EZ240D18RS

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Solid state relays are a type of electrical switches which allow one circuit to control another without the mechanical arms that traditional relays have. The EZ240D18RS is one type of solid state relay (SSR) which is frequently used in industrial and commercial applications. This SSR is designed to switch AC loads with an input voltage range of 4 VDC to 32 VDC, making it a good choice for projects, such as controlling electrical devices with micro controllers and for home automation.

Characteristics of EZ240D18RS

The EZ240D18RS solid state relay is a full armature type, meaning its enclosure contains all of the electrical components and the input & output electrical connections. The relay also boasts an AC control input and a DC output, something which many other solid state relays don’t have. The AC control input is suitable for accepting a variety of signals, meaning greater flexibility for the user.

This type of solid state relay has a maximum operating voltage of 240 VAC and a maximum load current of 18 A. This makes it ideal for controlling motors, fans, lights, and other such large loads. It has an SCR output, which stands for silicon controlled rectifier. An SCR is an electronic component that is usually used to control large AC loads.

In addition, the EZ240D18RS has EMI/RFI noise suppression capabilities, meaning it is highly able to filter out any unwanted electrical interference. It also offers LED status indication, helping users to quickly recognize the current state of the SSR. Furthermore, this solid state relay has a rating of 10 million on/off cycles, after which it will require replacement, and an insulation resistance of 500 MΩ.

Applications of EZ240D18RS

Given its impressive characteristics, it is no surprise that the EZ240D18RS is widely used in a variety of applications. It is commonly used in industrial machinery and equipment, such as CNC machines, safety systems, factory automation systems, and production lines. It is also a popular choice for computer-controlled devices, such as vending machines and access control systems.

Furthermore, it is an acclaimed SSR for domestic applications. The EZ240D18RS can switch mains AC power for home lighting, heating, and air conditioning systems, as well as a wide range of household appliances. It is equally adept at controlling DC motors for DIY projects and robotics applications.

Working Principle of EZ240D18RS

The EZ240D18RS is a three terminal device consisting of two input terminals, connected in a circuit, and an output terminal which opens and closes the circuit. The two input terminals are connected to a low current DC voltage source such as a printed circuit board. When the voltage at the input terminals reaches a certain value, the output terminal is activated, causing the circuit to be opened or closed.

This SSR works as an on/off switch, with the DC switch control line being the input and the output being the AC load. When a current greater than the turn-on current (or below turn-off current) is suitable to the DC switch at the input terminals, the Thrysistor turns on, and with the voltage applied across the load terminals the EZ240D18RS turns on, allowing the current to flow in the AC load.

Once the current is removed from the DC switch terminals the Thrysistor turns off, cutting the AC supply to the load. The EZ240D18RS is a high speed device that operates in tens of microseconds, withstanding short-circuit, overload, and shock or surge.

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