5V 10A SPDT Power Relay

5V 10A SPDT(Single Pole Double Throw) relay is used as a switch for high-current AC/DC appliances which need to be controlled from a microcontroller or sensor output. 5V PCB Mount Sugar Cube SPDT Relay instead of its small size can switch a load of 7A connected to it. The coil resistance of this relay is 70 ohm whereas coil current is 70mA. The trigger voltage for this relay is 5V.

There are 5 pins in this relay i.e. Coil end 1, Coil end 2, COM(common), NC, and NO. Coil end 1 and Coil end 2 are used to trigger ON/OFF the relay. One end is connected to a 12V supply and other is connected to the ground of the circuit. Common is connected to the one end of the load to be controlled. The other end of the load is connected to either NC or NO.

If the load is connected to NC(Normally Closed) then the load remains ON before trigger. And if it is connected to NO(Normally Open) then the load remains OFF before trigger. These relays are usually used in home automation, switching circuits, security circuits, etc.

A 5V 10A SPDT (Single Pole Double Throw) power relay is a crucial component in electrical systems, serving to control the flow of electricity within circuits. Combining the principles of electromagnetism and mechanical switching, this relay operates on athe  low voltage (5 volts) but can handle high current loads up to 10 amps, making it versatile and applicable in various industrial, commercial, and domestic applications.

At its core, the SPDT relay consists of several key components. The primary element is an electromagnet, which generates a magnetic field when energized by the 5-volt power supply. This magnetic field attracts a movable armature, which is mechanically linked to one or more sets of switch contacts.

In the case of the SPDT relay, there are three terminals: common (COM), normally closed (NC), and normally open (NO). When the relay is in its resting state, the common terminal is connected to the normally closed terminal, completing one circuit path. When the electromagnet is energized, the armature moves, disconnecting the common terminal from the normally closed terminal and connecting it instead to the normally open terminal, thus altering the circuit configuration.

The 5V 10A rating of this relay refers to its operational characteristics. The 5 volts indicate the control voltage required to activate the relay, typically sourced from a microcontroller, PLC (Programmable Logic Controller), or other control devices. The 10-ampere capacity denotes the maximum current that can flow through the relay’s contacts without causing damage or excessive voltage drop. This rating is crucial in ensuring compatibility with the connected load, which may include motors, heaters, solenoids, or other high-power devices commonly found in industrial machinery, automation systems, automotive electronics, and more.

One notable feature of the SPDT relay is its versatility in switching between multiple circuits. In its default state, it provides a single pathway for electrical current. However, upon activation, it swiftly transitions to an alternate configuration, effectively redirecting the flow of electricity. This capability is particularly advantageous in applications requiring toggling between two different operational modes or controlling the direction of motor rotation.

The use of a power relay offers several benefits beyond simple on-off switching. By isolating the control circuitry from the high-power load, it enhances safety and protects sensitive electronic components from potential damage due to voltage spikes or electromagnetic interference. Additionally, relays enable the integration of complex control logic, such as time-delayed switching, latching, or interlocking, facilitating more sophisticated system behaviors.

In summary, the 5V 10A SPDT power relay represents a fundamental building block in electrical engineering, providing reliable switching capabilities for a wide range of applications. Its ability to handle moderate currents at low control voltages makes it an indispensable component in circuits requiring efficient and robust control of electrical power. Whether in industrial automation, automotive systems, or household appliances, the SPDT relay plays a vital role in enabling precise and dependable operation.

Features

• Trigger Voltage (Voltage across coil) : 5V DC
• Trigger Current (Nominal current) : 70mA
• Maximum AC load current: 10A @ 250/125V AC
• Maximum DC load current: 10A @ 30/28V DC

Package Includes

• 1 x Mini Relay 5v 7A DC and Power Relay