3SE51121QV10 The Siemens 3SE51121QV10 is a mechanical safety position switch featuring a durable metal enclosure and IP66/IP67 protection. It offers 1 normally open and 2 normally closed slow-action contacts.
Mfr Part #:

3SE51121QV10

Available from 1 distributors
Mfr Name: Siemens
Siemens
The Siemens 3SE51121QV10 is a mechanical safety position switch featuring a durable metal enclosure and IP66/IP67 protection. It offers 1 normally open and 2 normally closed slow-action contacts.
Total Stock: 1 pcs
$ Price Range: $0.75

3SE51121QV10 Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1 pcs
1 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

3SE51121QV10 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Housing Material
Mounting Type
Operating Temperature
Storage Temperature
Terminal Type

3SE51121QV10 Description

Short technical summary and product information.

The Siemens 3SE51121QV10 is a mechanical safety position switch from the SIRIUS product line, designed for robust industrial applications. It features a metal enclosure with a width of 40 mm and a length of 110 mm, providing IP66/IP67 protection against environmental ingress.

 

This switch is equipped with slow-action contacts, including 1 normally open (NO) and 2 normally closed (NC) contacts, and supports positive opening function for enhanced safety. It has an insulation voltage rating of 400 V and a thermal current rating of 10 A. The switch is designed for screw terminal connections and supports various conductor cross-sections.

 

With a mechanical service life of typically 1,000,000 operating cycles and a repeat accuracy of 0.05 mm, the 3SE51121QV10 ensures reliable operation. It can be mounted in any position and features a standard M20 x 1.5 cable entry. The operating temperature range is -25 to +60 °C.

3SE51121QV10 Quick Information

Product Type: Limit Switch
Series: 3SE5
Canonical Name: Siemens 3SE5 Mechanical Safety Switch
Subcategory: Mechanical Safety Switches

3SE51121QV10 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

3SE51121QV10 Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

3SE51121QV10 Features

  • Metal enclosure with IP66/IP67 protection.
  • 1 NO and 2 NC slow-action contacts.
  • Positive opening function for safety.
  • 400 V insulation voltage rating.
  • Suitable for any mounting position.

3SE51121QV10 Applications

  • Industrial machine safety applications.
  • Position monitoring in automated systems.
  • Safety interlock circuits.
  • Control panel integration.

3SE51121QV10 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the protection class of the 3SE51121QV10?

IP66/IP67.

What is the operating temperature range?

-25 °C to +60 °C.

How many NC and NO contacts does it have?

2 NC and 1 NO auxiliary contacts.

What is the mechanical service life?

1,000,000 operating cycles.

What type of enclosure material is used?

Metal with cathodic dip coating.

What is the rated insulation voltage?

400 V.

What is the thermal current rating?

10 A.

Home
Account

Categories