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Siemens 3SU1050-1HR20-0AA0 EMERGENCY-OFF Mushroom Pushbutton

Siemens 3SU1050-1HR20-0AA0: 22mm round metal EMERGENCY-OFF mushroom pushbutton.

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ManufacturerSiemens

Part number3SU1050-1HR20-0AA0

Mounting Diameter 22 mm

Head Diameter 40 mm

Actuator Type Mushroom

Color Red

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CAGE: 9NK75

Key-operated emergency stop 40mm metal mushroom head Positive latching Conforms to DIN EN ISO 13850 Siemens C lock with S-10-CG key number High ingress protection (IP66/67/69K)

Product description

The Siemens 3SU1050-1HR20-0AA0 is an EMERGENCY-OFF mushroom pushbutton designed for safety-critical applications. It features a 40mm round, shiny metal, red mushroom head and operates with a Siemens lock (C, lock number S-10-CG) offering key-operated release. This pushbutton ensures positive latching, conforming to DIN EN ISO 13850 standards for reliable emergency stop functionality.

This pushbutton is ideal for use in manufacturing plants, heavy industry, and any environment where immediate machine shutdown is crucial. Its robust metal construction and high ingress protection (IP66, IP67, IP69K) make it suitable for harsh conditions, including washdown areas.

Source your Siemens 3SU1050-1HR20-0AA0 from Stanlo Automation, a veteran-owned distributor committed to providing quality surplus industrial parts. We offer competitive pricing and reliable service to keep your operations running smoothly.

Technical specifications

Mounting Diameter	22 mm
Head Diameter	40 mm
Actuator Type	Mushroom
Color	Red
Latching	Positive Latching
Release	Key-Operated
Lock Type	Siemens C, S-10-CG
Material	Metal, Shiny
IP Rating	IP66, IP67, IP69K

Common applications

Industrial control panels

Machine safety

Emergency shutdown systems

Manufacturing automation

Food & Beverage processing

Hazardous environments

Compatible systems

SIRIUS ACT Control Components

Also known as

Siemens 3SU1050-1HR20-0AA0 E-Stop Button SIRIUS ACT 3SU1050-1HR20-0AA0 Siemens Key E-Stop

Replaces / compatible with

Compatible with Siemens SIRIUS ACT control components. Please consult the Siemens system manual for specific compatibility details.

Technical note

Expert tip

Ensure proper selection of contact modules (sold separately) to achieve the desired safety functions when integrating this emergency stop pushbutton into your control system.

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Frequently asked questions

What type of release mechanism does the Siemens 3SU1050-1HR20-0AA0 pushbutton use?

The Siemens 3SU1050-1HR20-0AA0 features a key-operated release mechanism. This means the button is typically reset by turning a specific key, enhancing safety and preventing accidental unlatching.