DIY Dual Relay 7812+UPC1237 Speaker Protection Board Kit
Tax included.
Features:
1. UPC1237 best performance as core devices, with power-on delay and DC protection, power anti-shock function
2. UseOMRIN original high-current relay as the core of the device is not afraid of contact ignition and oxidation
3. Using 7812 as a regulator, wide supply range, up to any range AC12V to AC24V
4. The circuit is simple and reliable. Produced very easily, no need debugging
5. Silver contacts.
6. Precision CNC double-sided circuit board in small size, easy installed
7. Start delay 1S closed, no need to use 3S delay. DC monitoring and protection, real-time protection speaker. Disconnect the speaker off instantly.
8. This version can be controlled 500W amplifier, each channel using a relay control.
9. Power: AC 12-24V
10. PCB size: 6.9cm × 57mm
Note: All the elements, you need to solder by yourself
Package included:
1 x Dual Relay 7812+UPC1237 Speaker Protection Board Kit
1. UPC1237 best performance as core devices, with power-on delay and DC protection, power anti-shock function
2. UseOMRIN original high-current relay as the core of the device is not afraid of contact ignition and oxidation
3. Using 7812 as a regulator, wide supply range, up to any range AC12V to AC24V
4. The circuit is simple and reliable. Produced very easily, no need debugging
5. Silver contacts.
6. Precision CNC double-sided circuit board in small size, easy installed
7. Start delay 1S closed, no need to use 3S delay. DC monitoring and protection, real-time protection speaker. Disconnect the speaker off instantly.
8. This version can be controlled 500W amplifier, each channel using a relay control.
9. Power: AC 12-24V
10. PCB size: 6.9cm × 57mm
Note: All the elements, you need to solder by yourself
Package included:
1 x Dual Relay 7812+UPC1237 Speaker Protection Board Kit