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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Omschrijving Prijs 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-stocknr. 746-7242
FabrikantnummerD4N-4120
FabrikantOmron
€ 17,39
Each
Aantal stuks
Roller Lever Yes NO/NC Snap - Screw - - 2 M20 DPST D4N 47mm 64 x 31 x 47 mm
RS-stocknr. 757-9140
FabrikantnummerD4B4111N
FabrikantOmron
€ 48,86
Each
Aantal stuks
Roller Lever Yes NO/NC Snap - Screw Metal 1 2 M20 DPST D4B-N 43mm 99.5 x 40 x 43 mm
RS-stocknr. 757-9159
FabrikantnummerD4B4116N
FabrikantOmron
€ 57,20
Each
Aantal stuks
Roller Lever Yes NO/NC Snap - Screw Metal 1 2 M20 DPST D4B-N 43mm 99.5 x 40 x 43 mm
RS-stocknr. 621-1521
FabrikantnummerD4N-112G
FabrikantOmron
€ 21,56
Each
Aantal stuks
Roller Lever Yes NO/NC Snap IP67 Screw - - 2 - SPDT D4N 45mm 73 x 31 x 45 mm
RS-stocknr. 621-1515
FabrikantnummerD4N-1120
FabrikantOmron
€ 17,39
Each
Aantal stuks
Roller Lever Yes NO/NC Snap IP67 Screw - - 2 - SPDT D4N 47mm 73 x 31 x 47 mm
RS-stocknr. 410-7391
FabrikantnummerI88-SU1Z RIWK
FabrikantBernstein AG
€ 25,36
Each
Aantal stuks
Roller Plunger Yes NO/NC Snap IP65 Screw Fibreglass 1 2 M20 x 1.5 - I88 SU/U 30.5mm 62 x 22 x 30.5 mm
RS-stocknr. 749-7666
Fabrikantnummer3SE5232-0HK21
FabrikantSiemens
€ 32,60
Each
Aantal stuks
Twist Lever Yes NO/NC - IP65 Screw Plastic - - - DPST 3SE5 33mm 75.7 x 31 x 33 mm
RS-stocknr. 749-7634
Fabrikantnummer3SE5122-0CF01
FabrikantSiemens
€ 52,80
Each
Aantal stuks
Roller Lever Yes NO/NC - IP66, IP67 Screw Metal - - - DPST 3SE5 37.8mm 85.7 x 56 x 37.8 mm
RS-stocknr. 746-7255
FabrikantnummerD4N-4132
FabrikantOmron
€ 15,51
Each
Aantal stuks
Roller Plunger Yes NO/NC Snap - Screw - - 2 M20 DPST D4N 31.5mm 64 x 31 x 31.5 mm
RS-stocknr. 410-6865
FabrikantnummerC2-A2Z R
FabrikantBernstein AG
€ 19,15
Each
Aantal stuks
Roller Tappet Yes 2NC Slow IP20 Screw Fibreglass 1 2 8.5 x 3.5 mm - C2 21mm 44 x 26 x 21 mm
RS-stocknr. 498-5567
Fabrikantnummer440P-MTAS11B
€ 35,70
Each
Aantal stuks
Telescope Arm Yes NO/NC Snap - - Metal - 2 M20 - 440P 43mm 71 x 40 x 43 mm
RS-stocknr. 698-8779
FabrikantnummerEX-ZS 335-11Z-3G/D
FabrikantSchmersal
€ 56,71
Each
Aantal stuks
Plunger Yes NO/NC Snap - Screw Metal 1 2 M20 x 1.5 DP EX-ZS 335 38mm 66.5 x 40.5 x 38 mm
RS-stocknr. 410-7048
FabrikantnummerENM2-SU1Z RIW
FabrikantBernstein AG
€ 38,19
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 202-3847
FabrikantnummerGHG2610005R0005
FabrikantCEAG
€ 277,89
Each
Aantal stuks
- - NO/2NC - - Screw Polyamide 2 3 M20 3P - 112mm 102 x 84 x 112 mm
RS-stocknr. 621-1543
FabrikantnummerD4N-1132
FabrikantOmron
€ 15,51
Each
Aantal stuks
Roller Plunger Yes NO/NC Snap IP67 Screw - - 2 - SPDT D4N 31.5mm 83.6 x 31 x 31.5 mm
RS-stocknr. 746-7261
FabrikantnummerD4N-4180
FabrikantOmron
€ 20,34
Each
Aantal stuks
Cat's Whisker Yes NO/NC Snap - Screw - - 2 - DPST D4N 31.5mm 64 x 31 x 31.5 mm
RS-stocknr. 749-7583
Fabrikantnummer3SE5112-0CD02
FabrikantSiemens
€ 61,60
Each
Aantal stuks
Plunger Yes NO/NC - IP66, IP67 Screw Metal - - - DPST 3SE5 37.3mm 85.7 x 40.5 x 37.3 mm
RS-stocknr. 258-8170
FabrikantnummerGSAC20A1B
FabrikantHoneywell
€ 118,77
Each
Aantal stuks
Rotary Yes 2NO/2NC Snap - Screw Metal - 4 M20 x 1.5 4P GSS 55.9mm 145.8 x 42 x 55.9 mm
RS-stocknr. 410-7436
FabrikantnummerI88-SU1Z AH
FabrikantBernstein AG
€ 35,60
Each
Aantal stuks
Spindle Yes NO/NC Snap IP65 Screw Fibreglass 1 2 M20 x 1.5 - I88 SU/U 30.5mm 62 x 22 x 30.5 mm
RS-stocknr. 749-7631
Fabrikantnummer3SE5122-0CE01
FabrikantSiemens
€ 52,80
Each
Aantal stuks
Roller Lever Yes NO/NC - IP66, IP67 Screw Metal - - - DPST 3SE5 37.8mm 85.7 x 56 x 37.8 mm
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