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    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

    2773 Products showing for Safety Interlock Switches & Components

    8 of 139
    Omron F3S-TGR-N_C Series Magnetic Non-Contact Safety Switch, 24V dc, Stainless Steel Housing, NO/2NC, 5m Cable
    • RS stock no. 549-467
    • Mfr. Part No. F3S-TGR-NSMC-21-05
    Each
    R 4 434,15
    SICK RE21 Safety Interlock Switch, 1NC/1NO, Magnet, Vistal
    • RS stock no. 285-8971
    • Mfr. Part No. RE21-SA03
    Each
    R 1 056,11
    Allen Bradley Guardmaster 440N Series Magnetic Non-Contact Safety Switch, 24V dc, Plastic Housing, NC, 4-Pin Micro QD
    • RS stock no. 296-3177
    • Mfr. Part No. 440N-G02094
    Each
    R 4 735,29
    IDEM MGL Series Magnetic, RFID Non-Contact Safety Switch, 24V dc, 316 Stainless Steel Housing, 2NC, M12
    • RS stock no. 826-4353
    • Mfr. Part No. 462006
    Each
    R 10 434,64
    SICK Hard Actuator Actuator for Use with I110
    • RS stock no. 284-9237
    • Mfr. Part No. iE110-A6
    Each
    R 214,72
    Schmersal EX-BNS 250 Series Flush Magnetic Non-Contact Safety Switch, 24V dc, Reinforced Thermoplastic Housing, NO/NC,
    • RS stock no. 283-8296
    • Mfr. Part No. EX-BNS 250-11Z-3GD 5M
    Each
    R 3 771,45
    Schmersal MZM 100 B Series Solenoid Interlock Switch, Power to Lock, 24V dc
    • RS stock no. 880-1902
    • Mfr. Part No. MZM 100 B ST2-SD2PREM-A
    Each
    R 21 040,94
    Allen Bradley Guardmaster 440N Series Magnetic Non-Contact Safety Switch, 250V ac, Plastic Housing, NC, 4m Cable
    • RS stock no. 751-0914
    • Mfr. Part No. 440N-G02014
    Each
    R 4 307,94
    Schmersal RSS 36 Series Solenoid Interlock Switch, 24V dc
    • RS stock no. 880-1766
    • Mfr. Part No. RSS 36-SD-ST
    Each
    R 3 590,35
    Telemecanique Sensors XCSPA Safety Interlock Switch, 2NC/1NO, Keyed , Glass Fibre Reinforced Nylon
    • RS stock no. 132-9178
    • Mfr. Part No. XCSPA992
    Each
    R 1 350,37
    Telemecanique Sensors XCS Series Solenoid Interlock Switch, 2NO/1NC
    • RS stock no. 220-1361
    • Mfr. Part No. XCSE5342
    Each
    R 12 963,16
    Allen Bradley Guardmaster 440N Series Magnetic Non-Contact Safety Switch, 250 V ac, 300V dc, Plastic Housing, NO/NC, 3m
    • RS stock no. 335-5763
    • Mfr. Part No. 440N-S32023
    Each
    R 2 148,99
    IDEM SMR Series Magnetic Non-Contact Safety Switch, 250V ac, 316 Stainless Steel Housing, 2NC, 2m Cable
    • RS stock no. 826-4296
    • Mfr. Part No. 139013
    Each
    R 2 906,65
    Schmersal AZM 170 Series Solenoid Interlock Switch, Power to Unlock, 230V ac
    • RS stock no. 741-8681
    • Mfr. Part No. AZM 170-02ZRK 230 VAC
    Each
    R 7 609,53
    Schmersal Angled Toggle Actuator for Use with AZ 17 Safety Switch
    • RS stock no. 623-2938
    • Mfr. Part No. AZ 17/170-B5
    Each
    R 238,39
    Allen Bradley Guardmaster 440K Safety Interlock Switch, 2NC/1NO, Keyed Actuator Included, Glass Filled PBT
    • RS stock no. 792-3089
    • Mfr. Part No. 440K-T11338
    Each
    R 1 664,32
    Pilz Transponder Non-Contact Safety Switch, 24V dc, Plastic Housing, M12
    • RS stock no. 918-6655
    • Mfr. Part No. 541009
    Each
    R 2 595,59
    Bernstein AG SHS3 Hinge Switch, NO/NC
    • RS stock no. 136-3179
    • Mfr. Part No. 6019390042
    Each
    R 3 771,44
    Telemecanique Sensors XCS-DMP Series Magnetic Non-Contact Safety Switch, 24V dc, Plastic Housing, 2NC
    • RS stock no. 766-1677
    • Mfr. Part No. XCSDMP791L01M12
    Each
    R 2 321,73
    Omron D4SL-N Series Safety Interlock Switch, Power to Unlock, 24V dc, 2NC/NO + 2NC/NO
    • RS stock no. 265-5000
    • Mfr. Part No. D4SL-N4NDA-D
    Each
    R 5 064,93
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