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Siemens 3SE5242-3QV40 — Limit Switches

Siemens 3SE5242-3QV40

MPN3SE5242-3QV40
Active

Safety position switch with separate actuator Plastic enclosure, 50 mm Device connection 2x (M20x 1.5) Slow-action contacts 1 NO+2 NC with 2 LEDs yellow/green 115-230 V AC 5 directions of approaches The matching separate actuator 3SE5000-0AV0. must be ordered separately

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

Identification

3SE5242-3QV40 — Identification
ParameterValue
Product designationMechanical safety switches
Product brand nameSIRIUS

Switching & Safety

3SE5242-3QV40 — Switching & Safety
ParameterValue
Positive opening functionYes
Auxiliary NO contacts1
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

Mechanical

3SE5242-3QV40 — Mechanical
ParameterValue
Actuating element designwithout
Standard-compliant actuator headEN 50047
Repeat accuracy0.05 mm
Enclosure materialplastic
Switch head enclosure materialplastic
Mounting positionany
Fastening methodscrew fixing
Length89 mm
Width50 mm
Minimum actuating force20 N
Enclosure coatingOther types
Housing design standardblock, wide

Environmental

3SE5242-3QV40 — Environmental
ParameterValue
IP protection ratingIP66/IP67
Operating temperature range-25 ... +60 °C
Storage temperature range-40 ... +90 °C
Shock resistance (IEC 60068-2-27)30g / 11 ms
Pollution degreeclass 3

Wiring

3SE5242-3QV40 — Wiring
ParameterValue
Electrical connection typescrew-type terminals
Interface connector designwithout
Conductor cross-section, finely stranded (with ferrule)1x (0.5 ... 1.5 mm²), 2x (0.5 ... 0.75 mm²)
Conductor cross-section, solid1x (0.5 ... 1.5 mm²), 2x (0.5 ... 0.75 mm²)
Cable entry type2x (M20 x 1.5)

Electrical

3SE5242-3QV40 — Electrical
ParameterValue
Rated insulation voltage400 V
Thermal current10 A
Rated operating frequency50 ... 60 Hz
Rated impulse withstand voltage4 kV
DIAZED gG fuse link, continuous current6 A; for a short-circuit current smaller than 400 A
C-characteristic MCB, continuous current1 A; for a short-circuit current smaller than 400 A
Quick DIAZED fuse link, continuous current10 A; for a short-circuit current smaller than 400 A

Specifications

3SE5242-3QV40 — Specifications
ParameterValue
According to IEC 60068-2-60.35 mm/5g
MPN
3SE5242-3QV40