Schmersal Inc. Datasheets for Limit Switches

Limit switches are electromechanical or solid state devices that require the physical contact of an object with the switch’s actuator to make the contacts change state.
Limit Switches: Learn more

Product Name Notes
Hinge Safety Switch -- TESK Series Metal enclosure
Slack-Wire Switch -- EX-441 Series Suitable for heavy duty
Heavy-Duty Position Switch -- 064 Series
Heavy-Duty Position Switch -- T/M471 Series
Heavy-duty position switches
Medium-Duty Position Switch -- T/M441 Series
Medium-Duty Position Switch -- T/M461 Series
Medium-Duty Position Switch -- T422 Series
Medium-Duty Position Switch -- T452 Series
Medium-Duty Position Switch -- T470 Series
Medium-Duty Position Switch
Medium-Duty Position Switch -- U431 Series
Medium-Duty Position Switch -- U432 Series
Medium-Duty Position Switch -- U433 Series
Medium-Duty Position Switch -- U434 Series
Medium-duty position switches Universal range U - metal enclosure
Position Switch With Thermoplastic Enclosure -- PS116 Series The PS116 is an extremely versatile yet compact and robust limit switch for determining the position of movable machine components or machine guards that can be moved laterally or rotated.
Positive Operation Door Contact -- AZ08 Series 1 Actuating planes Protection class IP20 Thermoplastic enclosure Enclosure with mounting slots Contact pin in actuator bridge Inseparable cover and enclosure Self-cleaning through the frictional movement of the contact bridges...
Positive Operation Door Contact -- AZ14 Series 2 actuating planes Protection class IP20 Thermoplastic enclosure Contact pin in actuator bridge Self-cleaning through the frictional movement of the contact bridges
Positive Operation Door Contact -- AZ13 Series 2 actuating planes Protection class IP20 Thermoplastic enclosure Enclosure with mounting slots Contact pin in actuator bridge Inseparable cover and enclosure Lateral and bottom-side cable entry Self-cleaning through the frictional...
Belt Alignment Switch -- M330 Series
Heavy-Duty Position Switch -- T067 Series
2 Contacts Metal enclosure
Slack-Wire Switch -- 441 Series 2 Contacts Metal enclosure 106 mm x 181 mm x 63 mm Suitable for heavy duty
Belt Alignment Switch -- 441 Series 2 Contacts Metal enclosure Suitable for heavy duty 106 mm x 99 mm x 63 mm ( basic component)
Pull-Wire Switch -- TQ700S Series 2 Contacts vertical mounting wire pull detection Thermoplastic enclosure Large wiring compartment Twisting of towing eye not possible
Heavy-Duty Position Switch -- T136 Series 3-4 Contacts Metal enclosure
Heavy-Duty Position Switch -- T/M250 Series 4 Contacts Metal enclosure
Rotating Spindle Limit Switch -- MSP452 Series 4 Contacts Metal enclosure 2 cable entries 118 mm x 174 mm x 64 mm
Heavy-Duty Position Switch -- T130 Series 6 Contacts Metal enclosure
Medium-Duty Position Switch -- MAF/S441 Series Protection class Mounting position vertical Ambient temperature −30 … +90 Aluminum enclosure, Detection cone Can be actuated from any direction 1 Normally open contact (NO) / 1 Opener (NC) Level...
Belt Alignment Switch -- T.454 Series Cast iron enclosure, 2K paint Exterior parts made of stainless steel 2 switching angles (prewarning, deactivation)
Position Switch With Thermoplastic Enclosure -- 336 Series Design to EN 50041 Thermoplastic enclosure Double-insulated Good resistance to oil and petroleum spirit
Hinge Safety Switch -- TESZ Series Double-insulated Thermoplastic enclosure 111,5 mm x 92 mm x 36 mm Good resistance to oil and petroleum spirit
Flap Safety Switch -- T.C 236 Series Double-insulated Thermoplastic enclosure 30 mm x 88,5 mm x 30 mm Good resistance to oil and petroleum spirit Actuator heads can be repositioned by 4 x 90°
Position Switches With Safety Function -- EX-T335 Series Ex-Zone 1 and 21 Metal enclosure Wide range of alternative actuators Good resistance to oil and petroleum spirit
Position Switches With Safety Function -- EX-355 Series Ex-Zone 2 and 22 Metal enclosure 66,7 mm x 76 mm x 38 mm Wide range of alternative actuators Good resistance to oil and petroleum spirit
Position Switches With Safety Function -- EX-235 Series
Position Switches With Safety Function -- EX-335 Series
Ex-Zone 2 and 22 Metal enclosure Wide range of alternative actuators Good resistance to oil and petroleum spirit
Elevator Positioning System -- USP30 Series for shaft heights up to 30 Wear- and maintenance-free low installation cost / little installation effort Absolute values accurate down to the last millimeter Different interfaces for the connection to...
Pull-Wire Switch -- TQ200 Series for suspended mounting light alloy die-casting enclosure
Light Position Switch -- EX-M330 Series Long life Metal enclosure free of silicon 1 Cable entry M 20 x 1.5 Suitable for low actuating speeds Can be actuated from any direction proved in power station applications...
Positive Operation Door Contact -- AZ15 Series Long life Multiple coding Double-insulated 52 mm x 75 mm x 30 mm Insensitive to soiling Thermoplastic enclosure Large wiring compartment Slotted holes for adjustment, circular holes for location High...
Hinge Safety Switch -- T.V10S 500 Series Metal enclosure 110 mm x 110 mm x 84 mm 3-channel, alternating monitoring Actuator shaft can be turned 360° Good resistance to oil and petroleum spirit
Hinge Safety Switch -- TESF Series Metal enclosure 141 mm x 115 mm x 21,5 mm For left or right hinged doors Good resistance to oil and petroleum spirit Simple mounting, suitable for all conventional profile...
Medium-Duty Position Switch -- 015 Series Metal enclosure 2 Contacts 67 mm x 75 mm x 43 mm ( basic component)
Medium-Duty Position Switch -- 016 Series Metal enclosure 3 Contacts 67 mm x 105 mm x 43 mm ( basic component)
Flap Safety Switch -- T.C 235 Series Metal enclosure 30 mm x 88,5 mm x 30 mm Good resistance to oil and petroleum spirit Actuator heads can be repositioned by 4 x 90°
Medium-Duty Position Switch -- 017 Series Metal enclosure 4 Contacts 67 mm x 130 mm x 43 mm ( basic component)
Hinge Safety Switch -- TV.S 335 Series Metal enclosure 40,5 mm x 107 mm x 65,3 mm Actuator shaft can be turned 360° Good resistance to oil and petroleum spirit Actuator heads can be repositioned by 4...
Hinge Safety Switch -- TV.S 355 Series Metal enclosure 66,7 mm x 107 mm x 65,3 mm Actuator shaft can be turned 360° Good resistance to oil and petroleum spirit Actuator heads can be repositioned by 4...
Hinge Safety Switch -- TV8S 521 Series Metal enclosure 92 mm x 81,5 mm x 27 mm 2 switches in one enclosure Mounting independent of hinge For left or right hinged doors Push-in system (toothed shaft) Variable...
Position Switch With Metal Enclosure -- PS215 Series Metal enclosure Design to EN 50047 Quick connection technology as connection terminals rotated by 45° Simple and quick to adjust the control elements by 45°. cable entry 1 x M20...
Belt Alignment Switch -- EX-454 Series Metal enclosure Ex-Zone 1 and 21
Pull-Wire Switch -- TQ441 Series Metal enclosure One-side operation / wire up to 25 m long
Heavy-Duty Position Switch -- 035 Series Metal enclosure Protection class IP67 3 cable entries M 25 x 1.5 operating shaft with ball bearings 58 mm x 142 mm x 61,5 mm (basic component) Actuator head can...
Position Switch With Metal Enclosure -- PS315 Series Metal enclosure Quick connection technology as connection terminals rotated by 45° Simple and quick to adjust the control elements by 45°. cable entry 1 x M20 x 1,5 Design to...
Belt Alignment Switch -- EX-441 Series Metal enclosure Suitable for heavy duty 106 mm x 99 mm x 63 mm (basic component)
Position Switch With Metal Enclosure -- 235 Series
Safety Position Switch With Metal Enclosure -- 235AS Series
Metal enclosure Wide range of alternative actuators Good resistance to oil and petroleum spirit 30 mm x 63,5 mm x 30 mm
Position Switch With Metal Enclosure -- 332 Series Metal enclosure Wide range of alternative actuators Good resistance to oil and petroleum spirit 40 mm x 76 mm x 40 mm Actuator heads can be repositioned by 4 x...
Position Switch With Metal Enclosure -- 335 Series Metal enclosure Wide range of alternative actuators Good resistance to oil and petroleum spirit 40,5 mm x 76 mm x 38 mm
Safety Position Switch With Metal Enclosure -- 335AS Series Metal enclosure Wide range of alternative actuators Good resistance to oil and petroleum spirit 40,5 mm x 96 mm x 38 mm
Position Switch With Metal Enclosure -- 255 Series Metal enclosure Wide range of alternative actuators Good resistance to oil and petroleum spirit 63 mm x 63,5 mm x 30 mm
Position Switch With Metal Enclosure -- 355 Series Metal enclosure Wide range of alternative actuators Good resistance to oil and petroleum spirit 66,7 mm x 76 mm x 38 mm
Position Switch With Thermoplastic Enclosure -- 256 Series Mounting details to EN 50047 Thermoplastic enclosure Double-insulated 58 mm x 50,5 mm x 31 mm
Pull-Wire Switch -- TQ700 Series Position indicator Thermoplastic enclosure Large wiring compartment Twisting of towing eye not possible one-side operation / wire up to 10 m long One tension force for cable lengths up to...
Belt Alignment Switch -- T/M250 Series Robust design Metal enclosure
Pull-Wire Switch -- TQ900 Series Robust design Metal enclosure Position indicator Large wiring compartment External watertight collar Twisting of towing eye not possible one-side operation / wire up to 50 m long
Light Position Switch -- M330 Series Suitable for low actuating speeds with bellows to protect against heavy soiling Actuator heads can be repositioned by 4 x 90°
Position Switch With Thermoplastic Enclosure -- PS216 Series
Position Switch With Thermoplastic Enclosure -- PS316 Series
thermoplastic enclosure with foldable latching cover Quick connection technology as connection terminals rotated by 45° Simple and quick to adjust the control elements by 45°. cable entry 1 x M20...
Position Switch With Thermoplastic Enclosure -- PS226 Series thermoplastic enclosure with foldable latching cover Quick connection technology as connection terminals rotated by 45° Simple and quick to adjust the control elements by 45°. cable entry 2 x M20...
Position Switch With Thermoplastic Enclosure -- 236 Series Thermoplastic enclosure Good resistance to oil and petroleum spirit Wide range of alternative actuators 30 mm x 58,5 mm x 30 mm
Safety Position Switch With Thermoplastic Enclosure -- 336AS Series Thermoplastic enclosure Wide range of alternative actuators Good resistance to oil and petroleum spirit 40,5 mm x 96 mm x 38 mm
Positive Operation Door Contact -- AZ06 Series transparent cover 1 Actuating planes double-break switch Protection class IP20 Thermoplastic enclosure Contact pin in actuator bridge fixing screws M4 Pozidriv self-forming, undetachable, captive Self-cleaning through the frictional movement of...
Positive Operation Door Contact -- AZ051K (08106) Series transparent cover 1 Actuating planes double-break switch without cable ducts Thermoplastic enclosure Contact pins in the switch Door lock switch/locking device switch fixing screws M4 Pozidriv self-forming, undetachable, captive Self-cleaning...
Positive Operation Door Contact -- AZ06KT Series transparent cover 1 Actuating planes Protection class IP20 Thermoplastic enclosure Contact pin in actuator bridge fixing screws M4 undetachable, captive Fitting dimensions suitable for AZ 06x Protection against accidental contact...
Positive Operation Door Contact -- AZ07 Series transparent cover 1 Actuating planes Protection class IP20 Thermoplastic enclosure Enclosure with mounting slots Contact pin in actuator bridge fixing screws M4 undetachable, captive Fitting dimensions suitable for AZ 06x...
Positive Operation Door Contact -- AZ05 Series transparent cover 1 Actuating planes Thermoplastic enclosure Contact pins in the switch fixing screws M4 undetachable, captive Fitting dimensions suitable for AZ 05x Protection against accidental contact with additional wall...
Gear Switch -- G50/150/G50/G150 Series Various cam shapes for varying switch travel Metal enclosure with impact-resistant plastic hood Available for easy adjustment of switching points by setting disk cams from front
Elevator Positioning System -- USP100 Series Wear- and maintenance-free for shaft heights up to 130 low installation cost / little installation effort Absolute values accurate down to the last millimeter Different interfaces for the connection to...