Solid State Relay SSR-40VA 500K ohm 2W to 24-480VAC 40A Single Phase Solid State Relay Resistance Voltage Regulator Authorized+Heat Sink+Potentiometer+A knob…

CGELE Solid State Relay SSR-40VA 500K ohm 2W to 24-480VAC 40A Single Phase Solid State Relay Resistance Voltage Regulator Authorized+Heat Sink+Potentiometer+A knob…

DROK Volt Amp Meter, AC 500V 200A Digital Voltmeter Ammeter Panel, 0.39 Inches LED 2in1 Multimeter, 2-Wire Voltage Amperage Tester Gauge with Current Transformer

Delinx 2Pcs AC DC Converter Module Universal 110V 120V 220V 230V to DC 5V 12V Isolated Switching Power Supply Board (DC 12V 1A Version)