Skip to main content
Siemens 3SE2120-4XX — Limit Switches

Siemens 3SE2120-4XX

MPN3SE2120-4XX

Position switch Metal enclosure lateral operation

Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

3SE2120-4XX key specifications
ParameterValue
Mountingscrew fixing
Type of electrical connectionscrew-type terminals
Coating of the enclosurepainted
Material of the enclosuremetal
Design of the interfacewithout
Design of the interface for safety-related communicationwithout
Width of the sensor40 mm
Design of the housingdesign complying with EN 50041
Design of the housing acc. to standardYes
Sensing distancemechanical
During operation-30 ... +85 °C
Circuit principleslow-action contacts

All specifications

3SE2120-4XX additional specifications
ParameterValue
Protection class IPIP67
Length of the sensor116.3 mm
Design of the switching contactmechanical
Design of the switching functionpositive opening
Design of the operating mechanismseparate actuator
Suitability for use safety switchYes
Reference code acc. to DIN EN 61346-2B
Reference code acc. to DIN EN 81346-2B
Number of switching contacts safety-related2
Number of NC contacts for auxiliary contacts2
Number of NO contacts for auxiliary contacts2
MPN
3SE2120-4XX