Integrated shunt resistance, short circuit alarm is normal in no-load test; it can be used according to the wiring diagram. XH-2.54-3P red, black and yellow wire (thin wire length: 155mm) Thin red line: positive pole of the working power supply, cannot connect to a power supply above ...
The first nail to take and put. The seller may not issue a gauge with the shunt. Buy a shunt and don't worry about it. Without instruments and experience, you're gonna make him shit. Please can it measure 100A dc current? Yes but need 100A shunt...