OSSRA0011A Relays

Series:	OSSR
Packaging:	Tray
Part Status:	Obsolete
Mounting Type:	Chassis Mount
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, Zero Cross
Voltage - Input:	100 ~ 240VAC
Voltage - Load:	75V ~ 480V
Load Current:	25A
Termination Style:	Screw Terminal
Package / Case:	Hockey Puck
Supplier Device Package:	Hockey Puck

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Solid State Relays (SSRs) are one type of electrical contactless switching device, they are similar to Electromagnetic Relays (EMRs) but both serve different functions and have different working principles. The SSR\'s main advantage is its low power cross-over contacts, meaning it can be used in applications where an electrical contact is not suitable. The OSSRA0011A is a solid-state relay designed for applications involving control, and it is commonly used in motor control applications, where a protection circuit is used to ensure the motor and its associated components are not over powered.The OSSRA0011A works with two voltage systems, a control circuit and a load circuit. The control voltage system consists of two voltages, an input voltage and a trigger voltage, and is connected to the control circuit. The input voltage is controlled by a controller, while the trigger voltage is provided by the user. The load circuit is connected to the output voltage and load current, which are both provided by the user as well. When the required trigger voltage is applied to the control circuit, a signal is sent to the output voltage, which causes the load current to increase. This triggers the relay, closing the contacts and allowing the load current to flow.In terms of its application field, the OSSRA0011A solid-state relay can be used in industrial, commercial and residential applications. It is mainly used in motor controlling applications, such as controlling the speed of a motor, as well as controlling the current and voltage of the motor. The OSSRA0011A is also used in temperature control systems, light dimming systems and heating and air conditioning systems.In terms of safety, the OSSRA0011A offers several features for preventing over-current or over-voltage incidents. It has an in-built protection diode, which provides protection from excessive input voltage, as well as a fuse for isolated current protection. In addition, the OSSRA0011A has a built-in zero-cross detection circuit, which detects if the load current is at zero before turning on the relay. Furthermore, the input control voltage is supplied from the controller, so it is not affected by an external voltage surge, providing a safe environment for the system.In conclusion, the OSSRA0011A is a reliable and safe solid-state relay. It offers a convenient and hassle-free way of controlling motors and other systems, while providing a high level of safety and protection from over-current and over-voltage incidents. This solid-state relay is also suitable for both commercial and residential applications, making it an ideal choice for a variety of applications.

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