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    Capacitive, Magnetic and Piezo Switches

    Capacitive, Magnetic, and Piezo Switches are types of electronic switches that operate based on different principles. Let's explore each of them:

    1. Capacitive Switches: Capacitive switches use the principle of capacitance to detect touch or proximity. They typically have a touch-sensitive surface that acts as one plate of a capacitor, while the other plate is usually a ground plane or a separate electrode. When a conductive object, such as a finger, comes close to or touches the touch-sensitive surface, it changes the capacitance, which is then detected by the switch's electronics. Capacitive switches are commonly used in touchscreens, touch-sensitive buttons, and proximity sensors.
    2. Magnetic Switches: Magnetic switches, also known as magnetic reed switches, use the presence or absence of a magnetic field to control the switch's operation. They consist of two metal reeds that are hermetically sealed within a glass tube. Each reed contains magnetically sensitive material. When a magnetic field is applied near the switch, the reeds are attracted to each other, and the switch closes, allowing current to flow. When the magnetic field is removed, the reeds separate, and the switch opens. Magnetic switches are often used in applications such as security systems, door and window sensors, and proximity sensors.
    3. Piezo Switches: Piezo switches utilize the piezoelectric effect to convert mechanical stress or pressure into an electrical signal. They consist of a piezoelectric material, such as certain crystals or ceramics, that generates an electric charge when subjected to mechanical deformation. When pressure or force is applied to the switch, it causes the piezoelectric material to deform, generating an electrical signal. This signal can be used to trigger a switching action. Piezo switches are commonly found in applications where a robust and reliable switch is required, such as industrial control panels, medical equipment, and automotive applications.

    Each type of switch has its own advantages and limitations. Capacitive switches offer touch-sensitive and non-mechanical operation but may be affected by moisture or dirt. Magnetic switches are highly reliable and can operate in harsh environments but require the presence of a magnetic field. Piezo switches are durable and can withstand high forces, but they require mechanical pressure to operate and are typically more expensive.

    Capacitive Switches
    Capacitive Switches
    Hall Effect Switches
    Hall Effect Switches
    Piezo Switches
    Piezo Switches
    Reed Switch Magnets
    Reed Switch Magnets
    Reed Switches
    Reed Switches
    Thumbwheel Switches
    Thumbwheel Switches

    1101 Products showing for Capacitive, Magnetic and Piezo Switches

    3 of 56
    Standex-Meder 1CO Screw Mount Magnetic Proximity Sensor, 500mA 175V
    • RS Stock No. 283-6298
    • Mfr. Part No. MK04-1C90C-500W
    Each
    Kr. 151,10
    Standex-Meder 1NO Screw Mount Magnetic Proximity Sensor, 500mA 200V
    • RS Stock No. 283-6297
    • Mfr. Part No. MK04-1A66C-500W
    Each
    Kr. 99,55
    Assemtech SPST Reed Switch, 500mA
    • RS Stock No. 909-2632
    • Mfr. Part No. RI-27AA
    Each (In a Bag of 10)
    Kr. 23,894
    Schurter Illuminated Piezo Switch, Pulse, SPST, IP67, Through Hole, 100 mA @ 24 V dc, -40 → +85°C
    • RS Stock No. 173-7880
    • Mfr. Part No. 1241.3012
    Each (In a Box of 20)
    Kr. 1 087,298
    Bulgin Capacitive Switch Latching NO,Illuminated, IP68 Stainless Steel
    • RS Stock No. 208-8251
    • Mfr. Part No. MC22LOSGR
    Each
    Kr. 378,78
    APEM Illuminated Piezo Switch, 1NO, IP68, IP69K, , - 40 → 75°C
    • RS Stock No. 287-3710
    • Mfr. Part No. PBARZ1C0000Y2A
    Each
    Kr. 1 003,15
    EAO Capacitive Switch NO,Illuminated, Red/Green, IO-Link, IP69K
    • RS Stock No. 227-0844
    • Mfr. Part No. 84-ASKS-B12-049E
    Each
    Kr. 2 082,57
    RS PRO Capacitive Switch Latching NC,Illuminated, Green, IP68 Brass
    • RS Stock No. 823-2772
    Each
    Kr. 541,80
    Bulgin Piezo Switch, Momentary, IP68, IP69K, Wire Lead, 1 A @ 24 V dc, -40 → +85°C Grey
    • RS Stock No. 124-1090
    • Mfr. Part No. MPZ022/F
    Each
    Kr. 958,33
    RS PRO Capacitive Switch Momentary NO,Illuminated, Green, IP68 Brass
    • RS Stock No. 823-2769P
    Each (Supplied in a Bag)
    Kr. 558,62
    WIKA IP65 SPDT Through Hole Magnetic Reed Switch, 500mA 230V
    • RS Stock No. 267-6361
    • Mfr. Part No. 14230126
    Each
    Kr. 697,19
    SMC Direct Mount Reed Switch, 20mA
    • RS Stock No. 280-9299
    • Mfr. Part No. D-A96L
    Each
    Kr. 257,20
    APEM Illuminated Piezo Switch, Momentary, Pulse, SPST, IP68, Wire Lead, 200 mA@ 24 V dc, -40 → +75°C
    • RS Stock No. 691-9575
    • Mfr. Part No. PBARZAF0000C3A
    Each
    Kr. 802,80
    Assemtech SPDT Reed Switch, 400mA
    • RS Stock No. 909-2689
    • Mfr. Part No. RI-90
    Each (In a Bag of 10)
    Kr. 43,248
    RS PRO Illuminated Piezo Switch, Momentary (NO), SPST, IP69, Cable, 1A, -20 → +75°C Natural Aluminium
    • RS Stock No. 259-1151
    Each
    Kr. 1 061,63
    Kelag IP65 Normally Open Switch Surface Mount Magnetic Proximity Sensor, 500mA 140V
    • RS Stock No. 283-7594
    • Mfr. Part No. KRS010-AH1L08L9
    Each
    Kr. 41,55
    Assemtech SPST Reed Switch, 500mA
    • RS Stock No. 909-2651
    • Mfr. Part No. RI-60B
    Each (In a Bag of 10)
    Kr. 14,166
    RS PRO IP67 SPST Cable Mount Reed Switch, 0.5A 100Vdc
    • RS Stock No. 268-4849
    Each
    Kr. 175,95
    Assemtech SPST Reed Switch, 500mA
    • RS Stock No. 909-2604
    • Mfr. Part No. RI-23A
    Each (In a Bag of 10)
    Kr. 17,586
    APEM Illuminated Piezo Switch, Momentary, Pulse, SPST, IP68, Through Hole, 200 mA @ 24 V dc, -40 → +75°C
    • RS Stock No. 691-9405
    • Mfr. Part No. PBAR1AFB000A0G
    Each
    Kr. 870,97
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