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Schneider Electric Harmony XB4 Series Push Button, Spring Return, Panel Mount, 22mm Cutout, SPST, 600V, IP66, IP67,

RS Stock No.:: 330-8616
Distrelec Article No.:: 135-12-321
Mfr. Part No.:: XB4BA21
Brand:: Schneider Electric

Schneider Electric Harmony XB4 Series Push Button, Spring Return, Panel Mount, 22mm Cutout, SPST, 600V, IP66, IP67,

Subtotal (1 unit)*

£13.68

(exc. VAT)

£16.42

(inc. VAT)

FREE delivery for orders over £50.00

Last RS stock

333 left, ready to ship
Plus 84 left, ready to ship from another location
Final 11 unit(s) shipping from 20 October 2025

Units	Per unit
1 +	£13.68

*price indicative

Better World

Our Better World range features products that make it easy for you to make a greener product choice you can trust. Click here to find out more.

RS Stock No.:: 330-8616
Distrelec Article No.:: 135-12-321
Mfr. Part No.:: XB4BA21
Brand:: Schneider Electric

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Schneider Electric
	Switch Operation	Spring Return
	Illuminated	No
	Series	Harmony XB4
	Panel Cut Out Diameter	22mm
	Mounting Type	Panel Mount
	Push Button Colour	Black
	Contact Configuration	SPST
	Voltage Rating	600V
	Push Button Style	Round
	IP Rating	IP66, IP67, IP69(IP69K)
	Push Button Diameter	22mm
	Push Button Material	Chromium Plated Metal
	Contact Current Rating	6A
	Better World Product	Yes
	Better World Verification	Green Premium
	Contact Material	Silver Alloy
	Manufacturer Part No.	XB4BA21
	Legend	(Blank)
	Body Material	Chromium Plated Metal (Bezel)
	Maximum DC Voltage	600V
	Terminal Type	Screw
	Maximum Operating Temperature	+70°C
	Maximum AC Voltage	600V
	Operating Temperature Range	-40 → +70°C
	Minimum Operating Temperature	-40°C

	Select all
	Brand Schneider Electric
	Switch Operation Spring Return
	Illuminated No
	Series Harmony XB4
	Panel Cut Out Diameter 22mm
	Mounting Type Panel Mount
	Push Button Colour Black
	Contact Configuration SPST
	Voltage Rating 600V
	Push Button Style Round
	IP Rating IP66, IP67, IP69(IP69K)
	Push Button Diameter 22mm
	Push Button Material Chromium Plated Metal
	Contact Current Rating 6A
	Better World Product Yes
	Better World Verification Green Premium
	Contact Material Silver Alloy
	Manufacturer Part No. XB4BA21
	Legend (Blank)
	Body Material Chromium Plated Metal (Bezel)
	Maximum DC Voltage 600V
	Terminal Type Screw
	Maximum Operating Temperature +70°C
	Maximum AC Voltage 600V
	Operating Temperature Range -40 → +70°C
	Minimum Operating Temperature -40°C

Schneider Electric Harmony XB4 Series Push Button, 22mm Panel Cut Out Diameter, 600V Voltage Rating - XB4BA21

This push button switch is a durable, spring return actuator designed for panel mounting. Featuring a 22mm diameter, the round, black push button is crafted from chromium plated metal, ensuring longevity in various environments. It operates with a contact configuration of SPST, making it suitable for various electrical applications up to 600V.

Features & Benefits

• Designed for easy integration with panel mounting configurations
• Utilises a spring return mechanism for immediate reset
• Constructed from chromium plated metal for enhanced durability
• Features an IP66, IP67, and IP69K rating for water and dust protection
• Capable of handling a maximum voltage of 600V for versatile applications
• Equipped with screw clamp terminals for secure connections

Applications

• Used in industrial automation panels for control operations
• Suitable for electrical machinery interface commands
• Implemented in demand-responsive equipment requiring push-input
• Appropriate for environments where dust and moisture protection is essential

How does the spring return feature enhance usability in this switch?

The spring return functionality provides immediate reset capabilities, allowing for quick operation without the need for manual intervention, which is essential in fast-paced environments where rapid responses are necessary.

What materials contribute to its environmental resistance?

The use of chromium plated metal not only enhances the aesthetic appeal but also ensures resilience against corrosion, while its IP66, IP67, and IP69K ratings protect it from water and dust ingress.

Which terminal types are compatible with this product?

It accommodates screw clamp terminals, enabling connections of varied wire sizes conforming to EN/IEC 60947-1 standards, facilitating easy installation across different setups.

How can the product's durability be assured in mechanical terms?

With a mechanical durability of up to 10 million cycles, it is designed to withstand extensive use without failure, making it suitable for projects necessitating high reliability.

What are the operational temperature ranges suitable for this switch?

It can operate effectively in temperatures ranging from -40°C to +70°C, ensuring reliable performance in diverse environmental conditions without compromising functionality.

Approvals

UL; CSA

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Schneider Electric Harmony XB4 Series Push Button, Spring Return, Panel Mount, 22mm Cutout, SPST, 600V, IP66, IP67,

FREE delivery for orders over £50.00

Better World

Schneider Electric Harmony XB4 Series Push Button, 22mm Panel Cut Out Diameter, 600V Voltage Rating - XB4BA21

Features & Benefits

Applications

How does the spring return feature enhance usability in this switch?

What materials contribute to its environmental resistance?

Which terminal types are compatible with this product?

How can the product's durability be assured in mechanical terms?

What are the operational temperature ranges suitable for this switch?

Approvals

Related links

Be the first to know about our latest products and services