Datasheet

31
Mushroom head switching off mechanical latching pushbuttons conform to standards IEC 60364-5-53 and
EN/IEC 60947-5-5. Please consult your Regional Sales Ofce for a full explanation of these standards and
directives.
Emergency switching off, mechanical latching pushbuttons (1) (2)
Screw clamp terminal connections (Schneider Electric anti-retightening system)
Shape
of head
Type
of reset
Type of contact
Push Reference Weight
kg
Ø mm Colour
N/O N/C
Complete units
Push-pull – 1 40 Red XB4 BT42
(ZB4 BZ102 + ZB4 BT4)
0.125
Turn to release – 1 40 Red XB4 BS542
(ZB4 BZ102 + ZB4 BS54)
0.118
Key release
(key n° 455)
(3)
– 1 40 Red XB4 BS142
(ZB4 BZ102 + ZB4 BS14)
0.133
Heads only
Push-pull 30 Red ZB4 BT44 r 0.077
40 Red ZB4 BT4 0.077
60 Red ZB4 BX4 0.095
Turn to release 30 Red ZB4 BS44 0.066
40 Red ZB4 BS54 0.070
60 Red ZB4 BS64 0.090
Key release (key n° 455)
2 keys included with head (5)
(3)
30 Red ZB4 BS74 0.066
40 Red ZB4 BS14 (4) 0.070
60 Red ZB4 BS24 0.090
Illuminated Emergency switching off, mechanical latching pushbuttons (1)
Screw clamp terminal connections (Schneider Electric anti-retightening system)
Shape
of head
Type
of reset
Push Reference Weight
kg
Ø mm Colour
Heads only (6)
Push-pull 40 Red ZB4 BW643 0.051
Heads with black metal bezel
To order, add a gure 7 to the references selected above.
Example: ZB4 BT4 becomes ZB4 BT47.
(1) Recommended maximum number of contacts constituting the body (xing collar + contact) associated with the head, see
page
18.
(2) It is recommended that a legend or yellow background is used.
(3) The symbol
indicates key withdrawal position(s).
(4) Other key numbers:
- key n° 421E: add sufx 12 to the reference.
- key n° 458A: add sufx 10 to the reference.
- key n° 520E: add sufx 14 to the reference.
- key n° 3131A: add sufx 20 to the reference.
Example: To order a Ø 40 red mushroom head for a mechanical latching Emergency switching off pushbutton, with release by
key n° 421E, the reference becomes: ZB4 BS1412.
(5) For specic keys with other numbers, please consult your Regional Sales Ofce.
(6) Only for use with bodies comprising a light source with integral LED.
BS5 aruØ40 .EPSBS5 aruØ40 .EPS
550277
XB4 BS542
550277
XB4 BS542
BS1 aruØ40.EPSBS1 aruØ40.EPS
550279
ZB4 BT4
550279
ZB4 BT4
550280
ZB4 BS64
550280
ZB4 BS64
550281
ZB4 BS74
550281
ZB4 BS74
General :
page 6
Characteristics :
page 14
Dimensions :
page 68
General :
page 6
Characteristics :
page 14
Dimensions :
page 68
General :
page 6
Characteristics :
page 14
Dimensions :
page 68
General :
page 6
Characteristics :
page 14
Dimensions :
page 68
Control and signalling units Ø 22
Harmony
®
XB4, metal
Emergency switching off devices
Conforming to IEC 60364-5-53
r Available:
1
st
quarter 2009.
Assembly of other products using:
body/contact assemblies: see page 44
combined sub-assemblies: see page 50
accessories: see pages 58 and 64
References
1
2
3
4
5
6
7
8
9
10