SO945460

Series:	OK
Packaging:	Bulk
Part Status:	Active
Mounting Type:	Chassis Mount
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, Zero Cross
Voltage - Input:	3 ~ 32VDC
Voltage - Load:	12V ~ 280V
Load Current:	50A
Termination Style:	Screw Terminal
Package / Case:	Hockey Puck
Supplier Device Package:	--

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Introduction to Solid State Relays

Solid state relays are relay-type automatic switching components that are used to control electrical circuits. They are similar to magnetic relays in operation, but they do not require a physical contact, allowing for long-term electrical reliability and reduced maintenance costs.These relays are power electronics switching devices that use an electromagnetic or solid state switching element to control an electric circuit. An example of this is a semiconductor diode, which creates a closed circuit when a voltage is applied, isolating the control circuit from the load circuit.The most common type of solid state relay is the four-contact polarity type. This type has two normally open contacts and two normally closed contacts. When a voltage is applied to the gate, the relay will close the two normally open contacts and open the two normally closed contacts, thus completing the circuit from one side to another.The applications of solid state relays include industrial control systems, home automation systems, lighting and temperature control systems, appliance control and automation, and automotive and aerospace applications.

Applications of SO945460 Solid State Relay

The SO945460 solid state relay is a four-contact polarity type SSR designed for applications requiring load voltages up to 200 volts AC and current capacities up to 10 amps AC. This four-contact SSR offers a number of features that make it an attractive choice for a variety of applications.The SO945460 is designed for use in applications where switching speed is a priority. It features an insulated case that helps to reduce EMI and its low-profile design can save valuable space in tight installations.The SO945460 is widely used in home automation systems, lighting and temperature control systems, appliance control and automation, and automotive and aerospace applications. It is also suitable for industrial control systems, providing a reliable and efficient way to switch currents and voltages.

Working Principle of SO945460 Solid State Relay

The SO945460 has two normally open contacts and two normally closed contacts. When a voltage is applied to the gate, the two normally open contacts close, completing the circuit. This causes an electrical current to flow from the source side to the load side. The current is then switched off when the gate voltage is removed, and the normally open contacts open. The SO945460 features an integrated RC Snubber circuit that helps to reduce EMI emissions and improve reliability. This integrated circuit provides an alternative path for inductive current. The RC Snubber also helps to reduce arcing and RF noise in applications with high dV/dt and high surge operations. This SSR also has built-in protection features such as an anti-reverse protection circuit and a latch-up protection circuit that help to prevent accidental contact closure when the relay is switched off. The SO945460 is also designed with a high surge current capability which helps to ensure reliable operation in the most demanding applications. The relay offers high switching speed, low thermal resistance and air cooling, with a temperature range of -40°C to +85°C.

Conclusion

The SO945460 solid state relay is a reliable and efficient four-contact polarity type SSR designed for load voltages up to 200 volts AC and current capacities up to 10 amps AC. It is widely used in industrial control systems, home automation systems, lighting and temperature control systems, appliance control and automation, and automotive and aerospace applications. The working principle of the SO945460 SSR relies on the application of a voltage to its gate, which causes the two normally open contacts to close, completing the circuit. This creates an electrical flow from the source side to the load side. The relay is also designed with a number of safety features including anti-reverse protection, latch-up protection and RC Snubber circuits. Overall, the SO945460 SSR is a reliable, efficient and cost-effective switching solution for a variety of applications.

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