Desktop External AC-DC Power Supply Series

CUI Desktop External AC-DC Power Supply Series has been expanded to meet the more stringent average efficiency and no load power requirements to meet Level VI efficiency standards. The external power supplies feature a wide universal input voltage range of 90-264Vac and are available in single output voltages of 12, 15, 16, 18, 19, 24, and 48Vdc depending on the series. They offer UL/cUL, GS, and PSE safety approvals and meet the radiated and conducted emission requirements for FCC Part 15B Class B. Additional features include power factor correction as well as over voltage and short circuit protections.

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Description Datasheet Availability Pricing (RON) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model AC Plug included/required
Region
Input Voltage
Number of Outputs
Output Power
Output Voltage-Channel 1
Output Current-Channel 1
Industry
Connector Type
DC Output Connector
DC Output Lead Length
Efficiency
Series
CUI Inc. Desktop AC Adapters 50W 12V 4.2A Lvl VI C8 2.1x5.5 plug
Datasheet
144In Stock
Min.: 1
Mult.: 1

Required Universal 230 VAC 1 Output 50 W 12 VDC 4.2 A Industrial Barrel Connector 2.1 mm Barrel Plug (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 18V 2.78A Lvl VI C14 2.5x5.5 plug
Datasheet
361In Stock
Min.: 1
Mult.: 1

Required Universal 230 VAC 1 Output 50 W 18 VDC 2.78 A Industrial Barrel Connector 2.5 mm Barrel Plug (2.5x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 24V 2.1A Lvl VI C14 2.1x5.5 plug
Datasheet
118In Stock
240Expected 12/10/2026
Min.: 1
Mult.: 1

Required Universal 230 VAC 1 Output 50 W 24 VDC 2.1 A Industrial Barrel Connector 2.1 mm Barrel Plug (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 12V 4.2A Lvl VI C14 2.5x5.5 plug
Datasheet
162In Stock
520Expected 11/26/2026
Min.: 1
Mult.: 1

Required Universal 230 VAC 1 Output 50 W 12 VDC 4.2 A Industrial Barrel Connector 2.5 mm Barrel Plug (2.5x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 24V 2.1A Lvl VI C14 2.1x5.5 NA cord
Datasheet
93In Stock
Min.: 1
Mult.: 1

Included North America 230 VAC 1 Output 50 W 24 VDC 2.1 A Industrial Barrel Connector 2.1 mm Barrel Plug (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U

CUI Inc. Desktop AC Adapters 50W 12V 4.2A Lvl VI C14 2.1x5.5 plug
Datasheet
127In Stock
Min.: 1
Mult.: 1

Required Universal 230 VAC 1 Output 50 W 12 VDC 4.2 A Industrial Barrel Connector 2.1 mm Barrel Plug (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 45W 9V 5A Lvl VI C14 2.1x5.5 plug
Datasheet
59In Stock
Min.: 1
Mult.: 1

Required Universal 230 VAC 1 Output 45 W 9 V 5 A Industrial Barrel Connector 2.1 mm Barrel Plug (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 24V 2.1A Lvl VI C8 2.1x5.5 plug
Datasheet
6In Stock
240Expected 9/7/2026
Min.: 1
Mult.: 1

Required Universal 230 VAC 1 Output 50 W 24 VDC 2.1 A Industrial Barrel Connector 2.1 mm Barrel Plug (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 12V 4.2A Lvl VI C8 2.1x5.5 NA cord
Datasheet
110In Stock
Min.: 1
Mult.: 1

Included North America 230 VAC 1 Output 50 W 12 VDC 4.2 A Industrial Barrel Connector 2.1 mm Barrel Plug (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 24V 2.1A Lvl VI C8 2.1x5.5 plug
Datasheet
490On Order
Min.: 1
Mult.: 1

Required Universal 230 VAC 1 Output 50 W 24 VDC 2.1 A Industrial Barrel Connector 2.1 mm Barrel Plug (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 12V 4.2A Lvl VI C14 RA 2.1x5.5 plug
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 520
Mult.: 40

Required Universal 230 VAC 1 Output 50 W 12 V 4.2 A Industrial Barrel Connector 2.1 mm Barrel Plug, Right Angle (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 12V 4.2A Lvl VI C14 RA 2.5x5.5 plug
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 520
Mult.: 40

Required Universal 90 VAC to 264 VAC 1 Output 50 W 12 V 4.2 A Industrial Barrel Connector 2.5 mm Barrel Plug, Right Angle (2.5x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 12V 4.2A Lvl VI C14 2.1x5.5 NA cord
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 510
Mult.: 30

Included North America 230 VAC 1 Output 50 W 12 V 4.2 A Industrial Barrel Connector 2.1 mm Barrel Plug (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 12V 4.2A Lvl VI C8 RA 2.1x5.5 plug
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 240
Mult.: 40

Required Universal 230 VAC 1 Output 50 W 12 V 4.2 A Industrial Barrel Connector 2.1 mm Barrel Plug, Right Angle (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 12V 4.2A Lvl VI C8 2.5x5.5 plug
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 240
Mult.: 40

Required Universal 230 VAC 1 Output 50 W 12 V 4.2 A Industrial Barrel Connector 2.5 mm Barrel Plug (2.5x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 12V 4.2A Lvl VI C8 RA 2.5x5.5 plug
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 520
Mult.: 40

Required Universal 90 VAC to 264 VAC 1 Output 50 W 12 V 4.2 A Industrial Barrel Connector 2.5 mm Barrel Plug, Right Angle (2.5x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 15V 3.34A Lvl VI C14 2.1x5.5 plug
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 240
Mult.: 40

Required Universal 230 VAC 1 Output 50 W 15 V 3.34 A Industrial Barrel Connector 2.1 mm Barrel Plug (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 15V 3.34A Lvl VI C14 RA 2.1x5.5 plug
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 520
Mult.: 40

Required Universal 230 VAC 1 Output 50 W 15 V 3.34 A Industrial Barrel Connector 2.1 mm Barrel Plug, Right Angle (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 15V 3.34A Lvl VI C14 2.5x5.5 plug
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 520
Mult.: 40

Required Universal 230 VAC 1 Output 50 W 15 V 3.34 A Industrial Barrel Connector 2.5 mm Barrel Plug (2.5x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 15V 3.34A Lvl VI C14 RA 2.5x5.5 plug
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 520
Mult.: 40

Required Universal 90 VAC to 264 VAC 1 Output 50 W 15 V 3.34 A Industrial Barrel Connector 2.5 mm Barrel Plug, Right Angle (2.5x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 15V 3.34A Lvl VI C8 2.1x5.5 plug
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 520
Mult.: 40

Required Universal 230 VAC 1 Output 50 W 15 V 3.34 A Industrial Barrel Connector 2.1 mm Barrel Plug (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 15V 3.34A Lvl VI C8 RA 2.1x5.5 plug
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 520
Mult.: 40

Required Universal 230 VAC 1 Output 50 W 15 V 3.34 A Industrial Barrel Connector 2.1 mm Barrel Plug, Right Angle (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 15V 3.34A Lvl VI C8 2.5x5.5 plug
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 520
Mult.: 40

Required Universal 230 VAC 1 Output 50 W 15 V 3.34 A Industrial Barrel Connector 2.5 mm Barrel Plug (2.5x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 15V 3.34A Lvl VI C8 RA 2.5x5.5 plug
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 520
Mult.: 40

Required Universal 90 VAC to 264 VAC 1 Output 50 W 15 V 3.34 A Industrial Barrel Connector 2.5 mm Barrel Plug, Right Angle (2.5x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U
CUI Inc. Desktop AC Adapters 50W 18V 2.78A Lvl VI C14 2.1x5.5 plug
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 520
Mult.: 40

Required Universal 230 VAC 1 Output 50 W 18 V 2.78 A Industrial Barrel Connector 2.1 mm Barrel Plug (2.1x5.5) 1.5 m Level VI, CoC Tier 2 SDI50-U