The speaker protection card uses the design and manufacture of UPC1237 chips and features a power on time and DC protection, an instant power off function and comprehensive protection for your expensive speaker!
The range of thick tin plates from the production of 1.6 mm high plates (FR-4). The 10 A relay is a casual music quality. The resistance rings are copper feet with gold film. And with a red power indicator, the power relay shows approx. 3 seconds to indicate the green indicator light and the power indicator.
The protective card with a single mains voltage of 10V-18V AC, 12-24V DC can transfer a group of electrical power to the amplifier card. Try a rolled up or separate power supply.
Delayed mute function, shutdown speed disabled.
Potential protection of the center of the amplifier, centre of the DC from control point > 0.7 V.
All finished cards are good for debugging and strength testing.
Size: 6.5cm x 5cm
Note:
Please allow 1-3mm differs due to manual measurement. Please make sure you do not disturb this before ordering.
Actual colour may vary a little from the photo depending on your monitor settings. Thank you!
Box contents:
1 x Protective circuit