Skip to main content
Siemens 3SE2120-1D — Limit Switches

Siemens 3SE2120-1D

MPN3SE2120-1D

POSITION SWITCH, METAL-ENCLOSED SNAP-ACTION CONTACTS 1NO+1NC, ROLLER PLUNGER, TYPE C, 1 X M20 X 1.5

StockContact for availability
Lead time3-5 Days wk
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →

Specifications

Identification

3SE2120-1D — Identification
ParameterValue
Product designationposition switch

Switching & Safety

3SE2120-1D — Switching & Safety
ParameterValue
Auxiliary NO contacts1
Auxiliary NC contacts1
Circuit principlesnap-action contacts
Switching function designpositive opening
Active principlemechanical
Safety-related switching contacts1
Suitable as safety switchYes
Switching contact designmechanical
Safety-related interface connectorwithout

Mechanical

3SE2120-1D — Mechanical
ParameterValue
Actuating element designroller plunger
Standard-compliant actuator headEN 50041, design C
Switch head shaperoller
Enclosure materialmetal
Fastening methodscrew fixing
Length118 mm
Width40 mm
Enclosure coatingpainted
Housing design standarddesign complying with EN 50041

Environmental

3SE2120-1D — Environmental
ParameterValue
IP protection ratingIP67
Operating temperature range-30 ... +85 °C

Wiring

3SE2120-1D — Wiring
ParameterValue
Electrical connection typescrew-type terminals
Interface connector designwithout
MPN
3SE2120-1D