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Here you will find out moreRelays are also known as electrically operated switches. In the case of a specific change at the input (voltage, current or temperature), the relay switches the system depending on the configuration (usually on/off). Their characteristic feature is the fact that these components operate on low-current signals, as opposed to contactors supporting power systems, so that they are used in many areas of industry such as automation systems with PLC controllers, lighting modules or communication devices. The types include electromagnetic relays, solid state relays (SSR), timer relays and installation relays. The former work similarly to electromagnets – the magnetic field is created by the current in the coil. As a result, the armature is attracted to the core and acts on contact springs. As far as contact configuration is concerned, the products are usually marked as DPDT (double pole, double throw), DPST (double pole, single throw), SPDT (double pole, double throw) and SPST (single pole, single throw). Solid state relays, also known as semiconductor relays, are components in which the switching elements are triacs, transistors or thyristors (electronic components). Their advantages include the possibility of switching-off at the points of zero load current disconnection and increased frequency of switching operations.
TME offers almost 5 thousand products in the category of relays. They include electromagnetic, solid state (single-phase, three-phase DS relays) and installation relays. The first type offers reed, miniature, industrial, power and automotive variants. When selecting the relay, it is worth paying attention to the contacts configuration, relay variant, switching voltage and mounting method (THT, SMD, SMT or mechanical). Transfer Multisort Elektronik store offers components for such manufacturers Anly Electronics, Crydom or Finder.
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