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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Description Price 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 Stock No. 766-1722
Mfr. Part No.XCSM4115L1
HK$570.00
Each
units
Rotary Lever Yes 2NO/2NC Snap - Cable Metal - 4 - 4P XCSM 34mm 94 x 30 x 34 mm
RS Stock No. 179-9879
Mfr. Part No.XCSA712
HK$1,030.59
Each
units
- - NO/2NC - IP67 M20 Metal 1 3 M20 3P XCSA 114mm 40 x 44 x 114 mm
RS Stock No. 766-1725
Mfr. Part No.XCSM4102L1
HK$600.00
Each
units
Roller Plunger Yes 2NO/2NC Snap - Cable Metal - 4 - 4P XCSM 16mm 70 x 30 x 16 mm
RS Stock No. 766-1615
Mfr. Part No.XCSD3902P20
HK$351.50
Each
units
Roller Plunger Yes NO/2NC Snap - Cable Metal 1 3 M20 x 1.5 3P XCSD 35mm 100 x 34 x 35 mm
RS Stock No. 133-0057
Mfr. Part No.XCSP3702P20
HK$294.63
Each
units
Roller Plunger Yes NO/2NC Slow IP66, IP67 M20 Plastic 1 3 M20 x 1.5 3P XCSP 100mm 34 x 35 x 100 mm
RS Stock No. 132-9184
Mfr. Part No.XCSPL762
HK$391.91
Each
units
Straight Lever Yes 2NC Slow IP67 M16 Nylon 66, Plastic 1 2 M16 x 1.5 DP XCSPL 88mm 30 x 103 x 88 mm
RS Stock No. 766-1728
Mfr. Part No.XCSM4110L1
HK$495.00
Each
units
Plunger Yes 2NO/2NC Snap - Cable Metal - 4 - 4P XCSM 16mm 60 x 30 x 16 mm
RS Stock No. 814-7961
Mfr. Part No.XCSM3710L2
HK$1,012.57
Each
units
Plunger Yes NO/2NC Slow IP66, IP67, IP68 Pre-Cabled Metal 1 3 7 x 0.5 mm² 3P XCSM 60mm 30 x 16 x 60 mm
RS Stock No. 447-4641
Mfr. Part No.XCSM3910L5
HK$630.00
Each
units
Plunger Yes NO/2NC Snap IP66, IP67, IP68 Cable Metal - 3 - - XCSM 16mm 60 x 30 x 16 mm
RS Stock No. 479-3043
Mfr. Part No.XCSM3902L5
HK$555.07
Each
units
Roller Plunger Yes NO/2NC Snap IP67, IP68 Cable Metal - 3 - - XCSM 16mm 70 x 30 x 16 mm
RS Stock No. 133-0058
Mfr. Part No.XCSPL962
HK$445.26
Each
units
Straight Lever Yes NO/2NC Slow IP67 M16 Nylon 66, Plastic 1 3 M16 x 1.5 3P XCSPL 161mm 30 x 30 x 161 mm
RS Stock No. 133-0064
Mfr. Part No.XCSM3702L5
HK$684.61
Each
units
Roller Plunger Yes NO/2NC Slow IP66, IP67, IP68 Cable Metal 1 3 - 3P XCSM 70.4mm 30 x 16 x 70.4 mm
RS Stock No. 766-1712
Mfr. Part No.XCSM3915L1
HK$484.50
Each
units
Rotary Lever Yes NO/2NC Snap - Cable Metal - 3 - 3P XCSM 34mm 94 x 30 x 34 mm
RS Stock No. 132-9183
Mfr. Part No.XCSPL552
HK$383.10
Each
units
Straight Lever Yes NO/NC Slow IP67 M16 Nylon 66, Plastic 1 2 M16 x 1.5 DP XCSPL 161mm 30 x 30 x 161 mm
RS Stock No. 133-0061
Mfr. Part No.XCSM4102L5
HK$712.85
Each
units
Roller Plunger Yes 2NC/2NO Snap IP66, IP67, IP68 Cable Metal 1 4 - 4P XCSM 70.4mm 30 x 16 x 70.4 mm
RS Stock No. 814-7952
Mfr. Part No.XCSM3702L2
HK$1,095.64
Each
units
Roller Plunger Yes NO/2NC Slow IP66, IP67, IP68 Pre-Cabled Metal 1 3 7 x 0.5 mm² 3P XCSM 70.4mm 30 x 16 x 70.4 mm
RS Stock No. 814-7964
Mfr. Part No.XCSM3715L2
HK$1,049.49
Each
units
Roller Lever Yes NO/2NC Slow IP66, IP67, IP68 Pre-Cabled Metal 1 3 7 x 0.5 mm² 3P XCSM 94mm 30 x 32.4 x 94 mm
RS Stock No. 766-1716
Mfr. Part No.XCSM3916L1
HK$520.00
Each
units
Rotary Lever Yes NO/2NC Snap - Cable Metal - 3 - 3P XCSM 34mm 94 x 30 x 34 mm
RS Stock No. 132-9970
Mfr. Part No.XCSPL582
HK$371.64
Each
units
Elbowed Flush Lever Yes NO/NC Slow IP67 M16 Nylon 66, Plastic 1 2 M16 x 1.5 DP XCSPL 161mm 30 x 30 x 161 mm
RS Stock No. 766-1700
Mfr. Part No.XCSM3902L1
HK$513.00
Each
units
Roller Plunger Yes NO/2NC Snap - Cable Metal - 3 - 3P XCSM 16mm 70 x 30 x 16 mm