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Siemens 3se3120-1u Metal-Enclosed Position Switch

Siemens 3se3120-1u Position Switch with Adjustable Roller Crank.

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ManufacturerSiemens

Part number3SE3120-1U

Actuator Type Adjustable Roller Crank

Contact Configuration 1 NO + 1 NC

Contact Type Snap-Action

Enclosure Material Metal

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Veteran-owned

CAGE: 9NK75

Metal Enclosure Adjustable Roller Crank Snap-Action Contacts 1 NO/1 NC Configuration High IP Rating Robust Industrial Design

Product description

The Siemens 3se3120-1u is a versatile metal-enclosed position switch featuring a 1NO+1NC snap-action contact arrangement. Its key feature is the adjustable-length roller crank actuator, allowing for fine-tuning of the actuation point in various machine setups. Built for durability, this switch ensures reliable performance in demanding industrial environments.

This position switch is commonly employed in automation systems where precise positioning and reliable switching are critical. Applications include machine tool positioning, material handling equipment, and safety interlocks in manufacturing plants.

Stanlo Automation, a proud veteran-owned business, is your trusted source for the Siemens 3se3120-1u. We provide surplus industrial automation components with excellent value and efficient delivery to keep your operations running without interruption.

Technical specifications

Actuator Type	Adjustable Roller Crank
Contact Configuration	1 NO + 1 NC
Contact Type	Snap-Action
Enclosure Material	Metal
Mounting	Surface Mount
IP Rating	IP65
Voltage Rating	400V
Current Rating	10A

Common applications

Machine Guarding

Conveyor Systems

Automation Controls

Material Handling

Packaging Machinery

Robotics

Compatible systems

General Industrial Automation PLC Input Modules Machine Safety Interlocks

Also known as

Siemens 3se3120-1u Actuator Switch Siemens Limit Switch 3se3120-1u

Replaces / compatible with

This part serves as a direct replacement for other Siemens 3SE3 series position switches with similar specifications, particularly those requiring an adjustable roller crank.

Technical note

Expert tip

The adjustable roller crank on the 3se3120-1u allows for customization of the switch's operating point, critical for precise positioning applications.

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Frequently asked questions

What is the main advantage of the Siemens 3se3120-1u position switch?

The primary advantage of the Siemens 3se3120-1u is its adjustable-length roller crank actuator, which allows for precise customization of the switch's actuation point in diverse industrial applications. It also features a durable metal enclosure and reliable 1 NO/1 NC snap-action contacts.