Safety Limit Switches

pLimit 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. /pph2What are safety limit switches used for?/h2/ppSafety 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./pph2Types of safety limit switches/h2/ppSafety limit switches mainly differ by the type of a href="/web/c/pneumatics-hydraulics-power-transmission/pneumatic-cylinders-actuators/" target="_self"actuator /athey 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. /p

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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. 179-7570
BrandRS PRO
$34.43
Each
units
Roller Lever Yes NO/NC Snap IP67 - Glass Fibre Reinforced Plastic - - - - - 107mm 31 x 47.5 x 107 mm
RS Stock No. 179-7561
BrandRS PRO
$45.90
Each
units
- - 2NC/NO Slow IP67 Screw Plastic - - - - - 95mm 31 x 31 x 95 mm
RS Stock No. 179-7563
BrandRS PRO
$45.90
Each
units
- - NO/NC Slow IP67 Screw Plastic - - - - - 95mm 31 x 31 x 95 mm
RS Stock No. 179-7568
BrandRS PRO
$30.99
Each
units
Plunger Yes NO/NC Snap IP67 - Glass Fibre Reinforced Plastic - - - - - 74.5mm 31 x 31 x 74.5 mm
RS Stock No. 179-7566
BrandRS PRO
$41.31
Each
units
Roller Arm Lever Yes NO/NC Snap IP67 - Glass Fibre Reinforced Plastic - - - - - 89mm 31 x 31 x 89 mm
RS Stock No. 179-7569
BrandRS PRO
$34.43
Each
units
Roller Lever Yes NO/NC Snap IP67 - Glass Fibre Reinforced Plastic - - - - - 62mm 31 x 45 x 62 mm
RS Stock No. 179-7562
BrandRS PRO
$45.90
Each
units
- - 2NC Slow IP67 Screw Plastic - - - - - 95mm 31 x 31 x 95 mm
RS Stock No. 179-7567
BrandRS PRO
$30.99
Each
units
Roller Plunger Yes NO/NC Snap IP67 - Glass Fibre Reinforced Plastic - - - - - 84.5mm 31 x 30.5 x 84.5 mm
RS Stock No. 179-7565
BrandRS PRO
$41.31
Each
units
Cat Whisker Yes NO/NC Snap IP67 - Glass Fibre Reinforced Plastic - - - - - 172mm 31 x 31 x 172 mm
RS Stock No. 746-7245
Mfr. Part No.D4N-4122
BrandOmron
$78.92
Each
units
Roller Lever Yes NO/NC Snap - Screw - - 2 M20 DPST D4N 45mm 64 x 31 x 45 mm
RS Stock No. 766-1615
Mfr. Part No.XCSD3902P20
$142.94
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. 410-7379
Mfr. Part No.I88-U1Z RIWK
$40.92
Each
units
Roller Plunger Yes NO/NC Slow IP65 Screw Fibreglass 1 2 M20 x 1.5 - I88 SU/U 30.5mm 62 x 22 x 30.5 mm
RS Stock No. 746-7261
Mfr. Part No.D4N-4180
BrandOmron
$80.27
Each
units
Cat's Whisker Yes NO/NC Snap - Screw - - 2 - DPST D4N 31.5mm 64 x 31 x 31.5 mm
RS Stock No. 766-1731
Mfr. Part No.XCSM4116L1
$196.40
Each
units
Rotary Lever Yes 2NO/2NC Snap - Cable Metal - 4 - 4P XCSM 34mm 94 x 30 x 34 mm
RS Stock No. 621-1515
Mfr. Part No.D4N-1120
BrandOmron
$70.86
Each
units
Roller Lever Yes NO/NC Snap IP67 Screw - - 2 - SPDT D4N 47mm 73 x 31 x 47 mm
RS Stock No. 621-1565
Mfr. Part No.D4N-1A2H
BrandOmron
$96.57
Each
units
Roller Lever Yes NO/NC Slow IP67 Screw - - 2 - SPDT D4N - -
RS Stock No. 621-1521
Mfr. Part No.D4N-112G
BrandOmron
$80.47
Each
units
Roller Lever Yes NO/NC Snap IP67 Screw - - 2 - SPDT D4N 45mm 73 x 31 x 45 mm
RS Stock No. 746-7255
Mfr. Part No.D4N-4132
BrandOmron
$53.66
Each
units
Roller Plunger Yes NO/NC Snap - Screw - - 2 M20 DPST D4N 31.5mm 64 x 31 x 31.5 mm
RS Stock No. 746-7249
Mfr. Part No.D4N-412G
BrandOmron
$78.93
Each
units
Roller Lever Yes NO/NC Snap - Screw - - 2 M20 DPST D4N 45mm 64 x 31 x 45 mm
RS Stock No. 766-1725
Mfr. Part No.XCSM4102L1
$187.56
Each
units
Roller Plunger Yes 2NO/2NC Snap - Cable Metal - 4 - 4P XCSM 16mm 70 x 30 x 16 mm
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