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Select all	Attribute	Value
	Brand	ABB
	Product Type	Emergency Stop Push Button Head
	Cutout Diameter	22.5mm
	Push Button Colour	Red
	Push Button Actuation	Pull Release
	Push Button Style	Mushroom
	Push Button Material	Plastic
	IP Rating	IP20, IP66
	Illuminated	Yes
	Push Button Diameter	40mm
	Hazardous Area Certification	NO

	Select all
	Brand ABB
	Product Type Emergency Stop Push Button Head
	Cutout Diameter 22.5mm
	Push Button Colour Red
	Push Button Actuation Pull Release
	Push Button Style Mushroom
	Push Button Material Plastic
	IP Rating IP20, IP66
	Illuminated Yes
	Push Button Diameter 40mm
	Hazardous Area Certification NO

Datasheet - 1SFA611511R1101

COO (Country of Origin):: BG

ABB Emergency Stop Push Button Head, 40mm Push Button Diameter, 22.5mm Cut-out Diameter - 1SFA611511R1101

This emergency stop push button head provides a clearly visible, manually operated means to interrupt machinery in industrial control panels. Designed for panel mounting in automation and electrical systems, it delivers immediate tactile actuation with an illuminated indicator to show status. The unit is suitable where a prominent, quick-access stop control is required and where hazardous-area certification is not necessary.

Features and Benefits:

• 22.5mm cutout for Compact panel integration
• Illuminated indicator for clear operational status visibility
• Pull release action for deliberate reset after activation
• 40mm red mushroom cap for Rapid manual engagement
• Plastic construction offering corrosion‑resistant handling
• Dual ingress ratings providing internal and external protection

Applications

• Suitable for emergency stop stations in assembly lines
• Ideal for control panels in factory automation racks
• Used with machinery requiring visible stop annunciation
• Can be used for retrofit upgrades of existing control enclosures
• Used for safety interfaces in electrical distribution cabinets

What actuation method does it employ and why does that matter?

It uses a pull‑release mechanism so the operator must perform a deliberate reset action, reducing accidental re‑engagement and ensuring control is restored intentionally.

How does the illumination aid maintenance or diagnostics?

The built‑in light offers immediate Visual confirmation of the button’s state, assisting technicians in locating tripped circuits and speeding fault‑finding during shutdowns.

What ingress protection levels are provided and how do they differ?

It carries IP20 protection for general enclosed‑panel environments and an IP66 rating for resistance to strong jets of water and dust when mounted appropriately, allowing use across varied conditions.

Is this unit suitable for hazardous‑area installations?

It is not certified for hazardous areas, so it should not be specified where explosion‑risk certification is required.

ABB, Pull Release, Emergency Stop Push Button Head 40 mm Diameter

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