ABB 1SFA Series, Key Release, Emergency Stop Push Button Head 40 mm Diameter

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£37.55

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£45.06

(inc. VAT)

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  • Plus 6 unit(s) shipping from 27 April 2026
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1 - 4£37.55
5 - 9£35.67
10 - 24£33.78
25 - 49£31.92
50 +£30.05

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RS Stock No.:
757-8894
Mfr. Part No.:
1SFA611525R1101 MPEK4-11R
Brand:
ABB
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Brand

ABB

Product Type

Emergency Stop Push Button Head

Series

1SFA

Cutout Diameter

22mm

Push Button Colour

Red

Push Button Actuation

Key Release

Push Button Style

Mushroom

Push Button Material

Polycarbonate

IP Rating

IP20

Illuminated

No

Push Button Diameter

40mm

Hazardous Area Certification

No

RoHS Status: Exempt

ABB 1SFA Series Emergency Stop Push Button Head, Cutout Diameter 22mm, IP20 - 1SFA611525R1101 MPEK4-11R


This emergency stop push button head is a critical safety device designed for industrial use. With a cutout diameter of 22mm, it features a vibrant red mushroom design poised for easy operation. The key release mechanism ensures controlled access, making it suitable for a variety of applications in the automation and electrical sectors.

Features & Benefits


• Durable polycarbonate construction for extended lifecycle

• Non-illuminated design minimises accidental activation

• Key release mechanism enhances security and safety

• IP20 rating protects against solid object ingress

• Self-cleaning contacts promote reliable, maintenance-free operation

• Simplified, tool-free installation for quick setup

Applications


• Ideal for use in industrial emergency shutdown systems

• Commonly used with machinery requiring immediate stop functions

• Employed in control panels for effective safety management

• Utilised in automation equipment for enhanced operational control

• Applicable in environments where quick access is essential

What environmental conditions can this push button withstand?


It operates effectively in ambient temperatures from -25 to +70 °C, ensuring function in diverse industrial environments. The push button is designed to maintain performance within these temperature ranges, making it suitable for a variety of applications.

How does the key release feature contribute to operational safety?


The key release feature ensures that only authorised personnel can reset the emergency stop function, preventing accidental reactivation and promoting a safer working environment.

What maintenance is required for reliable performance?


Due to its self-cleaning contacts, no regular maintenance is necessary. This feature ensures that the push button remains in proper working condition, reducing downtime and enhancing reliability over time.

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