7812+UPC1237 Speaker Protec-tion Relay Module Board 12‑24V CT.
Feature: \n 1. Use the best performance UPC1237 as the core device, with boot delay, DC protection, power failure and shock resistance\n2. Use OMRIN original high current relay as the core device, not afraid of contact ignition and oxidation\n3. Use 7812 for voltage regulation, wide power supply range, up to AC12V to AC24V\n4. The circuit is simple and reliable. It is very easy to make and free of debugging\n5. High\u2011precision CNC double\u2011sided tinned circuit board with small size, and convenient installation \n\nSpecification: \nFeatures:\n\n1. Use the best performance UPC1237 as the core device, with boot delay, DC protection, power failure and shock resistance\n\n2. Use OMRIN original high current relay as the core device, not afraid of contact ignition and oxidation\n\n3. Use 7812 for voltage regulation, wide power supply range, up to AC12V to AC24V\n\n4. The circuit is simple and reliable. It is very easy to make and free of debugging.\n\n5. High-precision CNC double-sid:
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