About elmex

elmex is a pioneer in the field of Electrical Wire Termination Technology in India. elmex started it’s journey in 1963 as Manufacturers of Terminal Blocks (Din Rail Mounted Connectors) for the switchgear Industry. Steered on by the vision of our founder and chairman, Mr. J D Ray, elmex has moved from strength to strength and is regarded as the leader in manufacturing terminal blocks in the countr ...


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What is a Solid State Relay?

What is a Solid State Relay?


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What is a Signal Relay?

Signal relays are used for low level current switching, often below 2A but up to 40A. Some applications for signal relays include communications, AC control, security, measurement and control equipment, automotive devices and audio visual devices. Some characteristics of signal relays are stable contact resistance, Form C contact arrangement, a fully sealed construction, compact size for optimal bo ...


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What is an Automotive Relay?

Automotive relays of different sizes are found in every type of land or sea vehicle. They are often used to enable a low amperage circuit to switch a higher amperage circuit on or off. An example would be turning headlights on. Automotive relays also allow items to switch at the same time by using a single output, therefore allowing one to simultaneously open and/or close continuity on multiple ite ...


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What is a Power Relay?

What is a Power Relay?


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What is a Programmable Logic Device?

A PLD, or programmable logic device, is an electronic component that is used in order to build digital circuits that are reprogrammable. A programmable logic device does not have a defined function once manufactured, unlike a logic gate and has to be programmed before it can be used.


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 What is a White High Power LED?

A load switch is an electronic component that works like a relay, but that has no moving parts. Generally, two MOSFET transistors act like a switching element. One of the transistors is an N-channel device, whereas the other transistor is a P-channel device.


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What is a Load Switch?

What is a Load Switch?


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What is a JFET?

What is a JFET?


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What is a General Purpose Transistor?

A transistor is a semiconductor with a solid and non-moving part to pass a charge. It can amplify and switch electrical power and electronic signals. Transistors are made of semiconductor material with three or more terminals used to connect to an external circuit. By applying a current or a voltage to one of the pairs of the terminals, there is a change in current through another pair of terminals ...


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What is a Digital Transistor?

What is a Digital Transistor?


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What is an IGBT?

What is an IGBT?


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Resistance

An electron traveling through the wires and loads of the external circuit encounters resistance. Resistance is the hindrance to the flow of charge.


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General Types of Transformers

Transformers are more than just extraterrestrial robots—they’re also highly useful devices for transferring energy between circuits. By using inductively coupled electrical conductors as the main agent of transfer, a change in current in the first circuit is carried over to the second circuit, which subsequently assumes the new charge. Each end of the circuit carries the charge within a winding ...


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Electrical Isolator or Electrical Isolation Switch

Definition of Isolator


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Types Of Relays

Here is a detailed list of the different types of relays


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contactor

A contactor is an electrically controlled switch used for switching a power circuit, similar to a relay except with higher current ratings. A contactor is controlled by a circuit which has a much lower power level than the switched circuit.


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relay

A relay is an electrically operated switch. Many relays use an electromagnet to mechanically operate a switch, but other operating principles are also used, such as solid-state relays. Relays are used where it is necessary to control a circuit by a low-power signal (with complete electrical isolation between control and controlled circuits), or where several circuits must be controlled by one signa ...


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