Safety Limit Switches

Limit switches operate with the movement of machinery, opening or closing the circuit when movement is detected. Safety limit switches provide a level of risk reduction over regular limit switches, as they have a positive actuation structure, which means that if a fault occurs they will stop conducting the electrical load.

What are safety limit switches used for?

Safety limit switches are used in industrial settings to reduce the risk factor in the event of overcurrent or electrical faults. This can be useful in a wide range of applications, from heating and ventilation to the operation of heavy machinery, where normal limit switches might provide a risk if they continued to conduct electricity in the event of a fault.

Types of safety limit switches

Safety limit switches mainly differ by the type of actuator they have. This can be a hinge, roller, rod or push bolt, for example.They can also vary by the number of contacts and cable entries that they have.


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Beskrivning Pris Actuator Type Actuator Included Normal State Configuration Action Type IP Rating Connection Type Housing Material Number of Cable Entries Number of Contacts Size of Cable Entries Pole and Throw Configuration Series Depth Dimensions
RS-artikelnummer 621-1515
Tillv. art.nrD4N-1120
VarumärkeOmron
210,60 kr
Each
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Roller Lever Yes NO/NC Snap IP67 Screw - - 2 - SPDT D4N 47mm 73 x 31 x 47 mm
RS-artikelnummer 757-9159
Tillv. art.nrD4B4116N
VarumärkeOmron
432,63 kr
Each
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Roller Lever Yes NO/NC Snap - Screw Metal 1 2 M20 DPST D4B-N 43mm 99.5 x 40 x 43 mm
RS-artikelnummer 746-7249
Tillv. art.nrD4N-412G
VarumärkeOmron
243,80 kr
Each
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Roller Lever Yes NO/NC Snap - Screw - - 2 M20 DPST D4N 45mm 64 x 31 x 45 mm
RS-artikelnummer 757-9152
Tillv. art.nrD4B4117N
VarumärkeOmron
397,66 kr
Each
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Rod Lever Yes NO/NC Snap - Screw Metal 1 2 M20 DPST D4B-N 43mm 99.5 x 40 x 43 mm
RS-artikelnummer 621-1559
Tillv. art.nrD4N-1162
VarumärkeOmron
196,73 kr
Each
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Roller Plunger Yes NO/NC Snap IP67 Screw - - 2 - SPDT D4N 31.5mm 83.6 x 31 x 31.5 mm
RS-artikelnummer 836-2731
Tillv. art.nrD4B4A11N
VarumärkeOmron
576,50 kr
Each
Enheter
Roller Lever Yes 2NC Slow IP67 Screw Metal 1 - M20 - D4B 131.3mm 40 x 62 x 131.3 mm
RS-artikelnummer 621-1543
Tillv. art.nrD4N-1132
VarumärkeOmron
185,50 kr
Each
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Roller Plunger Yes NO/NC Snap IP67 Screw - - 2 - SPDT D4N 31.5mm 83.6 x 31 x 31.5 mm
RS-artikelnummer 746-7267
Tillv. art.nrD4N-4172
VarumärkeOmron
202,70 kr
Each
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Roller Lever Yes NO/NC Snap - Screw - - 2 M20 DPST D4N 31.5mm 64 x 31 x 31.5 mm
RS-artikelnummer 621-1565
Tillv. art.nrD4N-1A2H
VarumärkeOmron
352,40 kr
Each
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Roller Lever Yes NO/NC Slow IP67 Screw - - 2 - SPDT D4N - -
RS-artikelnummer 746-7251
Tillv. art.nrD4N-4131
VarumärkeOmron
160,57 kr
Each
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Plunger Yes NO/NC Snap - Screw - - 2 M20 DPST D4N 31.5mm 64 x 31 x 31.5 mm
RS-artikelnummer 746-7255
Tillv. art.nrD4N-4132
VarumärkeOmron
171,70 kr
Each
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Roller Plunger Yes NO/NC Snap - Screw - - 2 M20 DPST D4N 31.5mm 64 x 31 x 31.5 mm
RS-artikelnummer 621-1521
Tillv. art.nrD4N-112G
VarumärkeOmron
259,80 kr
Each
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Roller Lever Yes NO/NC Snap IP67 Screw - - 2 - SPDT D4N 45mm 73 x 31 x 45 mm
RS-artikelnummer 746-7242
Tillv. art.nrD4N-4120
VarumärkeOmron
193,40 kr
Each
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Roller Lever Yes NO/NC Snap - Screw - - 2 M20 DPST D4N 47mm 64 x 31 x 47 mm
RS-artikelnummer 836-2735
Tillv. art.nrD4N112H
VarumärkeOmron
322,60 kr
Each
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Adjust Roller Lever Yes NO/NC Snap IP67 Screw Metal 1 2 PG13.5 DPST D4N 82.5mm 31 x 48.2 x 82.5 mm
RS-artikelnummer 836-2747
Tillv. art.nrD4N1A62
VarumärkeOmron
210,60 kr
Each
Enheter
One Way Roller Arm Lever Yes NO/NC Slow IP67 Screw - 1 2 PG13.5 DPST D4N 92mm 31 x 31.5 x 92 mm
RS-artikelnummer 746-7233
Tillv. art.nrD4N-1A2G
VarumärkeOmron
259,80 kr
Each
Enheter
Roller Lever Yes NO/NC Slow - Screw - - 2 PG13.5 DPST D4N 45mm 64 x 31 x 45 mm
RS-artikelnummer 836-2744
Tillv. art.nrD4N1A32
VarumärkeOmron
185,50 kr
Each
Enheter
Top Roller Plunger Yes NO/NC Slow IP67 Screw - 1 2 PG13.5 DPST D4N 83.6mm 31 x 31.5 x 83.6 mm
RS-artikelnummer 621-1537
Tillv. art.nrD4N-1131
VarumärkeOmron
171,70 kr
Each
Enheter
Plunger Yes NO/NC Snap IP67 Screw - - 2 - SPDT D4N 30mm 73.2 x 31 x 30 mm
RS-artikelnummer 746-7264
Tillv. art.nrD4N-4162
VarumärkeOmron
196,73 kr
Each
Enheter
Roller Lever Yes NO/NC Snap - Screw - - 2 M20 DPST D4N 31.5mm 64 x 31 x 31.5 mm
RS-artikelnummer 746-7273
Tillv. art.nrD4N-4A2G
VarumärkeOmron
243,80 kr
Each
Enheter
Roller Lever Yes NO/NC Slow - Screw - - 2 M20 DPST D4N 45mm 64 x 31 x 45 mm