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
Subtotal (1 unit)*
£39.35
(exc. VAT)
£47.22
(inc. VAT)
FREE delivery for orders over £50.00
- Plus 540 unit(s) shipping from 01 December 2025
- Plus 194 unit(s) shipping from 01 December 2025
Units | Per unit |
|---|---|
| 1 + | £39.35 |
*price indicative
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- RS Stock No.:
- 425-8449
- Distrelec Article No.:
- 135-12-359
- Mfr. Part No.:
- XB4BS8445
- Brand:
- Schneider Electric
Select all | Attribute | Value |
|---|---|---|
| Brand | Schneider Electric | |
| Mounting Type | Panel Mount | |
| Cutout Diameter | 22mm | |
| Contact Configuration | SPDT | |
| Better World Product | Yes | |
| 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 | |
| Bezel Material | Metal | |
| Switch Operation | Slow Brake | |
| Pole and Throw Configuration | DPST | |
| Height | 47mm | |
| Push Button Diameter | 40mm | |
| Push Button Material | Plastic | |
| Select all | ||
|---|---|---|
Brand Schneider Electric | ||
Mounting Type Panel Mount | ||
Cutout Diameter 22mm | ||
Contact Configuration SPDT | ||
Better World Product Yes | ||
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 | ||
Bezel Material Metal | ||
Switch Operation Slow Brake | ||
Pole and Throw Configuration DPST | ||
Height 47mm | ||
Push Button Diameter 40mm | ||
Push Button Material Plastic | ||
RoHS Status: Exempt
- COO (Country of Origin):
- CZ
Schneider Electric Harmony XB4 Series Emergency Stop Push Button, 22mm Cutout Diameter, 600V AC Voltage Rating - XB4BS8445
Features & Benefits
• 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
• 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?
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
- Schneider Electric Harmony XB4 Series Twist Release Emergency Stop Push Button 22mm Cutout IP67,
- Schneider Electric Harmony XB4 Series Twist Release Emergency Stop Push Button 22mm Cutout IP66,
- Schneider Electric Harmony XB4 Series Pull Release Emergency Stop Push Button 22mm Cutout IP66,
- Schneider Electric Harmony XB4 Series Key Release Emergency Stop Push Button 22mm Cutout IP66,
- Schneider Electric Harmony XB5 Series Twist Release Emergency Stop Push Button 22mm Cutout IP66,
- Siemens SIRIUS ACT 3SU18 Series Twist Release Emergency Stop Push Button 22mm Cutout IP66
- Siemens SIRIUS ACT 3SU11 Series Twist Release Emergency Stop Push Button 22mm Cutout IP66
- ABB 1SFA Series Twist Release Emergency Stop Push Button 22.5mm Cutout IP66 IP69K


