Skip to content
SIEMENS

SIEMENS 3SE3120-1E Limit Switch 1NO+1NC Roller Lever Snap-Action

PRODUCT PRICE USD
$18.44

Available to order

Stock: 400
Request a Quote

Need multiple units or help confirming a model? Contact our team.

Payments

Available payment methods

  • PayPal
  • Bank transfer

Shop with confidence

30-Day Risk-Free Returns & Exchanges

Shop with complete confidence. Whatever the reason, enjoy hassle-free returns and exchanges within 30 days. We cover all shipping costs for both returns and exchanges—no extra shipping fees, no worries.

View Our Return Policy

Service Guarantee

Shipping

Free standard shipping within the U.S

Shipping details

Estimated delivery

Expected to arrive within 2–15 days

Delivery details

Enjoy greater discounts on bulk orders

Please contact our team for bulk purchases

Contact our team
SIEMENS 3SE3120-1E Limit Switch 1NO+1NC Roller Lever Snap-Action
PRODUCT DOCUMENTATION

Product Information

Technical specifications, features, applications and purchasing information.

Technical Specifications

Brand SIEMENS
Model Number 3SE3120-1E
Product Category Limit Switch
Product Description Metal-Enclosed Position Switch
Contact Action Snap-Action
Contact Configuration 1NO + 1NC
Actuator Type Roller Lever
Net Weight 0.208 kg
Product Lifecycle Discontinued
End of Product Lifecycle April 1, 2005

Key Features

Roller Lever Actuator

The 3SE3120-1E uses a roller lever actuator for mechanically operated position detection.

Snap-Action Contacts

SIEMENS identifies this position switch with snap-action contact operation.

1NO + 1NC Contacts

The documented contact configuration includes one normally open and one normally closed contact.

Metal-Enclosed Design

The manufacturer product description identifies the 3SE3120-1E as a metal-enclosed position switch.

Mechanical Position Switching

The roller lever and switching contacts provide a mechanical position-switching function for applicable machinery and control applications.

Applications

  • Machine position detection
  • Mechanical travel monitoring
  • Industrial equipment position sensing
  • End-position detection
  • Machine control circuits
  • Mechanical actuator monitoring
  • Industrial automation equipment
  • Maintenance of installed control systems

Purchase Information

We support online purchase of the SIEMENS 3SE3120-1E Limit Switch. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.

Frequently Asked Questions

What is SIEMENS 3SE3120-1E?
SIEMENS 3SE3120-1E is a metal-enclosed position switch with snap-action contacts and a roller lever actuator.


What type of product is 3SE3120-1E?
It is a mechanically operated limit and position switch intended for position-detection functions.


What contact configuration does 3SE3120-1E use?
The documented contact configuration is 1NO + 1NC, providing one normally open and one normally closed contact.


What actuator does 3SE3120-1E use?
The switch uses a roller lever actuator.


What type of contact action does 3SE3120-1E have?
SIEMENS specifies snap-action contacts for this model.


Is 3SE3120-1E metal-enclosed?
Yes. The manufacturer product description identifies the switch as metal-enclosed.


What applications can 3SE3120-1E be considered for?
It can be considered for mechanical position detection, travel monitoring, end-position sensing and related machine-control functions after system requirements have been checked.


Is SIEMENS 3SE3120-1E still an active product?
SIEMENS lists the model as discontinued, with the end of its product lifecycle dated April 1, 2005.


What is the documented net weight of 3SE3120-1E?
SIEMENS product information lists a net weight of 0.208 kg.


Can 3SE3120-1E be considered for an existing installation?
It can be considered after the complete model number, contact arrangement, actuator requirements, electrical requirements and mechanical installation requirements have been checked against the existing system.


What should be checked before ordering 3SE3120-1E?
Check the complete model number, required 1NO + 1NC contact arrangement, snap-action operation, roller lever actuator and the electrical and mechanical requirements of the application before purchasing.

?
Need help confirming a model?

Send us your part number and technical requirements.

Contact Our Team