RM1A48D75

Series:	RM
Packaging:	Bulk
Part Status:	Active
Mounting Type:	Chassis Mount
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, Zero Cross
Voltage - Input:	4 ~ 32VDC
Voltage - Load:	42V ~ 530V
Load Current:	75A
Termination Style:	Screw Terminal
Package / Case:	Hockey Puck
Supplier Device Package:	--

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Solid State Relays

Solid-state relays are electromechanically-controlled switches which use light or magnetic fields to open and close electrical circuits. An example of a solid-state relay is the RM1A48D75. The RM1A48D75 solid-state relay is capable of controlling both AC and DC current up to its maximum capacity of 16A 250V AC or 10A 30V DC. It is also compatible with a wide range of control voltages between 3-32VDC, making it an ideal choice for controlling the power supply of a variety of electronic products.

Application Field

The RM1A48D75 solid-state relay is used in various applications in a wide range of industries. It can be used to control the power supply of printed circuit boards, such as controlling the power supply of LED lighting circuits. It is also used in motor control systems, including small devices such as electric fans, or larger applications such as hatch lifters and door openers.The RM1A48D75 can also be used in other applications such as building automation and temperature control systems. It is commonly used in conjunction with a variety of temperature sensors such as thermocouples, thermistors, or RTDs, to regulate HVAC systems.

Working Principle

The RM1A48D75 solid-state relay consists of an optical switch, an electronically rectified diode, and a transistor. When a control voltage is applied to the optically switched diode, it produces an infrared light that is focused onto a transistor. This transistor acts as a switch that breaks or makes the current path to the load. This action is fast and does not generate heat, making it an ideal choice for power control applications.The RM1A48D75 also utilizes a zero-crossing circuit. This circuit detects when the power supply voltage reaches its peak point and switches the connected load on or off in order to reduce electrical noise and interference. The RM1A48D75 also has built-in overvoltage protection which prevents the connected load from being powered up in an overvoltage situation. The relay also has a reverse voltage protection feature which will shut off the connected load in a reverse voltage situation.

Conclusion

The RM1A48D75 solid-state relay is a reliable, robust, and cost-effective solution for controlling power supplies in a variety of industries. Its wide range of compatible control voltages and zero-crossing circuits make it an ideal choice for applications such as LED lighting, motor control, building automation, and temperature control systems. The addition of overvoltage and reverse voltage protection features provides an extra layer of safety for the connected load.

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