84140501

Series:	GN2
Packaging:	Bulk
Part Status:	Active
Mounting Type:	Chassis Mount
Circuit:	SPST-NO (1 Form A) x 2
Output Type:	AC
Voltage - Input:	4 ~ 15VDC
Voltage - Load:	48V ~ 660V
Load Current:	25A
Termination Style:	Quick Connect - 0.250" (6.3mm)
Package / Case:	Hockey Puck
Supplier Device Package:	--

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Solid State RelaysSolid State Relays (SSRs) is a type of switch devices which operate electrically instead of a mechanically-operated switch. They are used to turn electric currents on and off with an electronic control system such as a computer or other microprocessors. It is a device that consists of one or more power semiconductor devices such as transistors, MOSFETs or IGBTs which act as the switching device and an actuating circuit.The 84140501 SSR is an opto-isolated SSR with a zero-cross control circuit. It operates on 110VAC with relay contacts rated for 10A and a maximum switching current of 16A. It features a low on-resistance (R) of less than 10mΩ and isolation voltage of 5000VAC.The 84140501 SSR operates with a pair of reverse-biased photo-detectors. Its relay coil is connected to the two detector emitters and has a 4.7KΩ resistance. When the input voltage is applied, current will flow through the photo-detectors which will cause the voltage across the detectors to rise and fall. When the voltage across the detectors reaches a certain level, called the "zero-cross point", the voltage across the coil will reverse, causing the relay to turn on. This "zero-cross" signal is used by the control system to control the SSR.Applications of 84140501 SSRs include AC power control, motor control, and lighting control. It can be used to switch power to devices, turn lights on and off, or enable/disable motors. Its rugged construction, high power handling and low on-resistance makes it suitable for industrial applications and other harsh environments.The working principle of the 84140501 SSR is based on opto-isolation. Its two photo-detectors form a closed loop which is used to detect any changes in the input voltage. The reverse-biased voltage applied across the detectors causes them to emit light which is then converted into an electric current. This current is used to power the relay coil which in turn turns on the relay and enables switching of the AC power supply.In summary, the 84140501 SSR is a type of Solid State Relay which is designed for use with AC power control, motor control, and lighting control applications. It works using opto-isolation and a reverse-biased photo-detector circuit which detects changes in the input voltage and uses those changes to switch power to devices or turn motors on/off. With its low on-resistance and high power handling, it is suitable for industrial or harsh environments.

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