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Amazon.com: JINGMAIDA Switching Power Supply DC 40V 45A 1800w Power Adapter Driver Transformer 110V AC DC 40V for CCTV, Computer Project, 3D Printer, LED Strip Light, Router : Tools & Home Improvement
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LTF LED 18watt constant current electronic 10V-40VDC Output with a 277VAC Input Class 2 Power Supply DE18W440C1040BF
Larson Electronics - 1.5 kW Programmable DC Power Supply - 85 -265V AC Input - 0-40V DC Output - LXI TCP/IP Ethernet
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