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Siemens 3SU1100-2BM60-1LA0 Momentary Selector Switch

Siemens 3SU1100-2BM60-1LA0 is a 22mm 3-position momentary selector switch.

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ManufacturerSiemens

Part number3SU1100-2BM60-1LA0

Series SIRIUS ACT

Actuator Type Selector Switch

Diameter 22 mm

Positions 3 (I>O<II)

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12-month warranty

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Veteran-owned

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22mm round design Momentary operation 3 positions (I>O<II) 2 NO + 2 NC contacts Screw terminals Plastic construction

Product description

The Siemens 3SU1100-2BM60-1LA0 is a 22mm round, illuminable selector switch from the SIRIUS ACT series, designed for precise operator control. This unit features a white plastic actuator and a short black handle, offering three momentary switch positions indicated as I, O, and II (10:30h/12h/13:30h). It is equipped with two normally open (NO) and two normally closed (NC) contact modules, utilizing secure screw terminals for reliable connections. The switch is designed for panel mounting and features a robust plastic construction.

This momentary selector switch is ideal for applications requiring temporary activation of functions or specific operational states that reset after release. It is commonly used in industrial control panels, machine tools, and automation systems where precise, short-duration control inputs are needed. Its durable design is suitable for manufacturing, processing, and utility environments.

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Technical specifications

Series	SIRIUS ACT
Actuator Type	Selector Switch
Diameter	22 mm
Positions	3 (I>O<II)
Operation	Momentary
Contacts	2 NO, 2 NC
Terminals	Screw Terminal
Material	Plastic

Common applications

Machine control

Industrial automation

Automation systems

Control panels

Temporary function activation

Process control

Compatible systems

Integrates with Siemens SIRIUS ACT control and signaling solutions.

Also known as

Siemens 3SU1 Momentary Switch SIRIUS ACT 3-Position Momentary 3SU1100 Series

Replaces / compatible with

Designed to replace Siemens 3SU1 series momentary selector switches with similar specifications. Compatible with SIRIUS ACT accessories.

Technical note

Expert tip

The I>O<II notation indicates that each position provides a momentary contact action, returning to a center or off-state when released.

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Frequently asked questions

What is the difference between latching and momentary operation for selector switches?

Latching operation means the switch stays in the selected position until manually changed, while momentary operation means the switch returns to its default position once the actuator is released. The 3SU1100-2BM60-1LA0 is a momentary type.