Schneider Electric Harmony XB4 Series Turn to Release Emergency Stop Push Button, 22.5 mm Cutout, 2 NC, IP66, IP69K,
- RS Stock No.:
- 346-840
- Mfr. Part No.:
- XB4BS8444S47
- Manufacturer:
- Schneider Electric
Subtotal (1 unit)*
SGD139.79
(exc. GST)
SGD152.37
(inc. GST)
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Stocked by manufacturer
- Ready to ship from 25 May 2026
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Units | Per unit |
|---|---|
| 1 + | SGD139.79 |
*price indicative
- RS Stock No.:
- 346-840
- Mfr. Part No.:
- XB4BS8444S47
- Manufacturer:
- Schneider Electric
Specifications
Technical data sheets
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 | |
| Cutout Diameter | 22.5mm | |
| Contact Configuration | 2 NC | |
| Housing Material | Chrome Plated Metal | |
| Push Button Actuation | Turn to Release | |
| Illuminated | No | |
| Series | Harmony XB4 | |
| IP Rating | IP66, IP69K, IP69 | |
| Colour | Red | |
| Terminal Type | Screw Clamp | |
| Contact DC Voltage | 600V dc | |
| Head Style | Standard | |
| Contact AC Voltage | 600V ac | |
| Depth | 82mm | |
| Standards/Approvals | UL 508, IEC 50102, IEC 60947-5-1, CSA C22.2 Nr. 14, IEC 60529, IEC 60364-5-53, IEC 60068-2-6, IEC 60068-2-27, IEC 60536, IEC 60947-5-4, JIS C8201-1, IEC 60947-1, ISO 13850, JIS C8201-5-1, IEC 60947-5-5, IEC 60204-1 | |
| Length | 47mm | |
| Hazardous Area Certification | NO | |
| Head Diameter | 40mm | |
| Width | 40mm | |
| Push Button Material | Zamak | |
| Select all | ||
|---|---|---|
Brand Schneider Electric | ||
Product Type Emergency Stop Push Button | ||
Cutout Diameter 22.5mm | ||
Contact Configuration 2 NC | ||
Housing Material Chrome Plated Metal | ||
Push Button Actuation Turn to Release | ||
Illuminated No | ||
Series Harmony XB4 | ||
IP Rating IP66, IP69K, IP69 | ||
Colour Red | ||
Terminal Type Screw Clamp | ||
Contact DC Voltage 600V dc | ||
Head Style Standard | ||
Contact AC Voltage 600V ac | ||
Depth 82mm | ||
Standards/Approvals UL 508, IEC 50102, IEC 60947-5-1, CSA C22.2 Nr. 14, IEC 60529, IEC 60364-5-53, IEC 60068-2-6, IEC 60068-2-27, IEC 60536, IEC 60947-5-4, JIS C8201-1, IEC 60947-1, ISO 13850, JIS C8201-5-1, IEC 60947-5-5, IEC 60204-1 | ||
Length 47mm | ||
Hazardous Area Certification NO | ||
Head Diameter 40mm | ||
Width 40mm | ||
Push Button Material Zamak | ||
Schneider Electric Harmony Series Emergency Stop Push Button, 22.5mm Cutout Diameter, 2NC Contact Configuration - XB4BS8444S47
This emergency stop push button is an essential safety component, designed to enhance operational security in various industrial settings. With a 22.5mm cutout diameter, it features a mushroom shape for intuitive use. This robust switch operates at a voltage rating of 600 V and adheres to an IP rating of IP66, IP69, and IP69K for high protection against dust and water ingress.
Features & Benefits
• Turn to release mechanism enhances safety and convenience
• 2NC contact configuration allows for reliable switching
• Compatible with a range of applications in automation and industry
• Designed for a supply current of 3 A, suitable for various setups
• 2NC contact configuration allows for reliable switching
• Compatible with a range of applications in automation and industry
• Designed for a supply current of 3 A, suitable for various setups
Applications
• Utilised in emergency shutdown systems for machinery
• Used for safety control in PLC and automation processes
• Applicable in settings requiring Rapid operator intervention
• Essential for industrial environments with high ingress protection needs
• Integrated into control panels across electrical installations
• Used for safety control in PLC and automation processes
• Applicable in settings requiring Rapid operator intervention
• Essential for industrial environments with high ingress protection needs
• Integrated into control panels across electrical installations
What is the significance of the mushroom shape design in the push button?
The mushroom shape allows for easy identification and operation, ensuring quick access during emergencies. This design aids users in rapidly locating the button, enhancing safety in critical situations.
How does the contact configuration impact the function of the switch?
The 2NC (normally closed) configuration ensures that the circuit is interrupted when the button is activated, providing a clear and immediate response in emergency scenarios, which is VITAL for safety.
What environments are suitable for this type of emergency stop switch?
It is suitable for harsh industrial environments, including those with exposure to dust and water, due to its high IP66, IP69, and IP69K ratings, ensuring reliable operation even under difficult conditions.
What is the maximum operational voltage for this safety switch?
The switch is rated for a maximum operational voltage of 600 V, making it suitable for a variety of industrial applications and ensuring compatibility with numerous electrical systems.
How does the supply current specification affect its application?
With a supply current rating of 3 A, it can efficiently handle various electrical loads, making it adaptable for different industrial applications while ensuring safe operation.
Related links
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- Schneider Electric Harmony Series Key Release Emergency Stop Push Button 1 NO/2 NC IP67
- Eaton 185155 Series Turn to Release Emergency Stop Push Button 2 NC IP69K IP65
- Schneider Electric Harmony XB4 Series Key Release Emergency Stop Push Button 22 mm Cutout, 1 NO/1 NC

