100A 5000W High-Power Soft Start Circuit Power Board for Class A Amplifier Amp F
Description:
 
100% Brand New and High Quality
 
Name: High Power Soft Start Circuit Power Supply Board
 
Relay: RGL high-power super-current 100A pure copper feet relay
 
Size: 78.5mm x 55.5mm (L*W)
 
Application: Suitable for high-end audio power input, or other large start current machine applications.
Use power suitable for within 5000W.
 
 
Power Supply: AC 220V
 
Notice:  The item can not work on 110V
 
 
 
Main Features:
 
The soft-start board function is to reduce the instantaneous impact current to reduce the machine's impact on the grid and extend the life of the switch. This board uses ultra-high current (100A) pure copper foot relay and oversized thermistor NTC 20D-20, which effectively protects the machine from excessive startup current.
 
 
This board does not need auxiliary power supply, only two terminals, one connected to the power input (before you can connect a switch control), an output load, the use of very convenient.
 
 
 
Working Principle:
 
Turn on the power supply early, through the negative temperature coefficient of the thermistor to the load power supply, with the thermistor temperature increases, the resistance decreases, the voltage rises slowly, thus effectively suppress the surge current on the impact of the line and other electrical Impact. About 5 seconds after the relay pull, short-circuit thermistor, the power supply through the relay contacts directly to the load power supply, load into the normal working condition.
 
Packing List:
 
1pcs x High Power Soft Start Circuit Power Supply Board
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