Description:
This is a high-power speaker protect relay board 2.1 channel speaker DC protector module. This common power DC Speaker Protection Board uses an optocoupler. Since the optocoupler has input and output isolation. The Speaker Protection Board has electrical signal transmission and has the characteristics of unidirectionality, so it has good electrical insulation and anti-interference ability. Since the input end of the optocoupler belongs to the low-resistance type of current type operation, the Speaker Protection Board has strong common mode suppression capability. Speaker Protection Board is made of classic UPC1237 specially designed speaker protect the integrated board, with a heat sink on relay power supply IC. With two functions, one is the power on delay (3 seconds) function, and the other is the DC protection function( effective for at least 1V). With an LED indicator, the light will be on as the relay pull-in during working; printed with the component name on the board, simple to wire it up with your appliance.
Specifications:
- Input Voltage: DC12-16V or AC12-16V
- Channel Design: Independent 3 Channels
- Can Withstand Power: Power Within 300Wx3
- Power on Delay Time: 3S
- With LED Indicator: Yes
Features:
- The speaker protector board can be operated with AC 12~15V and it needs a separate power supply to be powered.
- Made of classic UPC1237 specially designed speaker protect the integrated board, with a heat sink on relay power supply IC.
- Adaptable and reliable for higher voltage and long-time working, low heat generated during working.
- The Speaker Protection Board comes with two functions, one is the power on delay (3 seconds) function, and the other is the DC protection function( effective for at least 1V).
- The Speaker Protection Board comes with an LED indicator, the light will be on as the relay pull-in during working; printed with the component name on the board, simple to wire it up with your appliance.
Package Included:
1 x Speaker Protection Board, High Power Speaker Protect Relay Board 2.1 Channel Speaker DC Protector Module
