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Siemens 3SB3500-1TA20 22mm Metal Latching Emergency Stop Button

Siemens 22mm metal emergency stop pushbutton, 40mm mushroom, pull-to-unlock latching.

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ManufacturerSiemens

Part number3SB3500-1TA20

Actuator Type Mushroom Pushbutton

Head Size 40mm

Mounting Diameter 22mm

Actuator Material Metal

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12-month warranty

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Veteran-owned

CAGE: 9NK75

22mm metal round actuator 40mm mushroom head Latching with pull-to-unlock mechanism Red color Solvent-resistant Includes holder

Product description

The Siemens 3SB3500-1TA20 is a 22mm metal round actuator designed as an emergency stop mushroom pushbutton. It features a 40mm mushroom head and operates with a latching mechanism that requires a pull to unlock. This actuator is also solvent-resistant and includes a holder.

This component is ideal for safety-critical applications in environments where quick and intuitive operation of emergency stops is needed. Its robust, solvent-resistant metal construction makes it suitable for demanding industrial settings, including chemical processing and manufacturing.

Stanlo Automation, a veteran-owned business specializing in surplus industrial automation parts, provides access to reliable components like the Siemens 3SB3500-1TA20. Trust us for your critical spare part needs.

Technical specifications

Actuator Type	Mushroom Pushbutton
Head Size	40mm
Mounting Diameter	22mm
Actuator Material	Metal
Operation	Latching (Pull-to-unlock)
Color	Red
Solvent Resistance	Yes
Illumination	No

Common applications

Industrial machinery

Control panels

Safety circuits

Chemical plants

Manufacturing facilities

Automotive production

Food processing

Compatible systems

Compatible with Siemens 3SB3 series mounting holders and contact blocks.

Also known as

3SB3 500-1TA20 Siemens E-Stop Button 22mm Safety Switch Metal Mushroom E-Stop

Replaces / compatible with

This phased-out product has successors in the SIRIUS ACT 3SU1 series, with 3SU1050-1HA20-0AA0 and 3SU1550-0AA10-0AA0 being the preferred replacement types.

Technical note

Expert tip

The solvent-resistant properties of this actuator make it suitable for use in washdown environments or areas exposed to cleaning agents.

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Frequently asked questions

How does the Siemens 3SB3500-1TA20 emergency stop pushbutton operate?

The 3SB3500-1TA20 is a latching emergency stop pushbutton. Once pressed, it remains in the activated state until manually pulled outward to reset the mechanism, ensuring safety in critical situations.