
Siemens 3SE2120-1UW04-0AC4
MPN3SE2120-1UW04-0AC4
Position switch Metal enclosure 1 x M20 x 1.5 Snap-action contacts 1 NO+1 NC Twist lever, adjustable length and M12 connector 4-pole, fixed Pin assignment: Pin1=21, Pin2=22 Pin3=13, Pin4=14 NC=Pin1+2, NO=Pin3+4
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
| Parameter | Value |
|---|---|
| Type of electrical connection | M12 plug, fixed, 4-pole |
| Coating of the enclosure | painted |
| Material of the enclosure | metal |
| Design of the interface | without |
| Design of the interface for Safety-Related communication | without |
| Width of the sensor | 40 mm |
| Design of the housing | design complying with EN 50041 |
| Design of the housing according to standard | Yes |
| Reference code according to IEC 81346-2 | B |
| Sensing distance | mechanical |
| During operation | -30 ... +85 °C |
| Mounting | screw fixing |
All specifications
| Parameter | Value |
|---|---|
| Circuit principle | snap-action contacts |
| Protection class IP | IP67 |
| Length of the sensor | 197 mm |
| Substance prohibitance | 07/01/2006 |
| Design of the actuating element | twist lever, adjustable length, hole spacing |
| Design of the switching contact | mechanical |
| Design of the switching function | CO contact |
| Suitability for use safety switch | Yes |
| Number of switching contacts Safety-Related | 1 |
| Number of NC contacts for auxiliary contacts | 1 |
| Number of NO contacts for auxiliary contacts | 1 |
MPN
3SE2120-1UW04-0AC4