27V 10A 270 watt AC/DC monitoring switching power supply 270w 27 volt 10 amp switching industrial power adapter transformer - AliExpress
120W 10A 9CH DC12V Switching CCTV Power Supply Box
Power Supply 27,4VDC/10A - Autronica Fire and Security
FIXED POWER SUPPLY 13.8 VDC / 10 A - Whadda
Amazon.com: DROK 24V Power Supply, AC 110V/220V to DC 0-24V 20A 480W Buck Converter, Variable Adjustable Adapter Regulated 5V 12V 24V Volt Switching Voltage LED Transformer 20A Amp Charger for Computer Lab :
Τροφοδοτικό switch 230V IN -> OUT 27VDC 150W 5.6A κλειστού τύπου PFC low profile RSP150-27 Mean Well