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Siemens 3SE3120-1D Metal-Enclosed Position Switch - Roller Plunger

Siemens 3SE3120-1D metal-enclosed position switch with roller plunger.

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ManufacturerSiemens

Part number3SE3120-1D

Actuator Type Roller Plunger (Type C)

Enclosure Type Metal-Enclosed

Contact Configuration 1 NO + 1 NC

Contact Type Snap-Action

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12-month warranty

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Same-day dispatch

Order by 2pm CST

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

Metal-Enclosed Design Snap-Action Contacts 1NO+1NC Configuration Roller Plunger Actuator (Type C) High Durability

Product description

The Siemens 3SE3120-1D is a heavy-duty, metal-enclosed position switch featuring snap-action contacts. It provides a 1 Normally Open (NO) and 1 Normally Closed (NC) contact arrangement. This model utilizes a Type C roller plunger actuator, which is designed for detecting linear movement with a rolling contact surface for reduced friction.

This position switch is engineered for demanding industrial applications such as automation lines, machine tools, and material handling equipment. The robust metal housing ensures protection against harsh environmental conditions, including dust, oil, and moisture, guaranteeing reliable operation and extended service life.

Stanlo Automation, a veteran-owned distributor of surplus industrial parts, offers the Siemens 3SE3120-1D. We provide reliable and cost-effective solutions to help you maintain your automation systems without compromising on quality.

Technical specifications

Actuator Type	Roller Plunger (Type C)
Enclosure Type	Metal-Enclosed
Contact Configuration	1 NO + 1 NC
Contact Type	Snap-Action
Series	3SE3

Common applications

Machine Tools

Automation Lines

Material Handling

Conveyor Systems

Industrial Machinery

Compatible systems

General automation control systems

Also known as

Siemens 3SE31201D 3SE31201D Limit Switch Siemens Position Sensor

Replaces / compatible with

This switch is suitable for applications requiring a durable, metal-enclosed position switch with a roller plunger actuator. Verify compatibility with existing machine designs.

Technical note

Expert tip

The roller plunger is designed for side-actuation or overtravel detection where a cam guides the plunger.

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Frequently asked questions

What is the advantage of a roller plunger actuator on the Siemens 3SE3120-1D?

The roller plunger actuator on the Siemens 3SE3120-1D reduces friction compared to a standard plunger, allowing for smoother actuation and potentially longer lifespan when encountering cammed surfaces. The Type C designation specifies its dimensions and profile.