Login / Register to access your benefits
Recently searched

    Safety Interlock Switches & Components

    An industrial switch is a device used to interrupt or redirect the flow of electricity within a circuit. The electronic switch is a simple binary device as it can only be 'open' or 'closed'. Open allows electrons to flow and closed stops the flow. Industrial switches operate in the same manner as household switches but are offered in different styles to suite the industrial applications.

    Industrial switch types

    We stock a wide range of industrial switches, below we have covered the most popular types:

    • Limit switches - used when a presence or position of an object is required. They're usually electromagnetically operated, activating when an object makes physical contact with the actuator.
    • Reed switches - composed of two ferrous reeds in a small glass casing. The switches are magnetised and move when the magnetic field is moved towards the switch. You can see this if you place a tablet inside a protective case, it switches off as the magnet activates the reed switch.
    • Rotary switches - an alternative to a toggle or side switches, rotary switches allow the user to turn a knob or shaft that increases or decreases the resistance conducted through the contacts dependant on the direction of turn. Rotary switches allow different actuation positions, turning different circuits on/off or increasing/decreasing the value of the circuit. Some rotary switches can be configured to control multiple contacts simultaneously at a single switch position.
    • Thermistors - turn circuits on and off dependent on changes in temperature. NTC (Negative Temperature Coefficient) thermistors resistance changes as the temperature drops and are commonly used as a temperature sensor. PTC (Positive Temperature Coefficient) thermistors resistance increases as temperature rises, commonly used to provide over current protection.
    • Thermostats - used to regulate temperatures of liquid or gas. There are two main types of thermostats, capillary and bimetallic.
    • Isolator & switch disconnectors - used to ensure that a circuit is completely powered down in order for it to be serviced. They isolate a given part of the circuit by cutting off its electrical supply, making it safe to work on.
    • Non-fused switch disconnectors - provide the same functionality as switch disconnectors but instead of using a fuse to break the circuit, they use either a rotary or knife-blade disconnect.
    Hinge Switches
    Hinge Switches
    Non Contact Safety Switches
    Non Contact Safety Switches
    Safety Interlock Actuators & Magnets
    Safety Interlock Actuators & Magnets
    Safety Interlock Adapters & Mounts
    Safety Interlock Adapters & Mounts
    Safety Interlock Components
    Safety Interlock Components
    Safety Interlock Switches
    Safety Interlock Switches
    Solenoid Interlock Switches
    Solenoid Interlock Switches

    2803 Products showing for Safety Interlock Switches & Components

    5 of 141
    Telemecanique Sensors XCS-DMC Series Magnetic Non-Contact Safety Switch, 24V dc, Plastic Housing, 2NC, Cable
    • RS Stock No. 422-5130
    • Mfr. Part No. XCSDMC7902
    Each
    £77.20
    Allen Bradley Guardmaster 440K Safety Interlock Switch, 1NC/1NO, Keyed Actuator Included, Glass Filled PBT
    • RS Stock No. 426-4517
    • Mfr. Part No. 440K-T11305
    Each
    £38.94
    IDEM KLP-P2L Series Solenoid Interlock Switch, Power to Lock, 24V dc
    • RS Stock No. 123-7511
    • Mfr. Part No. 201021
    Each
    £160.78
    Telemecanique Sensors XCS-DMC Series Magnetic Non-Contact Safety Switch, 24V dc, Plastic Housing, 2NC, 10m Cable
    • RS Stock No. 666-4966
    • Mfr. Part No. XCSDMC79010EX
    Each
    £144.60
    RS PRO Safety Interlock Switch, 2NC, Plastic
    • RS Stock No. 179-7564
    Each
    £28.91
    Allen Bradley Guardmaster 440K Safety Interlock Switch, 2NC, Keyed Actuator Included, Glass Filled PBT
    • RS Stock No. 427-1105
    • Mfr. Part No. 440K-E33080
    Each
    £34.05
    ifm electronic MN Series Non-Flush Magnetic Safety Switch, 24V dc, Polyamide Housing, 2NO, 2m Cable
    • RS Stock No. 184-732
    • Mfr. Part No. MN200S
    Each
    £49.67
    Omron D4SL Series Solenoid Interlock Switch, Power to Unlock, 24V dc, 2NC/1NO + 1NC/1NO
    • RS Stock No. 862-1709
    • Mfr. Part No. D4SL-N4EFA-D
    Each
    £170.50
    Allen Bradley Guardmaster 440N Series Magnetic Non-Contact Safety Switch, 24V dc, Plastic Housing, 2NC, 2m Cable
    • RS Stock No. 351-3919
    • Mfr. Part No. 440N-G02058
    Each
    £234.28
    Schmersal Actuator
    • RS Stock No. 880-1909
    • Mfr. Part No. MZM 100-B1.1
    Each
    £142.48
    IDEM KP Safety Interlock Switch, 4NC, Keyed Actuator Included, Polyester
    • RS Stock No. 826-3925
    • Mfr. Part No. 200013F
    Each
    £38.08
    Telemecanique Sensors XCS-DMC Series Magnetic Non-Contact Safety Switch, 24V dc, Plastic Housing, NC, Cable
    • RS Stock No. 666-4975
    • Mfr. Part No. XCSDMC7902EX
    Each
    £118.50
    Allen Bradley Guardmaster 440G-S Series Solenoid Interlock Switch, Power to Unlock, 24V ac/dc, Actuator Included
    • RS Stock No. 251-1956
    • Mfr. Part No. 440G-S36001
    Each
    £385.45
    Allen Bradley Guardmaster 440N Series Magnetic Non-Contact Safety Switch, 24V dc, Plastic Housing, 3m Cable
    • RS Stock No. 703-4864
    • Mfr. Part No. 440N-Z21W1PA
    Each
    £88.34
    IDEM KL3-SS Series Solenoid Interlock Switch, Power to Unlock, 24V ac/dc
    • RS Stock No. 826-4000
    • Mfr. Part No. 205001
    Each
    £331.44
    IDEM KM Safety Interlock Switch, 3NC/1NO, Keyed Actuator Included, Metal
    • RS Stock No. 826-3915
    • Mfr. Part No. 203007F
    Each
    £52.94
    Omron F3S-TGR-N_C Series Magnetic Non-Contact Safety Switch, 24V dc, Polyester Housing, NO/2NC, 5m Cable
    • RS Stock No. 757-9250
    • Mfr. Part No. F3S-TGR-NMPC-21-05
    Each
    £98.00
    Allen Bradley Guardmaster 440N Series Magnetic Non-Contact Safety Switch, ABS Housing, NO/NC, 10m Cable
    • RS Stock No. 333-8825
    • Mfr. Part No. 440N-S32017
    Each
    £98.52
    Schmersal Actuator
    • RS Stock No. 742-0754
    • Mfr. Part No. AZ 3350-B6
    Each
    £51.68
    Allen Bradley Guardmaster 440N Series Magnetic Non-Contact Safety Switch, 24V dc, Plastic Housing, 2NC, 6m Cable
    • RS Stock No. 751-0920
    • Mfr. Part No. 440N-G02083
    Each
    £280.60
    Results per page
    1
    5
    141

    Guides & Articles

    Article image
    Machine Safety Guide
    This guide covers everything from why machine safety is important and the regulations to the best products available.
    Read more
    Article image
    Discover with DesignSpark
    Your job to automate industry? Automation engineers and manufacturers alike are sharing on DesignSpark. Join them now.
    Read More

    Altivar Variable Speed Drives from Schneider Electric

    Altivar Variable Speed Drives from Schneider Electric

    Related links