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Siemens 3SE2257-6XX40

MPN3SE2257-6XX40

Active

Safety position switch with separate actuator Molded-plastic-encapsulated short enclosure, 3x(M20x1.5) lateral and face-end operation slow-action contact 1 NC, Pull-out force 5 N Supplied without actuator

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Siemens 3SE2257-6XX40 datasheet (PDF)

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MOQ1 pcs

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

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Specifications

Identification

3SE2257-6XX40 — Identification
Parameter	Value
Product designation	safety position switch
Product brand name	SIRIUS

Switching & Safety

3SE2257-6XX40 — Switching & Safety
Parameter	Value
Auxiliary NO contacts	1
Auxiliary NC contacts	0
Circuit principle	slow-action contacts
Switching function design	positive opening
Active principle	mechanical
Safety-related switching contacts	1
Suitable as safety switch	Yes
Switching contact design	mechanical
Safety-related interface connector	without

Mechanical

3SE2257-6XX40 — Mechanical
Parameter	Value
Actuating element design	without
Mechanical service life (typ. operating cycles)	1 000 000
Enclosure material	glass fiber reinforced thermoplast
Mounting position	any
Fastening method	screw fixing
Length	75 mm
Width	52 mm
Enclosure coating	Other types
Housing design standard	wide

Environmental

3SE2257-6XX40 — Environmental
Parameter	Value
IP protection rating	IP67
Operating temperature range	-30 ... +80 °C
Storage temperature range	-30 ... +80 °C

Wiring

3SE2257-6XX40 — Wiring
Parameter	Value
Electrical connection type	screw-type terminals
Interface connector design	without
Conductor cross-section, finely stranded (with ferrule)	2x (0.75 ... 2.5 mm²)
Conductor cross-section, solid	2x (0.75 ... 2.5 mm²)
Cable entry type	3x (M20 x 1.5)