Switches – Mouser Israel

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Harmony XB4 & XB5 Emergency Stop Push Buttons

Schneider Electric Harmony XB4 and XB5 Emergency Stop Push Buttons offer 40mm mushroom heads and operate with a latched push-pull, turn release, or key release mechanism. These push buttons feature a robust metal or plastic bezel, depending on the model. Emergency Machine Stop (EMS) and Emergency Off (EO) push buttons are easily installed into a standard 22mm diameter cutout and connected with simple screw-clamp connections. These push buttons are clearly visible at a distance due to the clear color and prominent 30mm, 40mm, or 60mm mushroom shapes. Due to the IP66 rating, these push buttons are impact-, dust-, water-, and vibration-resistant, making them ideal for operation in even the most demanding environments. Schneider Electric Harmony XB4 and XB5 Emergency Stop Push Buttons are compatible for installation with XALK and XAPK yellow lid control stations.

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Part #

Keylock Switches PUSHBUTTON OPERATOR 22MM XB4B

XB4BS9445
Schneider Electric
1: $150.64
8In Stock

Mfr. Part No.
XB4BS9445

Mouser Part No
996-XB4BS9445

Schneider Electric

Keylock Switches PUSHBUTTON OPERATOR 22MM XB4B

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Datasheet

8In Stock

$150.64

$129.86

$124.15

$124.14

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Min.: 1
Mult.: 1

Keylock Switches

SPDT

ON - (OFF), OFF - (ON)

Panel Mount

Switch Actuators MUSHROOM PB OPERATOR

ZB4BS864
Schneider Electric
1: $80.35
9In Stock

Mfr. Part No.
ZB4BS864

Mouser Part No
996-ZB4BS864

Schneider Electric

Switch Actuators MUSHROOM PB OPERATOR

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Datasheet

9In Stock

$80.35

$80.34

Quote

Min.: 1
Mult.: 1

Switch Actuators

Mushroom

Emergency Stop Switches / E-Stop Switches KEY RELEASE EMERGENCY STOP WITH RED 40 M

XB5AS9442
Schneider Electric
1: $132.28
9In Stock

Mfr. Part No.
XB5AS9442

Mouser Part No
996-XB5AS9442

Schneider Electric

Emergency Stop Switches / E-Stop Switches KEY RELEASE EMERGENCY STOP WITH RED 40 M

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Datasheet

9In Stock

$132.28

$114.07

$110.60

$110.58

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Min.: 1
Mult.: 1

Emergency Stop Switches

Emergency Stop Switches / E-Stop Switches PUSH BUTTON ENCLOSURE 600VAC 10A XALB SP

XALK178F
Schneider Electric
1: $218.69
11In Stock

Mfr. Part No.
XALK178F

Mouser Part No
996-XALK178F

Schneider Electric

Emergency Stop Switches / E-Stop Switches PUSH BUTTON ENCLOSURE 600VAC 10A XALB SP

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Datasheet

11In Stock

$218.69

$188.51

$185.86

Min.: 1
Mult.: 1

Emergency Stop Switches

Emergency Stop Switches / E-Stop Switches Trigger Action Turn to Release Red 40 mm

XB4BS8442
Schneider Electric
1: $108.21
60In Stock

Mfr. Part No.
XB4BS8442

Mouser Part No
996-XB4BS8442

Schneider Electric

Emergency Stop Switches / E-Stop Switches Trigger Action Turn to Release Red 40 mm

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Datasheet

60In Stock

$108.21

$96.18

$91.41

Min.: 1
Mult.: 1

Emergency Stop Switches

Emergency Stop Switches / E-Stop Switches TRIGGER E-STOP

XB4BS8444
Schneider Electric
1: $89.98
185In Stock

Mfr. Part No.
XB4BS8444

Mouser Part No
996-XB4BS8444

Schneider Electric

Emergency Stop Switches / E-Stop Switches TRIGGER E-STOP

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Datasheet

185In Stock

$89.98

$77.59

$73.16

Quote

Min.: 1
Mult.: 1

Emergency Stop Switches

Panel Mount

Emergency Stop Switches / E-Stop Switches TRIGGER E-STOP W/CB'S

XB4BS84441
Schneider Electric
1: $166.62
22In Stock

Mfr. Part No.
XB4BS84441

Mouser Part No
996-XB4BS84441

Schneider Electric

Emergency Stop Switches / E-Stop Switches TRIGGER E-STOP W/CB'S

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Datasheet

22In Stock

$166.62

$165.13

$138.46

Min.: 1
Mult.: 1

Emergency Stop Switches

Emergency Stop Switches / E-Stop Switches PUSHBUTTON OPERATOR 22MM XB4B

XB4BS8445
Schneider Electric
1: $143.82
30In Stock
18Expected 16/02/2026

Mfr. Part No.
XB4BS8445

Mouser Part No
996-XB4BS8445

Schneider Electric

Emergency Stop Switches / E-Stop Switches PUSHBUTTON OPERATOR 22MM XB4B

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Datasheet

30In Stock

18Expected 16/02/2026

$143.82

$130.94

$128.79

$90.96

Min.: 1
Mult.: 1

Emergency Stop Switches

SPDT

ON - ON

Panel Mount

Emergency Stop Switches / E-Stop Switches Trigger Action Turn to Release Red 40 mm

XB5AS8442
Schneider Electric
1: $113.51
19In Stock

Mfr. Part No.
XB5AS8442

Mouser Part No
996-XB5AS8442

Schneider Electric

Emergency Stop Switches / E-Stop Switches Trigger Action Turn to Release Red 40 mm

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Datasheet

19In Stock

$113.51

$112.60

$91.41

Min.: 1
Mult.: 1

Emergency Stop Switches

SPST

ON - (OFF)

Panel Mount

Emergency Stop Switches / E-Stop Switches E-STOP TTR W/ 2NC E-STOP TTR W/ 2NC

XB5AS8444
Schneider Electric
1: $135.34
29In Stock

Mfr. Part No.
XB5AS8444

Mouser Part No
996-XB5AS8444

Schneider Electric

Emergency Stop Switches / E-Stop Switches E-STOP TTR W/ 2NC E-STOP TTR W/ 2NC

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Datasheet

29In Stock

$135.34

$123.52

$121.22

Min.: 1
Mult.: 1

Emergency Stop Switches

Emergency Stop Switches / E-Stop Switches E-STOP TTR W/ 1 NO & NC

XB5AS8445
Schneider Electric
1: $121.80
14In Stock

Mfr. Part No.
XB5AS8445

Mouser Part No
996-XB5AS8445

Schneider Electric

Emergency Stop Switches / E-Stop Switches E-STOP TTR W/ 1 NO & NC

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Datasheet

14In Stock

$121.80

$105.02

$98.97

$98.62

Min.: 1
Mult.: 1

Emergency Stop Switches

Panel Mount

Keylock Switches TRIGGER ACTION KEY RELEASE 40MM RED

ZB5AS944
Schneider Electric
1: $176.71
11In Stock

Mfr. Part No.
ZB5AS944

Mouser Part No
996-ZB5AS944

Schneider Electric

Keylock Switches TRIGGER ACTION KEY RELEASE 40MM RED

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Datasheet

11In Stock

$176.71

$151.76

$148.81

$145.74

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Min.: 1
Mult.: 1

Keylock Switches

Switch Actuators TRIGGER ACTION TURN TO RELEASE 40MM RED

ZB5AS844
Schneider Electric
1: $77.50
515In Stock
11Expected 17/02/2026

Mfr. Part No.
ZB5AS844

Mouser Part No
996-ZB5AS844

Schneider Electric

Switch Actuators TRIGGER ACTION TURN TO RELEASE 40MM RED

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Datasheet

515In Stock

11Expected 17/02/2026

$77.50

$70.52

$67.92

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Min.: 1
Mult.: 1

Switch Actuators

Turn to Release

Switch Contact Blocks / Switch Kits N/C CONTACT BLOCK

ZBE102
Schneider Electric
1: $16.82
1,672In Stock

Mfr. Part No.
ZBE102

Mouser Part No
996-ZBE102

Schneider Electric

Switch Contact Blocks / Switch Kits N/C CONTACT BLOCK

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Datasheet

1,672In Stock

$16.82

$15.27

$14.15

$13.36

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Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits

SPST

Emergency Stop Switches / E-Stop Switches PUSH BUTTON ENCLSR 600VAC 10A XALB SP

XALK178H7
Schneider Electric
1: $160.10
10In Stock

Mfr. Part No.
XALK178H7

Mouser Part No
996-XALK178H7

Schneider Electric

Emergency Stop Switches / E-Stop Switches PUSH BUTTON ENCLSR 600VAC 10A XALB SP

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Datasheet

10In Stock

$160.10

$150.86

Min.: 1
Mult.: 1

Emergency Stop Switches

Emergency Stop Switches / E-Stop Switches Trigger Action Key Release Red 40 mm

XB4BS9442
Schneider Electric
1: $170.80
5In Stock

Mfr. Part No.
XB4BS9442

Mouser Part No
996-XB4BS9442

Schneider Electric

Emergency Stop Switches / E-Stop Switches Trigger Action Key Release Red 40 mm

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Datasheet

5In Stock

$170.80

$147.25

$142.22

Min.: 1
Mult.: 1

Emergency Stop Switches

Panel Mount

Emergency Stop Switches / E-Stop Switches Trigger ActionPush Pull 40MM

XB4BT842
Schneider Electric
1: $75.99
16In Stock

Mfr. Part No.
XB4BT842

Mouser Part No
996-XB4BT842

Schneider Electric

Emergency Stop Switches / E-Stop Switches Trigger ActionPush Pull 40MM

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Datasheet

16In Stock

$75.99

$67.52

$62.15

$59.82

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Min.: 1
Mult.: 1

Emergency Stop Switches

SPST

ON - (OFF)

Panel Mount

Emergency Stop Switches / E-Stop Switches PUSHBUTTON OPERATOR 22MM XB4B

XB4BT845
Schneider Electric
1: $92.13
4In Stock
15On Order

Mfr. Part No.
XB4BT845

Mouser Part No
996-XB4BT845

Schneider Electric

Emergency Stop Switches / E-Stop Switches PUSHBUTTON OPERATOR 22MM XB4B

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Datasheet

4In Stock

15On Order

$92.13

$80.90

$74.15

Min.: 1
Mult.: 1

Emergency Stop Switches

Panel Mount

Emergency Stop Switches / E-Stop Switches PUSHBUTTON 230VAC 2AMP XB5

XB5AS9445
Schneider Electric
1: $150.66
5In Stock

Mfr. Part No.
XB5AS9445

Mouser Part No
996-XB5AS9445

Schneider Electric

Emergency Stop Switches / E-Stop Switches PUSHBUTTON 230VAC 2AMP XB5

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Datasheet

5In Stock

$150.66

$129.88

$124.16

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Min.: 1
Mult.: 1

Emergency Stop Switches

Panel Mount

Emergency Stop Switches / E-Stop Switches Trigger Action Push Pull Red 40 mm

XB5AT842
Schneider Electric
1: $76.73
13In Stock

Mfr. Part No.
XB5AT842

Mouser Part No
996-XB5AT842

Schneider Electric

Emergency Stop Switches / E-Stop Switches Trigger Action Push Pull Red 40 mm

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Datasheet

13In Stock

$76.73

$66.17

$62.39

$59.82

Min.: 1
Mult.: 1

Emergency Stop Switches

Push-Pull

SPST

ON - (OFF)

Panel Mount

Switch Actuators MUSHROOM PB

ZB4BS844
Schneider Electric
1: $95.46
92In Stock

Mfr. Part No.
ZB4BS844

Mouser Part No
996-ZB4BS844

Schneider Electric

Switch Actuators MUSHROOM PB

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Datasheet

92In Stock

$95.46

$79.27

$72.32

$69.62

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Min.: 1
Mult.: 1

Switch Actuators

Turn to Release

Switch Actuators PUSHBUTTON MUSHROOM HEAD 22MM XB4

ZB4BS84430
Schneider Electric
1: $87.31
100In Stock

Mfr. Part No.
ZB4BS84430

Mouser Part No
996-ZB4BS84430

Schneider Electric

Switch Actuators PUSHBUTTON MUSHROOM HEAD 22MM XB4

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Datasheet

100In Stock

$87.31

$72.27

$68.83

Min.: 1
Mult.: 1

Switch Actuators

Pushbutton

Switch Actuators MUSHROOM PB

ZB4BT84
Schneider Electric
1: $52.69
87In Stock

Mfr. Part No.
ZB4BT84

Mouser Part No
996-ZB4BT84

Schneider Electric

Switch Actuators MUSHROOM PB

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Datasheet

87In Stock

$52.69

$44.09

$42.19

$40.08

View

Min.: 1
Mult.: 1

Switch Actuators

Push-Pull

Switch Contact Blocks / Switch Kits N/O CONTACT BLOCK

ZBE101
Schneider Electric
1: $17.95
863In Stock
485On Order

Mfr. Part No.
ZBE101

Mouser Part No
996-ZBE101

Schneider Electric

Switch Contact Blocks / Switch Kits N/O CONTACT BLOCK

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Datasheet

863In Stock

485On Order

$17.95

$12.04

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits

SPST

Switch Actuators MUSHROOM PB OPERATOR

ZB4BS834
Schneider Electric
1: $95.46
1In Stock

Mfr. Part No.
ZB4BS834

Mouser Part No
996-ZB4BS834

Schneider Electric

Switch Actuators MUSHROOM PB OPERATOR

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Datasheet

1In Stock

$95.46

$83.67

$73.03

$70.29

View

Min.: 1
Mult.: 1

Switch Actuators

Head

Panel Mount

Harmony XB4 & XB5 Emergency Stop Push Buttons

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