
Assembly of other products using body/contact assemblies, see page 48; accessories, see page 62
Key switches with key no. 455, 421E, 458A,
520E, 3131A
Key switches
(1) (2)
Shape
of head
Type of
operator
Screw clamp terminal connections
(Schneider Electric anti-retightening system)
Type of contact
Positions
Number
Reference
Type
kg
N/O
N/C
–
2-positio
90°
Stay put
XB4BG21
(ZB4BZ101 + ZB4BG2)
XB4BG41
(ZB4BZ101 + ZB4BG4)
XB4BG61
(ZB4BZ101 + ZB4BG6)
XB4BG03
(ZB4BZ103 + ZB4BG0)
XB4BG33
(ZB4BZ103 + ZB4BG3)
0.153
0.153
0.153
0.153
0.153
Weight
Complete units
Key switch
with key no. 455
1
XB4BG33
2
–
3-position
± 45°
Spring return
to left
Stay put
Heads only
Key switch with key no. 455
(3) (4)
2-position
90°
Stay put
ZB4BG2
ZB4BG02
ZB4BG4
Spring return
from right to left
Stay put
ZB4BG6
ZB4BG0
ZB4BG03
ZB4BG04
ZB4BG3
ZB4BG5
ZB4BG9
ZB4BG09
Spring return
from left to center
ZB4BG1
ZB4BG01
Spring return
to center
Spring return
from right to
center
ZB4BG7
ZB4BG8
ZB4BG05
ZB4BG08
0.098
0.098
0.098
0.098
0.098
0.098
0.098
0.098
0.098
0.098
0.098
0.098
0.098
0.098
0.098
0.098
0.098
3-position
± 45°
ZB4BG0
To order, add a figure
7
to the references selected from above. Example:
ZB4BG2
becomes
ZB4BG27.
(1) Recommended maximum number of contacts and sequence of contacts constituting the body (mounting collar + contact) associated with the head,
see page 24.
(2) The symbol indicates key withdrawal position(s).
(3) Other key numbers:
- key no. 421E: add suffix
12
to the reference.
- key no. 458A: add suffix
10
to the reference.
- key no. 520E: add suffix
14
to the reference.
- key no. 3131A: add suffix
20
to the reference.
Example: For a switch head with key no. 421E, 2-position stay put, with key withdrawal from the left-hand position, the reference becomes:
ZB4BG212.
(4) For specific keys with other numbers, please consult your Regional Sales Office.
Note: For contact block and mounting collar ordering information, see pages 48, 50, 51 and 52.
Heads with black metal bezel
Introduction:
page 14
Specifications:
page 20
Dimensions:
page 72
40
Talking
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