CPC1390GV

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Solid State Relays

Solid State Relays (SSR) are electronic switches which control the movement and state of an electric load using a low power signal. Their primary purpose is to switch high-power circuits with low-power circuits, and they can be used in a variety of applications such as automation, controlling motors, controlling lamps, controlling heating elements and more. The CPC1390GV is a a Solid State Relay which can be used for various applications and its working principle is based on thyristor technology.

CPC1390GV Application Field

The CPC1390GV is a single-pole double-throw (SPDT) type Solid State Relay and it is often used for industrial temperature control and motor speed adjustment applications. It is designed to switch high-current AC or DC loads up to 30 A with a coil voltage of 12-240V DC. It has a very compact housing size of 48x48x53mm and it can be installed in close proximity. The relay has isolated input and output terminals which helps to reduce electromagnetic interference (EMI).

CPC1390GV Working Principle

The CPC1390GV Solid State Relay is based on thyristor technology which uses two thyristors or SCRs connected in anti-parallel configuration. An SCR is basically a semiconductor device with three terminals, an anode, a cathode and a gate. When voltage is applied to it, the SCR can be turned ON and OFF by using the gate. The CPC1390GV consists of a pair of these SCRs connected back to back. When a control signal is applied to the gate, it will turn ON one SCR and turn OFF the other.

This creates a high current path which allows the load voltage to flow to the AC lines. This switching mechanism eliminates all sources of electrical noise since there are no contacts bouncing like in a traditional electromechanical relay. The device also features an LED indicator which will show when the output state is ON or OFF. This helps to troubleshoot and maintain the system without having to open the enclosure and check the physical state of the relay.

Conclusion

The CPC1390GV is a Solid State Relay which offers a reliable and effective way to switch high power circuits with low power circuits. It has a very compact housing size and low power consumption, making it an ideal choice for a variety of applications. The thyristor technology used in the relay eliminates electrical noise which is often a problem in electromechanical relays. An LED indicator also helps to troubleshoot and maintain the system.

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