4000W AMP Power Soft Start Board High Power 100A High Current Relay Suitable for Class A Power Amplifier

Product Description The function of the soft start board is to reduce the impact current at the moment of starting in order to reduce the impact of the machine on the power grid and prolong the life of the switch This board uses an ultra large current 100A pure copper foot relay and a large thermistor NTC 20D 20 to effectively protect the machine against excessive starting current This board does not require an auxiliary power supply There are only two terminals one is connected to the power input before the switch is controlled and one output is connected to the load It is very convenient to use Main feature Power Soft start Board high power 100A high current Relay For Class A power amplifieror other large starting current machineThe board uses 100A large current RGL relay silver contacts pure copper connection durable No additional auxiliary add power supply only two terminals one connected to the power input before a switch control one output Connect Load Easy to use Scope of application Suitable for high grade audio power input or other large starting current machine applications The power is suitable for use within 1500W 3500W Long term 1500W Power supply voltage adaptation range AC 150V to 280V Size 67mmX61mmX30mm high Working principle When the power is turned on the negative temperature coefficient thermistor supplies power to the load As the temperature of the thermistor increases the resistance value decreases and the voltage rises s