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Siemens 3SE5112-0BB01 Metal Position Switch with Plain Plunger

Siemens 3SE5112-0BB01 Metal Position Switch, Plain Plunger

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ManufacturerSiemens

Part number3SE5112-0BB01

Type Position Switch

Enclosure Metal, 40 mm

Standard EN 50041

Connection 1x (M20 x 1.5)

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Metal Enclosure EN 50041 Compliant 1 NO / 1 NC Slow-Action Contacts Stainless Steel Plain Plunger M20 x 1.5 Connection

Product description

The Siemens 3SE5112-0BB01 is a robust position switch featuring a metal enclosure (40 mm) compliant with EN 50041 standards. It offers a device connection via 1x M20 x 1.5 thread and is equipped with 1 normally open (NO) and 1 normally closed (NC) slow-action contacts. The actuator is a plain plunger made of stainless steel, ensuring durability and reliable operation.

This position switch is designed for demanding industrial applications, including machine guarding, limit sensing, and safety interlocks. Its metal construction and standard form factor make it suitable for a wide range of machinery and automation systems where precise position detection is required.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 3SE5112-0BB01. We are committed to providing quality industrial automation components to ensure your systems remain operational and safe.

Technical specifications

Type	Position Switch
Enclosure	Metal, 40 mm
Standard	EN 50041
Connection	1x (M20 x 1.5)
Contacts	1 NO / 1 NC Slow-Action
Actuator	Plain Plunger, Stainless Steel

Common applications

Machine Tooling

Conveyor Systems

Automated Assembly

Packaging Machinery

Industrial Safety Interlocks

Compatible systems

Siemens 3SE5 series switch bases Siemens actuators for EN 50041 switches

Also known as

Siemens Limit Switch 3SE51120BB01 Siemens Safety Switch

Replaces / compatible with

This EN 50041 compliant position switch can often replace other switches of the same form factor. Please consult Siemens documentation for direct replacements or compatible actuators/contact blocks.

Technical note

Expert tip

The slow-action contacts on the 3SE5112-0BB01 provide a controlled transition, which can be crucial for preventing false signals in applications with vibration or precise sequencing requirements.

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Frequently asked questions

What is the purpose of the plain stainless steel plunger on the 3SE5112-0BB01?

The plain stainless steel plunger on the Siemens 3SE5112-0BB01 is designed for direct, linear actuation by moving machine parts. Stainless steel provides durability and resistance to corrosion, ensuring reliable operation in industrial environments.