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Siemens 3SE2100-1B — Limit Switches

Siemens 3SE2100-1B

MPN3SE2100-1B

POSITION SWITCH, METAL-ENCLOSED SNAP-ACTION CONTACTS 1NO+1NC PLUNGER, 3 X M20 X 1,5

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

Identification

3SE2100-1B — Identification
ParameterValue
Product designationposition switch

Switching & Safety

3SE2100-1B — 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

3SE2100-1B — Mechanical
ParameterValue
Actuating element designplunger
Switch head shaperounded
Enclosure materialmetal
Fastening methodscrew fixing
Length85 mm
Width56 mm
Enclosure coatingpainted
Housing design standardblock, wide

Environmental

3SE2100-1B — Environmental
ParameterValue
IP protection ratingIP67
Operating temperature range-30 ... +85 °C

Wiring

3SE2100-1B — Wiring
ParameterValue
Electrical connection typescrew-type terminals
Interface connector designwithout
MPN
3SE2100-1B