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Siemens 3SU1102-0AB20-1CA0 Illuminated Pushbutton

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ManufacturerSiemens

Part number3SU1102-0AB20-1CA0

Type Illuminated Pushbutton

Series 3SU1

Mount Size 22 mm

Shape Round

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Veteran-owned

CAGE: 9NK75

22mm round mounting Flat illuminated pushbutton Momentary action Red lens 1 NC contact Integrated 24V AC/DC LED module

Product description

The Siemens 3SU1102-0AB20-1CA0 is a 22mm round illuminated pushbutton from the 3SU1 series. This red, flat pushbutton features momentary contact action and includes a holder. It is equipped with one Normally Closed (NC) contact and an integrated LED module with a 24V AC/DC rating. Connection is made via screw terminals.

This illuminated pushbutton is widely used in control panels, machine interfaces, and automation systems where visual feedback and momentary activation are required. Its applications include status indication, alarm silencing, and initiating short-duration functions in industrial machinery and building automation.

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Technical specifications

Type	Illuminated Pushbutton
Series	3SU1
Mount Size	22 mm
Shape	Round
Actuator Type	Pushbutton, flat
Material	Plastic
Color	Red
Operation	Momentary Contact
LED Voltage	24 V AC/DC
Contacts	1 NC
Terminals	Screw

Common applications

Control panels

Industrial machinery

Machine status indication

Automation systems

Building automation

Operator interfaces

Also known as

Siemens 3SU1 red illuminated pushbutton 3SU11020AB201CA0 Siemens flat pushbutton 24V

Technical note

Expert tip

The integrated LED module simplifies wiring by combining the light source and the contact block, requiring only a 24V AC/DC supply.

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Frequently asked questions

What is the contact configuration and LED specification for the Siemens 3SU1102-0AB20-1CA0?

The Siemens 3SU1102-0AB20-1CA0 illuminated pushbutton features one Normally Closed (NC) contact. It is equipped with an integrated LED module designed to operate at 24 Volts AC or DC, providing visual feedback.