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Siemens 3SE2120-1AV00-0AD4 — Limit Switches

Siemens 3SE2120-1AV00-0AD4

MPN3SE2120-1AV00-0AD4

PREASSEMBLED COMBINATION WITH BASIC SWITCH METAL HOUSING, W/O ACTUATOR HEAD WITH CONNECTOR 3SY3131, 6-POLE AND PE PIN ASSIGNM.: PIN1=21,PIN2=22, PIN3=13,PIN4=14 NC=PIN1+2, NO=PIN3+4 PIN5 =PE OF LED, PIN6 UNASSIGNED, PE CONNECTED WITH LED 24V AC/DC, YELLOW, FOR CABLE PLUG 3SY3123

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

3SE2120-1AV00-0AD4 key specifications
ParameterValue
Type of electrical connectionplug, 6-pole + PU, DIN 43651
Supply voltage24 ... 24 V
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 according to standardYes
Reference code according to IEC 81346-2B
Sensing distancemechanical
During operation-30 ... +85 °C

All specifications

3SE2120-1AV00-0AD4 additional specifications
ParameterValue
Mountingscrew fixing
Circuit principlesnap-action contacts
Protection class IPIP67
Length of the sensor117.8 mm
Substance prohibitance07/01/2006
Design of the actuating elementwithout
Design of the switching contactmechanical
Design of the switching functionpositive opening
Suitability for use safety switchYes
Number of switching contacts Safety-Related1
Number of NC contacts for auxiliary contacts1
Number of NO contacts for auxiliary contacts1
MPN
3SE2120-1AV00-0AD4