G3MB-202PL DC12

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Solid State Relays (SSRs) offer many advantages over traditional relays, including low voltage operation, low power consumption, and improved reliability. The G3MB-202PL DC12 is a popular SSR due to its high current rating, low cost, and small size. This article will describe the application field and working principle of the G3MB-202PL DC12.

Application Field

The G3MB-202PL DC12 is a 3-terminal solid state relay. Its application field includes home appliances, heating, lighting, industrial automation, process control, etc. It is capable of controlling currents up to 10A at a voltage up to 12V DC. It has a relay type structure, which allows it to be used in single and multiple pole configurations. A common application of the G3MB-202PL DC12 is switching on and off motors and other equipment with low power consumption.

Working Principle

The G3MB-202PL DC12 has a normally open input and an output connected to the load. When an external voltage is applied to the input, the SSR is activated and the output is switched to the active state. The external voltage can be AC or DC, depending on the specification of the G3MB-202PL DC12. The internal circuit includes a semiconductor device called a TRIAC. When activated, the TRIAC will conduct current and switch the output to the active state. The output will remain in this state until the current is removed from the input, at which point the TRIAC turns off and the output is switched back to the open state.

Conclusion

The G3MB-202PL DC12 is a solid state relay with a 3-terminal structure. It has a wide application field, including home appliances, heating, lighting, industrial automation, and process control. Its working principle is based on a TRIAC, which switches current and activates the output when an external voltage is applied to the input. The G3MB-202PL DC12 offers many advantages over traditional relays, making it a popular choice for controlling currents up to 10A at 12V DC.

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