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Siemens 3SE2120-4XX — Limit Switches

Siemens 3SE2120-4XX

MPN3SE2120-4XX

Position switch Metal enclosure lateral operation

StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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Specifications

Identification

3SE2120-4XX — Identification
ParameterValue
Product designationsafety position switch

Switching & Safety

3SE2120-4XX — Switching & Safety
ParameterValue
Auxiliary NO contacts2
Auxiliary NC contacts2
Circuit principleslow-action contacts
Switching function designpositive opening
Active principlemechanical
Safety-related switching contacts2
Suitable as safety switchYes
Switching contact designmechanical
Safety-related interface connectorwithout

Environmental

3SE2120-4XX — Environmental
ParameterValue
IP protection ratingIP67
Operating temperature range-30 ... +85 °C

Wiring

3SE2120-4XX — Wiring
ParameterValue
Electrical connection typescrew-type terminals
Interface connector designwithout

Mechanical

3SE2120-4XX — Mechanical
ParameterValue
Enclosure materialmetal
Length116.3 mm
Width40 mm
Enclosure coatingpainted
Housing design standarddesign complying with EN 50041
MPN
3SE2120-4XX