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Siemens 3SU1100-0AB20-1BA0 Red Flat Momentary Pushbutton - 1 NO

Siemens 22mm red flat momentary pushbutton with 1 NO contact.

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ManufacturerSiemens

Part number3SU1100-0AB20-1BA0

Actuator Type Pushbutton

Shape Round

Size 22 mm

Material Plastic

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12-month warranty

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CAGE: 9NK75

22 mm mounting diameter Flat pushbutton actuator Momentary contact function 1 NO contact Screw terminals Red actuator color

Product description

The Siemens 3SU1100-0AB20-1BA0 is a 22mm round, flat, momentary pushbutton featuring a red plastic actuator. This unit is equipped with a 1 Normally Open (NO) contact and utilizes screw terminals for a robust and secure electrical connection.

This red momentary pushbutton is commonly used for start functions, signaling, or initiating actions in control systems across various industries, including automotive manufacturing, material processing, and building automation.

Stanlo Automation, a trusted veteran-owned supplier, provides this Siemens pushbutton. We specialize in surplus industrial automation parts, ensuring you receive high-quality components with the reliability your operations demand.

Technical specifications

Actuator Type	Pushbutton
Shape	Round
Size	22 mm
Material	Plastic
Color	Red
Actuation	Flat
Contact Type	Momentary
Number of Contacts	1 NO
Terminal Type	Screw terminal

Common applications

Start buttons

Machine activation

Control panels

Industrial signaling

Manufacturing lines

Automotive assembly

Compatible systems

SIRIUS ACT 3SU1 series General purpose control panels

Also known as

Siemens 3SU1 SIRIUS ACT 3SU1100 Red momentary push button 22mm

Replaces / compatible with

Part of the Siemens SIRIUS ACT range, this pushbutton is designed for seamless integration within modern control system architectures. Compatible with other SIRIUS ACT accessories.

Technical note

Expert tip

Ensure screw terminals are tightened to the specified torque (typically 0.8 Nm) to prevent loose connections, especially in high-vibration industrial settings.

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Frequently asked questions

What is the contact configuration for the Siemens 3SU1100-0AB20-1BA0?

The Siemens 3SU1100-0AB20-1BA0 is configured with one Normally Open (NO) momentary contact. The circuit remains open until the button is pressed, at which point it closes.