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XP Power PLS6004002.5 Programmable DC Power Supply, 0 to 400 Vdc, 0 to
Lambda Power Supply - 200 - 400 Vdc to 24Vdc, 3.2A | eBay
Mean Well CSP-3000-400
Programmable Digital Display Adjustable 380vac 230v Ac To 400v Dc 25a 10kw Power Supply Ac Dc 400vdc Ac Converter - Switching Power Supply - AliExpress
RT400 AC DC Tube Power Rectifier Kit (880uF/400V)_Power Supply Kit_Analog Metric - DIY Audio Kit Developer
600v Dc Power Supply | 400v Power Supply | Power Supply 500v | Dc Supply 500v - Switching Power Supply - Aliexpress
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