2941387

Series:	DEK-OV
Packaging:	Bulk
Part Status:	Active
Mounting Type:	DIN Rail
Circuit:	SPST-NO (1 Form A)
Output Type:	DC
Voltage - Input:	12VDC
Voltage - Load:	3V ~ 30V
Load Current:	3A
Termination Style:	Screw Terminal
Package / Case:	Module
Supplier Device Package:	--

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Solid State RelaysSolid State Relays (SSRs) are electronic switches that are used in a wide variety of applications. Unlike a standard mechanical relay, which uses an electromagnet to open and close a switch, SSRs use power semiconductor devices such as LEDs, MOSFETs, and thyristors to control the switching. They are capable of operating at higher frequencies and offer better protection against electrical short-circuits or surges.SSRs are used to control the flow of electricity from a low voltage to a high voltage and are typically used for applications such as motor control, lighting control, industrial and consumer appliance control, temperature control, and process control.Although the operation of SSRs seems simple, understanding how they work requires an understanding of the underlying physical principles and components.The working principle of an SSR is based on the fact that when a voltage is applied to a semiconductor device, it can be used to control the flow of current between two terminals. For example, when an SSR is connected to a high voltage power source and a control circuit, it can control the flow of current between the two points. The control circuit supplies a steady low voltage signal to the control terminals of the SSR, which in turn switches the high voltage power between the two terminals.The SSRs are usually designed with two separate states: on and off. When the control signal is high, the device is in the “on” state and allows the high voltage power to flow. When the control signal is low, the device is “off” and the high voltage power is blocked.The most common SSR type is the “normally open” SSR, which means that when the control signal is low, the device is open and no power can flow. By contrast, in a “normally closed” SSR, the device is closed and power can flow when the control signal is low.The use of SSRs has many advantages over traditional electromechanical relays, including lower cost, higher efficiency, smaller size, faster switching, and better noise immunity. They are also much less prone to wear and tear due to their lack of moving parts.The application of SSRs is extremely varied. They can be used in a wide range of industries, including automotive, aerospace, industrial automation, electrical equipment, refrigeration, and medical equipment. SSRs can also be used in consumer electronics such as TVs, computers, and gaming consoles.In summary, Solid State Relays are an important and versatile family of switching devices that offer many advantages compared to traditional electromechanical relays. They offer a reliable and cost-effective solution for applications where high frequency switching, fast switching speeds, and low power consumption are required.

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