Schneider Electric Harmony Series Turn to Release Emergency Stop Push Button, 1 NC, IP69K, IP67, IP66

RS Stock No.:: 276-2499
Mfr. Part No.:: XALK1781H29
Brand:: Schneider Electric

Schneider Electric Harmony Series Turn to Release Emergency Stop Push Button, 1 NC, IP69K, IP67, IP66

Subtotal (1 unit)*

£44.54

(exc. VAT)

£53.45

(inc. VAT)

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Plus 4 unit(s) shipping from 08 June 2026
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Units	Per unit
1 +	£44.54

*price indicative

Complete Your Emergency Stop Assembly with SE Push Button Contact Blocks

Achieve dependable emergency shutdown performance by pairing Schneider Electric emergency stop push buttons with certified push button contact blocks — precision-engineered for safety and compliance.

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RS Stock No.:: 276-2499
Mfr. Part No.:: XALK1781H29
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	Emergency Stop Push Button
	Contact Configuration	1 NC
	Housing Material	Polycarbonate
	Push Button Actuation	Turn to Release
	Series	Harmony
	Illuminated	No
	IP Rating	IP69K, IP67, IP66
	Colour	Grey, Yellow
	Terminal Type	Screw
	Contact AC Voltage	600V ac
	Contact Current	6A
	Head Style	Mushroom
	Contact DC Voltage	600V dc
	Head Diameter	40mm
	Length	65.5mm
	Hazardous Area Certification	NO
	Standards/Approvals	EN/IEC 60947-5-4 etc, EN/IEC 60947-1
	Width	58mm
	Push Button Material	Polycarbonate
	Safety Contacts	1

	Select all
	Brand Schneider Electric
	Product Type Emergency Stop Push Button
	Contact Configuration 1 NC
	Housing Material Polycarbonate
	Push Button Actuation Turn to Release
	Series Harmony
	Illuminated No
	IP Rating IP69K, IP67, IP66
	Colour Grey, Yellow
	Terminal Type Screw
	Contact AC Voltage 600V ac
	Contact Current 6A
	Head Style Mushroom
	Contact DC Voltage 600V dc
	Head Diameter 40mm
	Length 65.5mm
	Hazardous Area Certification NO
	Standards/Approvals EN/IEC 60947-5-4 etc, EN/IEC 60947-1
	Width 58mm
	Push Button Material Polycarbonate
	Safety Contacts 1

RoHS Status: Exempt

COO (Country of Origin):: CZ

Schneider Electric XALK Series Emergency Stop Push Button, 1 NC Contact Configuration, IP66 / IP67 / IP69(IP69K) - XALK1781H29

This emergency stop push button is designed for safety in industrial environments. Featuring a mushroom head design with a diameter of 40mm, it operates with a turn-to-release mechanism. Constructed from durable polycarbonate, the button is suitable for high-pressure washing and harsh conditions, offering an IP66, IP67, and IP69K rating. This ensures functionality in challenging applications.

Features & Benefits

• Turn-to-release mechanism allows prompt emergency response

• Water-resistant design suitable for outdoor and industrial use

• Compatible with 22mm control units for straightforward integration

• Rated for 600V providing high voltage capability

• Slow-break contact operation ensures safe power disconnection

• Compact size permits versatile installation options

Applications

• Used for emergency shutdowns in machinery

• Ideal for control stations requiring immediate stopping function

• Common in assembly lines where safety is essential

• Suitable for environments with high pressure or water exposure

Can it withstand harsh environmental conditions?

Yes, it has an IP66, IP67, and IP69K rating.

Is it easy to install in existing control panels?

Yes, it's designed for compatibility with standard control units.

Will it function correctly under high voltage?

It is rated for up to 600V for dependable operation.

Does it require a specific tool for installation?

It can be installed using standard cross-compatible screwdrivers.

How durable is this button against mechanical wear?

It offers a mechanical durability rating of 300,000 cycles.