3V 5V Low Control High Voltage 12V 24V 36V Switch Mosfet Module for Arduino Connect IO MCU PWM Control Motor Speed 22A: Amazon.com: Industrial & Scientific
Kungber DC Power Supply Variable with Memory, 30V 5A Adjustable Switching Regulated DC Bench Linear Power Supply with Memory Recall and Output Disable Button 4 Digits Display and Alligator Leads: Amazon.com: Industrial
Kemo M103N Master/Slave Switch 230V/AC (400V/AC) Turns off other load when the machine is turned on, lamp etc. Monitoring 1-phase or 3-phase machines, Black : Amazon.de: Electronics & Photo
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Bipolar (BJT) Single Transistor, NPN, 800 V, 175 W, 10 A, 4 hFE: Amazon.com: Industrial & Scientific
Amazon.com: Linkstyle 5 Pack Upgraded Round Rocker Toggle Switch 12V 3 Pin SPST Prewired ON Off Rocker Toggle Switch with Shell and Blue Led Light for Car Truck Boat Marine Off-Road Vehicle :