Schneider Electric Harmony XB4 Series Push Button Switch, Spring Return, Through Hole, 22.5 mm Cutout, 1 NO, IP66, 254 V

RS Stock No.:: 346-916
Mfr. Part No.:: XB4BPS51GEX
Brand:: Schneider Electric

Schneider Electric Harmony XB4 Series Push Button Switch, Spring Return, Through Hole, 22.5 mm Cutout, 1 NO, IP66, 254 V

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£149.09

(exc. VAT)

£178.91

(inc. VAT)

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Ready to ship from 25 June 2026

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Units	Per unit
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*price indicative

Schneider Electric Harmony XB Push Buttons

Schneider Electric's high-quality Harmony XB push buttons are a versatile and reliable choice for your control panel needs

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RS Stock No.:: 346-916
Mfr. Part No.:: XB4BPS51GEX
Brand:: Schneider Electric

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Schneider Electric
	Product Type	Push Button Switch
	Switch Operation	Spring Return
	Illuminated	No
	Panel Cutout Size	22.5 mm
	Series	Harmony XB4
	Mount Type	Through Hole
	Contact Configuration	1 NO
	Terminal Type	Screw
	IP Rating	IP66
	Minimum Operating Temperature	-40°C
	Contact AC Voltage	415V ac
	Contact DC Voltage	254V dc
	Maximum Operating Temperature	70°C
	Switch Contact Current	27A
	Width	46.2mm
	Standards/Approvals	UL 60079-31, UL 60079-18, UL 60079-0, IEC 60079-7:2009, IEC 60079-31:2009, IEC 60079-0:2009, EN/IEC 60079-18:2009, CSA C22.2 No 213, ANSI/ISA 12.12.01
	Length	72mm
	Height	3mm

	Select all
	Brand Schneider Electric
	Product Type Push Button Switch
	Switch Operation Spring Return
	Illuminated No
	Panel Cutout Size 22.5 mm
	Series Harmony XB4
	Mount Type Through Hole
	Contact Configuration 1 NO
	Terminal Type Screw
	IP Rating IP66
	Minimum Operating Temperature -40°C
	Contact AC Voltage 415V ac
	Contact DC Voltage 254V dc
	Maximum Operating Temperature 70°C
	Switch Contact Current 27A
	Width 46.2mm
	Standards/Approvals UL 60079-31, UL 60079-18, UL 60079-0, IEC 60079-7:2009, IEC 60079-31:2009, IEC 60079-0:2009, EN/IEC 60079-18:2009, CSA C22.2 No 213, ANSI/ISA 12.12.01
	Length 72mm
	Height 3mm

COO (Country of Origin):: FR

Schneider Electric Harmony Series Push Button Switch, 22mm Panel Cut Out Diameter, 1NO Contact Configuration - XB4BPS51GEX

This push button switch is an essential component for automation and control in various industrial applications. With a round yellow push button and a 22mm diameter that fits standard panel cut-outs, it is designed for through hole mounting. This device ensures quick and reliable operation, featuring a spring return mechanism for effective control. The push button supports a voltage rating of 415V and is rated for IP66, indicating its resistance to dust and water ingress.

Features & Benefits

• Supports a voltage rating of up to 415 V for high voltage usage
• Spring return operation enhances safety and efficiency
• Features a silver alloy contact for longevity and reliability
• Compatible with screw clamp terminals for easy installation

Applications

• Utilised in control panels to manage electrical circuits
• Effective in machinery for operational safety controls
• Ideal for automation systems requiring reliable push-to-operate functions
• Used in environments where dust and moisture resistance is Crucial
• Effectively serves in industrial settings requiring quick response interfaces

What are the temperature limits for operation and storage?

It operates safely between -20°C to +75°C, making it suitable for various environments.

How does the IP rating impact its use in different environments?

The IP66 rating ensures that it can withstand strong water jets and is dust-tight, allowing for deployment in harsh working conditions.

Can this switch be used in applications that require frequent mechanical operation?

Yes, the spring return mechanism ensures durability and reliability during repetitive use, making it suitable for such applications.

What type of contact configuration does this switch feature?

This switch operates with a 1NO configuration, allowing straightforward on/off control in electrical circuits.