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Datasheet generated 2026-10-07
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Eaton LSM-11S/S Position Safety Switch with Spring Rod 1 NO + 1 NC

Eaton · Sensors & Instrumentation · Position Switches · Ireland · eaton.com
Part Number
LSM-11S/S  ·  HS 8536.50
Eaton LSM-11S/S Position Safety Switch with Spring Rod 1 NO + 1 NC

Eaton LSM-11S/S is a position safety switch in the LS(M) family with a spring-rod actuator, supplied as a complete unit with one normally-open and one normally-closed contact. Actuation force is 1.0 N at the start of stroke rising to 8.0 N at end of stroke, with a 126 mm actuator length. Screw-terminal connection, IEC/EN 60947-5 certified for machine safety circuits.

Technical Specifications

Manufacturer part number (MPN)LSM-11S/S
EAN / GTIN4015082661397
Sales unitpcs
Package quantity2 pcs
Eaton catalogue number266139
Depth33.5 mm
Height180 mm
Width31 mm
Weight0.193 kg
CertificationsCSA; UL 508; CSA Class No.: 3211-03; CSA-C22.2 No. 14; CSA File No.: 012528; IEC/EN 60947-5; UL; IEC/EN 60947; UL Category Control No.: NKCR; UL File No.: E29184; CE
Actuating force at beginning/end of stroke1.0 N/8.0 N
Actuating torque of rotary drives0.2 Nm
Actuator length126 mm
Actuator typeSpring-rod
Mounting positionAs required
Shock resistance25 g, Standard-action contact, Mechanical, Half-sinusoidal shock 20 ms
Ambient operating temperature - max70 °C
Ambient operating temperature - min-25 °C
Climatic proofingDamp heat, constant, to IEC 60068-2-78; Damp heat, cyclic, to IEC 60068-2-30
Control circuit reliability1 failure per 5,000,000 switching operations (statistically determined, at 5 V DC/1 mA); 1 failure per 10,000,000 switching operations (Statistically determined, at 24 V DC/5 mA)
Number of contacts (change-over contacts)0
Number of contacts (normally closed contacts)1
Number of contacts (normally open contacts)1
Heat dissipation per pole, current-dependent Pvid0.17 W
Rated operational current for specified heat dissipation (In)6 A
Rated insulation voltage (Ui)400 V
Rated operational current (Ie) at AC-15, 220 V, 230 V, 240 V6 A
Rated operational current (Ie) at AC-15, 24 V6 A
Rated operational current (Ie) at AC-15, 380 V, 400 V, 415 V4 A
Rated operational current (Ie) at DC-13, 110 V0.6 A
Rated operational current (Ie) at DC-13, 125 V0.8 A
Rated operational current (Ie) at DC-13, 220 V, 230 V0.3 A
Rated operational current (Ie) at DC-13, 24 V3 A
Short-circuit protection ratingMax. 6 A gG/gL, Fuse, Contacts
Supply frequencyMax. 400 Hz, Contacts
Rated conditional short-circuit current (Iq)1 kA
Electric connection typeCable entry metrical
Enclosure colorYellow Cover
Enclosure materialMetal
FeaturesSnap-action contact
Switch function typeQuick-break switch
Connection typeCage Clamp
Degree of protectionIP66/IP67; NEMA Other
Lifespan8,000,000 mechanical Operations
Operating frequency6000 Operations/h
Overvoltage categoryIII
Pollution degree3
Product categorySpring-rod actuator
Rated impulse withstand voltage (Uimp)4000 V AC
Repetition accuracy0.15 mm (Contacts/switching capacity)
TypePosition switch
Explosion safety category for dustNone
Explosion safety category for gasNone
Terminal capacity (flexible with ferrule)1 x (0.5 - 1.5) mm²
Terminal capacity (solid)1 x (0.5 - 2.5) mm²
Switching functionQuick-break switch
Rated operation current Ie at AC-15, 230 V6 A
Rated operation current Ie at DC-13, 230 V0.3 A
Housing materialMetal
Suitable for safety functionsYes
With status indicationNo
Type of interface for safety communicationNone
Type of electric connectionCable entry metrical
Construction type housingCuboid
Forced openingNo
Type of control elementSpring-rod
Type of interfaceNone
Output electronicNo
Rated operation current Ie at AC-15, 125 V6 A
Rated operation current Ie at AC-15, 24 V6 A
Rated operation current Ie at DC-13, 125 V0.8 A
Rated operation current Ie at DC-13, 24 V3 A
Width sensor31 mm
Height of sensor61 mm
Length of sensor33.5 mm
Switching function latchingNo
Ambient temperature during operating25–70 °C
Number of contacts as normally closed contact1
Number of contacts as normally open contact1
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents