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      AlibabaElectrical Equipment & SuppliesPower SuppliesSwitching Power SupplyWholesale 4 source

      4 Source

      (58220 products available)

      500VA AC Power Supply APS-51005 Programmable Laboratory Variable Frequency Converter IGBT AC Power Source

      500VA AC Power Supply APS-51005 Programmable Laboratory Variable Frequency Converter IGBT AC Power Source

      Ready to Ship
      $395.00 - $465.00
      Min Order: 5 sets
      Shipping per piece: $166.25
      CN
      9 yrs
      4.8
      /5
      ·
      5 reviews
      ·
      "good service"
      Contact Supplier
      Laboratory Power Supply 60V 20A Current Regulator Switch Power Supply Adjustable Voltage Regulator Bench Source Digital

      Laboratory Power Supply 60V 20A Current Regulator Switch Power Supply Adjustable Voltage Regulator Bench Source Digital

      Ready to Ship
      $114.99 - $129.99
      $229.98-$259.98
      Min Order: 2 units
      Shipping per piece: $63.50
      CN
      8 yrsverify
      4.8
      /5
      ·
      82 reviews
      ·
      "fast delivery"
      Contact Supplier
      ATX 500W Computer Switch Power Supply 500W 600W 700W APFC 80 PLUS Bronze Power Source for Gaming PC

      ATX 500W Computer Switch Power Supply 500W 600W 700W APFC 80 PLUS Bronze Power Source for Gaming PC

      $12.89 - $13.79
      Min Order: 2 pieces
      Rating Power: 401W - 500W
      CN
      3 yrsverify
      4.2
      /5
      ·
      2 reviews
      ·
      "excellent customer service"
      Contact Supplier
      Longwei PDS-306M 4Led Adjustable Bench Power Supply 30V 6A Lab Variable Switch Power Source For Cell Phones Voltage Stabilizer

      Longwei PDS-306M 4Led Adjustable Bench Power Supply 30V 6A Lab Variable Switch Power Source For Cell Phones Voltage Stabilizer

      $33.90 - $35.90
      Min Order: 2 pieces
      CN
      15 yrs
      4.6
      /5
      ·
      7 reviews
      ·
      "Helpful supplier"
      Contact Supplier
      MCH Factory Switch DC Power Supply Digital Display Adjustable Laboratory Power Source 60V 5A 30V 10A 100V 3A

      MCH Factory Switch DC Power Supply Digital Display Adjustable Laboratory Power Source 60V 5A 30V 10A 100V 3A

      Ready to Ship
      $36.00 - $38.00
      Min Order: 1 unit
      Shipping per piece: $23.00
      CN
      17 yrs
      5.0
      /5
      ·
      2 reviews
      ·
      "fast shipping"
      Contact Supplier
      LW PS-3010DF 30V 10A Desktop LED Display Laboratory Test DC Power Supply Adjustable Digital Switching Power Source Professional

      LW PS-3010DF 30V 10A Desktop LED Display Laboratory Test DC Power Supply Adjustable Digital Switching Power Source Professional

      Ready to Ship
      $61.70 - $68.60
      Min Order: 20 units
      Shipping per piece: $8.98
      CN
      6 yrsverify
      4.7
      /5
      ·
      67 reviews
      ·
      "fast delivery"
      Contact Supplier
      WANPTEK BENCH DC ADJUSTABLE POWER SUPPLY, DC POWER SOURCE, 120V 3A, 4-BIT, LAB, ELECTRONICS DESIGN, ELECTROPLATE, NPS1203W

      WANPTEK BENCH DC ADJUSTABLE POWER SUPPLY, DC POWER SOURCE, 120V 3A, 4-BIT, LAB, ELECTRONICS DESIGN, ELECTROPLATE, NPS1203W

      Ready to Ship
      $50.00 - $52.00
      Min Order: 1 piece
      Shipping per piece: $23.02
      CN
      4 yrs
      4.8
      /5
      ·
      17 reviews
      ·
      "good shipping"
      Contact Supplier
      Wholesale Computer Accessories Pc Switching Power Supply 650W APFC 80 Plus Stock Hydraulic 24pin 12V PSU Desktop Pc Power Source

      Wholesale Computer Accessories Pc Switching Power Supply 650W APFC 80 Plus Stock Hydraulic 24pin 12V PSU Desktop Pc Power Source

      $9.90 - $30.00
      Min Order: 2 pieces
      Rating Power: 601W - 700W
      CN
      6 yrsverify
      5.0
      /5
      ·
      21 reviews
      ·
      "patient service"
      Contact Supplier
      32V 10A High Power Supply DC Regulated Power Source Four DP3010MF Digital Adjustable Lab Bench Power Supply Laptop Repair Rework

      32V 10A High Power Supply DC Regulated Power Source Four DP3010MF Digital Adjustable Lab Bench Power Supply Laptop Repair Rework

      Ready to Ship
      $47.99 - $49.99
      Min Order: 2 pieces
      Shipping per piece: $23.68
      CN
      6 yrsverify
      4.9
      /5
      ·
      141 reviews
      ·
      "Quick delivery"
      Contact Supplier
      PCIe5.0 Bronze 80plus 750W Computer Switching power supply power supply atx psu power source

      PCIe5.0 Bronze 80plus 750W Computer Switching power supply power supply atx psu power source

      $32.00 - $35.00
      Min Order: 1000 pieces
      Rating Power: 701W - 800W
      CN
      13 yrs
      5.0
      /5
      ·
      1 reviews
      ·
      "customer service"
      Contact Supplier
      MYAMI MY-K3005F 30V 5A New Style 4 Digits Switch Lab DC Power Supply Adjustable Digital Display Laboratory Power Source 0.001A

      MYAMI MY-K3005F 30V 5A New Style 4 Digits Switch Lab DC Power Supply Adjustable Digital Display Laboratory Power Source 0.001A

      Ready to Ship
      $25.00 - $30.00
      Min Order: 1 piece
      Shipping per piece: $25.55
      CN
      4 yrsverify
      4.9
      /5
      ·
      28 reviews
      ·
      "efficient shipping"
      Contact Supplier
      12v Switch Ul Listed Ac Converter Adapter Dc 12 Volt Psu 60w Trafo Smps 12volt 5amp Power Supply Source 12 V 5a Ac Plug Adapter

      12v Switch Ul Listed Ac Converter Adapter Dc 12 Volt Psu 60w Trafo Smps 12volt 5amp Power Supply Source 12 V 5a Ac Plug Adapter

      $5.99 - $6.30
      Min Order: 5 pieces
      CN
      14 yrsverify
      5.0
      /5
      ·
      14 reviews
      ·
      "Fast delivery"
      Contact Supplier
      Full HD medical cameras with endoscopic light source for humans and animals

      Full HD medical cameras with endoscopic light source for humans and animals

      $1,299.00 - $6,999.00
      Min Order: 1 piece
      CN
      5 yrs
      4.5
      /5
      ·
      5 reviews
      ·
      "reliable supplier"
      Contact Supplier
      Kernel KN-2200A Colposcopes Equipment for a colposcopy examination with HD camera LED light source

      Kernel KN-2200A Colposcopes Equipment for a colposcopy examination with HD camera LED light source

      $1,600.00 - $2,500.00
      Min Order: 1 unit
      CN
      5 yrs
      4.0
      /5
      ·
      7 reviews
      ·
      "Good service"
      Contact Supplier
      10w Portable LED Medical Light Source Endoscopy Led Light Source

      10w Portable LED Medical Light Source Endoscopy Led Light Source

      $45.00 - $50.00
      Min Order: 2 sets
      CN
      1 yrsverify
      5.0
      /5
      ·
      7 reviews
      ·
      "fast delivery"
      Contact Supplier
      Customized 80 PLUS Power supply 700W 800W 900W 1000w APFC power supply power source for Gaming PC ATX psu

      Customized 80 PLUS Power supply 700W 800W 900W 1000w APFC power supply power source for Gaming PC ATX psu

      $29.88 - $35.00
      Min Order: 300 pieces
      Rating Power: > 1000W
      CN
      5 yrsverify
      4.7
      /5
      ·
      30 reviews
      ·
      "Recommend factory"
      Contact Supplier
      hd 1080p medical endoscope camera with led light source

      hd 1080p medical endoscope camera with led light source

      $999.00 - $7,999.00
      Min Order: 1 piece
      CN
      12 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Programmable 220V ac to 100V 20A 24A Digital Adjustable Switching Lab DC Power Supply Source with Constant Current and Voltage

      Programmable 220V ac to 100V 20A 24A Digital Adjustable Switching Lab DC Power Supply Source with Constant Current and Voltage

      $690.00 - $810.00
      Min Order: 5 pieces
      CN
      2 yrs
      5.0
      /5
      ·
      3 reviews
      ·
      "good service"
      Contact Supplier
      RUIX White GX750 650W 80plus Bronze Economic fuentes de poder Power Source 650W Atx Power Supply Fuente De Alimentacion Pc

      RUIX White GX750 650W 80plus Bronze Economic fuentes de poder Power Source 650W Atx Power Supply Fuente De Alimentacion Pc

      $38.80
      Min Order: 500 sets
      Rating Power: 601W - 700W
      CN
      2 yrs
      5.0
      /5
      ·
      12 reviews
      ·
      "fast shipping"
      Contact Supplier
      High Quality Computer Psu Power Supply 600w Desktop Gaming PC Source

      High Quality Computer Psu Power Supply 600w Desktop Gaming PC Source

      $32.67 - $37.68
      Min Order: 200 pieces
      Rating Power: 501W - 600W
      CN
      4 yrsverify
      4.5
      /5
      ·
      62 reviews
      ·
      "good service"
      Contact Supplier
      4 Digits USB DC Lab Power Supply Adjustable 30V 10A 60V 5A 120V 3A Accurate Regulated Voltage Regulator Switching Bench Source

      4 Digits USB DC Lab Power Supply Adjustable 30V 10A 60V 5A 120V 3A Accurate Regulated Voltage Regulator Switching Bench Source

      $39.10 - $43.60
      Min Order: 5 pieces
      CN
      4 yrsverify
      4.9
      /5
      ·
      11 reviews
      ·
      "excellent service"
      Contact Supplier
      1800W computer power supply 230v 90V 80plus Gold atx psu server power supplies Source Support 8 GPU Graphics Card

      1800W computer power supply 230v 90V 80plus Gold atx psu server power supplies Source Support 8 GPU Graphics Card

      $64.50 - $67.50
      Min Order: 2 pieces
      Rating Power: > 1000W
      CN
      4 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      "fast delivery"
      Contact Supplier
      180-277V 360W 420W 500W 650W 800W 1000W 1200W 1500W UV LED light power source for UV LED Ultraviolet LED Light

      180-277V 360W 420W 500W 650W 800W 1000W 1200W 1500W UV LED light power source for UV LED Ultraviolet LED Light

      $50.72 - $173.90
      Min Order: 5 pieces
      CN
      4 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      "helpful supplier"
      Contact Supplier
      1080P 27inch 4 in 1 Full hd Laparoscopy Camera Medical Endoscope System with USB Record Light Source

      1080P 27inch 4 in 1 Full hd Laparoscopy Camera Medical Endoscope System with USB Record Light Source

      $1,999.00 - $2,799.00
      Min Order: 1 unit
      CN
      2 yrsverify
      4.9
      /5
      ·
      35 reviews
      ·
      "Great service"
      Contact Supplier
      MY-K3005F 30V 5A New Style 4 Digits Switch Lab DC Power Supply Adjustable Digital Display Laboratory Power Source 0.001A

      MY-K3005F 30V 5A New Style 4 Digits Switch Lab DC Power Supply Adjustable Digital Display Laboratory Power Source 0.001A

      $9.99 - $199.99
      Min Order: 5 pieces
      CN
      1 yrs
      5.0
      /5
      ·
      2 reviews
      ·
      Contact Supplier
      4 Digits USB DC Lab Power Supply Adjustable 30V 10A 60V 5A 120V 3A Accurate Regulated Voltage Regulator Switching Bench Source

      4 Digits USB DC Lab Power Supply Adjustable 30V 10A 60V 5A 120V 3A Accurate Regulated Voltage Regulator Switching Bench Source

      $30.00 - $40.00
      Min Order: 5 pieces
      CN
      9 yrs
      3.7
      /5
      ·
      22 reviews
      ·
      "good service"
      Contact Supplier
      GX950 850W 80plus Bronze Power Source for dc Gaming PC ATX Computer Switch Power Supply

      GX950 850W 80plus Bronze Power Source for dc Gaming PC ATX Computer Switch Power Supply

      $39.80
      Min Order: 500 sets
      Rating Power: 701W - 800W
      CN
      1 yrs
      5.0
      /5
      ·
      8 reviews
      ·
      "customer service"
      Contact Supplier
      atx 6pin Newst gaming power supply 500W ATX 80 plus Free 850W 80plus Bronze Power Source for dc Gaming PC ATX Computer Switch Po

      atx 6pin Newst gaming power supply 500W ATX 80 plus Free 850W 80plus Bronze Power Source for dc Gaming PC ATX Computer Switch Po

      $8.00 - $8.12
      Min Order: 2 pieces
      Rating Power: 251W - 300W
      CN
      3 yrs
      4.9
      /5
      ·
      23 reviews
      ·
      "Good service"
      Contact Supplier
      ATX 2000W Power Supply 220V For Computer Mini Machine Power Source 24Pin PSU 12V

      ATX 2000W Power Supply 220V For Computer Mini Machine Power Source 24Pin PSU 12V

      $50.00 - $55.00
      Min Order: 1 piece
      Rating Power: > 1000W
      CN
      4 yrs
      4.9
      /5
      ·
      70 reviews
      ·
      "fast delivery"
      Contact Supplier
      SPS-E305 R-SPS3010 R-SPS605 30V 5A/10A 60V 5A Adjustable voltage switching power supply constant current source

      SPS-E305 R-SPS3010 R-SPS605 30V 5A/10A 60V 5A Adjustable voltage switching power supply constant current source

      $20.00 - $40.00
      Min Order: 5 pieces
      CN
      3 yrs
      4.8
      /5
      ·
      5 reviews
      ·
      "timely shipment"
      Contact Supplier
      60W Long Strip Switching Power Supply with Fan AC220V to DC12V Power Supply Source Adapter For Led Strip CCTV

      60W Long Strip Switching Power Supply with Fan AC220V to DC12V Power Supply Source Adapter For Led Strip CCTV

      $4.00 - $4.30
      Min Order: 5 pieces
      Output Voltage: 12V
      CN
      7 yrsverify
      4.6
      /5
      ·
      8 reviews
      ·
      "fast delivery"
      Contact Supplier
      For EVGA 700 BR PC Power Source Max 700w Power Supply for PC Power Supply 100- BR-0700-K1 100-BR-0700-K1

      For EVGA 700 BR PC Power Source Max 700w Power Supply for PC Power Supply 100- BR-0700-K1 100-BR-0700-K1

      $36.00 - $40.00
      Min Order: 2 pieces
      Rating Power: 701W - 800W
      CN
      2 yrs
      4.9
      /5
      ·
      26 reviews
      ·
      "customer service"
      Contact Supplier
      RST-5000-24/36/48 5000W Meanwell RF application CC source power supply

      RST-5000-24/36/48 5000W Meanwell RF application CC source power supply

      $700.00 - $710.00
      Min Order: 1 piece
      CN
      9 yrs
      4.9
      /5
      ·
      10 reviews
      ·
      "fast service"
      Contact Supplier
      Power Source DC Bench 4-Digits Displaying Adjustable Switching 100V 5A DC Big Power Supply Variable with Intelligent Cooling Fan

      Power Source DC Bench 4-Digits Displaying Adjustable Switching 100V 5A DC Big Power Supply Variable with Intelligent Cooling Fan

      $119.42 - $139.29
      Min Order: 1 set
      CN
      5 yrsverify
      4.6
      /5
      ·
      236 reviews
      ·
      "Excellent service"
      Contact Supplier
      SPPS-C3010 Encoder 30V 10A Voltage Regulator Power supply Battery Charge Plating 4 Digital Display DC switching power supplies

      SPPS-C3010 Encoder 30V 10A Voltage Regulator Power supply Battery Charge Plating 4 Digital Display DC switching power supplies

      Ready to Ship
      $40.66 - $45.56
      $41.49-$46.49
      Min Order: 2 pieces
      Shipping per piece: $25.38
      CN
      5 yrs
      4.5
      /5
      ·
      6 reviews
      ·
      "excellent service"
      Contact Supplier
      Aipupower low cost ic 220V 110V to 3V/5V/9V/12V/24V LED Lighting source power supply module for PCB mount /smart homes 10w

      Aipupower low cost ic 220V 110V to 3V/5V/9V/12V/24V LED Lighting source power supply module for PCB mount /smart homes 10w

      $0.50 - $4.99
      Min Order: 5 pieces
      CN
      8 yrs
      5.0
      /5
      ·
      4 reviews
      ·
      "Great service"
      Contact Supplier
      ATX 2000W Power Supply 220V For Computer Mini Machine Power Source 24Pin PSU 12V

      ATX 2000W Power Supply 220V For Computer Mini Machine Power Source 24Pin PSU 12V

      $47.50 - $48.06
      Min Order: 2 pieces
      Rating Power: > 1000W
      CN
      4 yrsverify
      4.7
      /5
      ·
      77 reviews
      ·
      "Fast delivery"
      Contact Supplier
      15000W High Frequency Switching 60V 250A 50V 300A 30V 500A Adjustable Variable 15kW AC DC Power Supply Source 250/300/500 amp

      15000W High Frequency Switching 60V 250A 50V 300A 30V 500A Adjustable Variable 15kW AC DC Power Supply Source 250/300/500 amp

      $3,000.00 - $8,000.00
      Min Order: 1 piece
      CN
      9 yrs
      4.8
      /5
      ·
      5 reviews
      ·
      "good service"
      Contact Supplier
      Factory Price DC Variable Power Supply 120V 3A Switching Adjustable Power Source for Mobile Phone Repairing

      Factory Price DC Variable Power Supply 120V 3A Switching Adjustable Power Source for Mobile Phone Repairing

      Ready to Ship
      $56.77 - $64.27
      $75.70-$85.70
      Min Order: 1 unit
      Shipping per piece: $30.52
      CN
      8 yrsverify
      4.8
      /5
      ·
      82 reviews
      ·
      "fast delivery"
      Contact Supplier
      Power Display MCH Factory Switch DC Power Supply Digital Display Adjustable Laboratory Power Source 60V 5A 30V 10A 100V 3A

      Power Display MCH Factory Switch DC Power Supply Digital Display Adjustable Laboratory Power Source 60V 5A 30V 10A 100V 3A

      Ready to Ship
      $39.00 - $41.00
      Min Order: 1 unit
      Shipping per piece: $23.00
      CN
      17 yrs
      5.0
      /5
      ·
      2 reviews
      ·
      "fast shipping"
      Contact Supplier
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      About products and suppliers

      58220 4 source products are offered for sale by suppliers on Alibaba.com, of which switching power supply accounts for 1%, pc power supplies accounts for 1%, and other ultrasonic & electronic equipment accounts for 1%. A wide variety of 4 source options are available to you, such as black, silver.
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