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Schneider Electric Harmony XB4 Series Twist Release Emergency Stop Push Button, Panel Mount, 22mm Cutout, SPDT, IP66,

RS Stock No.:: 425-8449
Distrelec Article No.:: 135-12-359
Mfr. Part No.:: XB4BS8445
Brand:: Schneider Electric

Schneider Electric Harmony XB4 Series Twist Release Emergency Stop Push Button, Panel Mount, 22mm Cutout, SPDT, IP66,

Subtotal (1 unit)*

£39.35

(exc. VAT)

£47.22

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

38 unit(s) ready to ship
Plus 162 unit(s) ready to ship from another location
Plus 69 unit(s) shipping from 02 October 2025

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£39.35

*price indicative

Better World

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Alternative

This product is not currently available. Here is our alternative recommendation.

Schneider Electric Harmony XB4 Series Pull Release Emergency Stop Push Button, Panel Mount, 22mm Cutout, SPDT, IP66,

RS Stock No.: 609-5600

Each

£40.58

(exc. VAT)

£48.70

(inc. VAT)

RS Stock No.:: 425-8449
Distrelec Article No.:: 135-12-359
Mfr. Part No.:: XB4BS8445
Brand:: Schneider Electric

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Schneider Electric
	Mounting Type	Panel Mount
	Cutout Diameter	22mm
	Better World Product	Yes
	Contact Configuration	SPDT
	Push Button Actuation	Twist Release
	Voltage Rating	600 V ac, 600V dc
	Illuminated	No
	Series	Harmony XB4
	IP Rating	IP66, IP67, IP69(IP69K)
	Colour	Red
	Push Button Shape	mushroom
	Supply Current	3A
	Depth	82mm
	Width	40mm
	Better World Verification	Green Premium
	Height	47mm
	Push Button Material	Plastic
	Pole and Throw Configuration	DPST
	Bezel Material	Metal
	Switch Operation	Slow Brake
	Push Button Diameter	40mm

	Select all
	Brand Schneider Electric
	Mounting Type Panel Mount
	Cutout Diameter 22mm
	Better World Product Yes
	Contact Configuration SPDT
	Push Button Actuation Twist Release
	Voltage Rating 600 V ac, 600V dc
	Illuminated No
	Series Harmony XB4
	IP Rating IP66, IP67, IP69(IP69K)
	Colour Red
	Push Button Shape mushroom
	Supply Current 3A
	Depth 82mm
	Width 40mm
	Better World Verification Green Premium
	Height 47mm
	Push Button Material Plastic
	Pole and Throw Configuration DPST
	Bezel Material Metal
	Switch Operation Slow Brake
	Push Button Diameter 40mm

Schneider Electric Harmony XB4 Series Emergency Stop Push Button, 22mm Cutout Diameter, 600V AC Voltage Rating - XB4BS8445

This emergency stop push button is an essential component designed for safety in electrical and mechanical applications. The panel mount push button switch features a red mushroom head design with a diameter of 40mm, ensuring visibility during urgent situations. It requires a 22mm cutout for installation and operates on a voltage rating of 600V AC and 600V DC. With dimensions of 47mm in height, 40mm in width, and 82mm in depth, this device is suitable for various industrial uses.

Features & Benefits

• Designed for emergency stop functions with SPDT push button configuration
• Twist release mechanism enhances safe operation
• IP66, IP67, and IP69 rated for water and dust resistance
• DPST push button actuator provides dual functionality
• Screw clamp terminals enable secure and easy connections
• High mechanical durability of 300,000 cycles for long-lasting use

Applications

• Used within control panels for machinery in manufacturing
• Employed in robotic systems for safety shutdowns
• Applicable in electrical enclosures for effective emergency stops
• Ideal for automation systems requiring rapid response capabilities

How does the twist release feature improve safety during operation?

The twist release feature prevents accidental activation, ensuring that the emergency stop function is only engaged when intentionally operated, thus reducing the risk of unintended shutdowns during critical tasks.

What is the importance of the IP66, IP67, and IP69 ratings for this push button?

The high IP ratings indicate that the push button is dust-tight and can withstand high-pressure water jets, making it suitable for use in harsh environments, thereby maintaining reliability and safety.

Can this push button be used in high-temperature settings?

Yes, it is capable of operating in ambient temperatures ranging from -40°C to 70°C, accommodating a wide range of environmental conditions typical in industrial applications.

What are the connection options available for this push button?

This device features screw clamp terminals suitable for various wire sizes, simplifying the installation process and ensuring secure electrical connections as per IEC standards.

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Schneider Electric Harmony XB4 Series Twist Release Emergency Stop Push Button, Panel Mount, 22mm Cutout, SPDT, IP66,

FREE delivery for orders over £50.00

Better World

Alternative

Schneider Electric Harmony XB4 Series Emergency Stop Push Button, 22mm Cutout Diameter, 600V AC Voltage Rating - XB4BS8445

Features & Benefits

Applications

How does the twist release feature improve safety during operation?

What is the importance of the IP66, IP67, and IP69 ratings for this push button?

Can this push button be used in high-temperature settings?

What are the connection options available for this push button?

Related links

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