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Siemens 3SU1102-0AB40-1FA0 Illuminated Pushbutton - Green, 1NO+1NC

Siemens 22mm round illuminated pushbutton, green, momentary, 1NO+1NC, 24V LED.

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ManufacturerSiemens

Part number3SU1102-0AB40-1FA0

Size 22 mm

Shape Round

Color Green

Actuation Flat momentary

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CAGE: 9NK75

22mm mounting size Illuminated pushbutton Momentary contact 1 NO + 1 NC contacts 24V AC/DC LED Screw terminals

Product description

The Siemens 3SU1102-0AB40-1FA0 is a 22mm round illuminated pushbutton with a green, flat momentary actuator. This model features a combination of 1 normally open (NO) and 1 normally closed (NC) contact, paired with an integrated LED module operating at 24V AC/DC. Connections are made using screw terminals.

This green illuminated pushbutton with dual contacts is versatile for control applications requiring both start/stop or enable/disable functions within a single unit. It's widely utilized in machinery, control panels, and automated systems across various manufacturing sectors.

Stanlo Automation, a veteran-owned source for industrial automation surplus, offers the Siemens 3SU1102-0AB40-1FA0. We provide reliable access to quality components, helping you minimize downtime and control costs with dependable parts.

Technical specifications

Size	22 mm
Shape	Round
Color	Green
Actuation	Flat momentary
Contacts	1 NO + 1 NC
Illumination	LED module with integrated LED
Voltage	24 V AC/DC
Terminal Type	Screw terminal

Common applications

Industrial control

Machine safety

Automation panels

Factory automation

Control stations

Emergency stops (when configured)

Compatible systems

Siemens 3SU1 Series Standard control panels

Also known as

Siemens 3SU1 green illuminated switch 22mm dual contact pushbutton Momentary green operator

Replaces / compatible with

This Siemens 3SU1 series pushbutton can be used to replace similar components within the same series, offering 1 NO and 1 NC contacts with 24V LED illumination.

Technical note

Expert tip

The screw terminals ensure a secure and reliable connection, which is critical for maintaining the integrity of control circuits in harsh industrial environments.

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Frequently asked questions

Can the Siemens 3SU1102-0AB40-1FA0 be used for emergency stop functions?

While the green color typically indicates start or enable, the 1 NO + 1 NC contact configuration of the Siemens 3SU1102-0AB40-1FA0 can be utilized in safety circuits. However, for dedicated emergency stop functions, a red pushbutton with a mushroom head and latching mechanism is usually required by safety standards.