Bench Power Supply Variable 30V/10A 3-Digital Display Precision Regulated Fine and Coarse Adjustment Switching Power Supply with Alligator Leads for Maintenance Scientific Research, Product Development and Laboratories: Amazon.ca: Industrial & Scientific
ICEpower 500ASP Class D Audio Amplifier with Power Supply Module 1 x 500W
KCD3 34*40 Big Rocker Switches With Red Ligh Three Way Switch 9 Pin 2 Position multi knife single throw 16A/30A 250V AC ON OFF|Switches| - AliExpress
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50pcs 3 Way Dip Switches SPST 3 Position 2.54mm 0.100" SMD Slide Standard Actuator Flush Recessed Gull Wing Reflow Solderable|spst switch|position switchspst slide switch - AliExpress