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    Power Supplies

    We have a wide selection of power supply units (PSUs) for use in various domestic and industrial applications. Our range includes AC-DC power supply adapters and desktop computer power supply suitable for domestic applications, as well as bench power supplies, DIN Rail and panel mount power supplies and switch mode PSU.

    What is a power supply?

    Power supplies are a crucial aspect of any electrical equipment, providing reliable power to machinery, computers or other technology devices. A power supply changes a source electric current, such as a mains plug, to the correct voltage, frequency and current needed to operate the equipment safely.

    How do power supplies work?

    A power supply is used to reduce mains or three phase electricity, often at 240 Vac or 440 Vac down to a voltage that is usable, such as 12 Vdc. The PSU also converts the current rating, in the form of AMPS, to a level that is safe for the device that is to be powered.

    What is the difference between the types of power supplies?

    There are three main types of power supply: unregulated, linear and switch mode.

    An unregulated power supply is the most basic type, they typically output a lot of ripple voltage (i.e. rapidly-varying instability) on the DC output power. If the input voltage varies, the output voltage will vary by a proportional amount. The advantage of an unregulated supply is that it's affordable, simple, and efficient.A linear power supply is similar in construction to an unregulated power supply, with the advantage of an added transistor circuit to regulate the output to a fixed voltage. A switch mode supply, also known as switching power supply, works by stabilising the mains electricity voltage in order to produce a clean, efficient and stable output voltage.

    What is power supply efficiency?

    Power supply efficiency is known as the amount of power actually provided to the internal circuitry, divided by the amount of power drawn from the mains supply. If a PSU is 50% efficient and is required to provide 50 Watts of power, 100 Watts will be drawn from the main supply. The extra 50 W is lost as heat. A 90% efficient PSU would draw 56 W in the same circumstances.

    What industries can power supplies be used in?

    Here are some common industries and environments power supplies can be used in:

    • Machine and panel building
    • Maintenance
    • Marine & offshore
    • Military & defence
    • Automotive
    • Electrical wiring
    • Domestic
    • Food and beverage
    • Manufacturing
    AC/DC Adapters
    AC/DC Adapters
    DIN Rail Power Supplies
    DIN Rail Power Supplies
    Generators
    Generators
    Linear Power Supplies
    Linear Power Supplies
    PC Power Supplies
    PC Power Supplies
    PoE Injectors
    PoE Injectors
    Power Supply Accessories
    Power Supply Accessories
    Switching Power Supplies
    Switching Power Supplies
    Uninterruptible Power Supplies
    Uninterruptible Power Supplies

    8998 Producten voor Power Supplies

    1 van 450
    Phoenix Contact 85 → 264 V ac, 100 → 350V dc Input DIN Rail Uninterruptible Power Supply (48W), MINI-DC
    • RS-stocknr. 665-7854
    • Fabrikantnummer 2866640
    Per stuk
    € 251,75
    BEL POWER SOLUTIONS INC Switching Power Supply, MPB125-4350G, 3.3 V dc, 5 V dc, 5 A, 10 A, 15 A, 500 mA, 125W, Quad
    • RS-stocknr. 833-7436
    • Fabrikantnummer MPB125-4350G
    Per stuk
    € 150,75
    MEAN WELL Switching Power Supply, RSP-1000-48, 48V dc, 21A, 1kW, 1 Output, 127 → 370 V dc, 90 → 264 V ac
    • RS-stocknr. 150-966
    • Fabrikantnummer RSP-1000-48
    Per stuk
    € 401,91
    MEAN WELL Switching Power Supply, CSP-3000-250, 250V dc, 12A, 3kW, 1 Output, 180 → 264 V ac, 254 → 370 V
    • RS-stocknr. 186-0192
    • Fabrikantnummer CSP-3000-250
    Per stuk
    € 515,11
    TRACOPOWER Redundancy module, for use with TCL, TCL Series
    • RS-stocknr. 725-9114
    • Fabrikantnummer TCL-REM240
    Per stuk
    € 49,68
    Phoenix Contact UNO POWER Switched Mode DIN Rail Power Supply, 100 → 240V ac ac Input, 24V dc dc Output, 4.2A
    • RS-stocknr. 239-3638
    • Fabrikantnummer 1088851
    Per stuk
    € 90,32
    Better World
    Siemens Selectivity Module, SITOP PSE200U Series
    • RS-stocknr. 769-7361
    • Fabrikantnummer 6EP1961-2BA41
    Per stuk
    € 129,00
    Omron S8VK-C Switched Mode DIN Rail Power Supply, 100 → 240 V ac / 90 → 350V dc ac, dc Input, 24V dc dc
    • RS-stocknr. 786-6456
    • Fabrikantnummer S8VK-C06024
    Per stuk
    € 49,72
    Idec PS5R Switched Mode DIN Rail Power Supply, 85 → 264 V ac / 100 → 370V dc ac, dc Input, 24V dc dc
    • RS-stocknr. 179-5352
    • Fabrikantnummer PS5R-VD24
    Per stuk
    € 55,83
    Better World
    Schneider Electric ABLS1A Switched Mode DIN Rail Power Supply, 100→240 V ac / 140→340V dc ac, dc Input,
    • RS-stocknr. 210-8398
    • Fabrikantnummer ABLS1A24050
    Per stuk
    € 150,12
    Phoenix Contact QUINT POWER Switched Mode DIN Rail Power Supply, 400V ac ac Input, 24V dc dc Output, 5A Output, 120W
    • RS-stocknr. 540-707
    • Fabrikantnummer 2866734
    Per stuk
    € 217,35
    Siemens SITOP PSU6200 Switched Mode DIN Rail Power Supply, 120 → 230V ac ac Input, 24V dc dc Output, 20A Output
    • RS-stocknr. 223-3857
    • Fabrikantnummer 6EP3336-7SC00-3AX0
    Per stuk
    € 437,00
    Phoenix Contact TRIO POWER Switched Mode DIN Rail Power Supply, 85 → 264V ac ac Input, 24V dc dc Output, 5A
    • RS-stocknr. 134-633
    • Fabrikantnummer 2866310
    Per stuk
    € 146,12
    Siemens SIMATIC S7-300 Switched Mode DIN Rail Power Supply, 120 → 230V ac ac Input, 24V dc dc Output, 5A Output,
    • RS-stocknr. 714-1256
    • Fabrikantnummer 6ES7307-1EA01-0AA0
    Per stuk
    € 227,00
    MEAN WELL Switching Power Supply, UHP-750-36, 36V dc, 20.9A, 752.4W, 1 Output, 127 → 370 V dc, 90 → 264 V
    • RS-stocknr. 186-0185
    • Fabrikantnummer UHP-750-36
    Per stuk
    € 229,80
    APC 230V ac Input Floor Mount UPS, 1600VA (900W), BVX1600LI
    • RS-stocknr. 287-7226
    • Fabrikantnummer BVX1600LI
    Per stuk
    € 199,99
    APC 24V Input Uninterruptible Power Supply (240W)
    • RS-stocknr. 256-5310
    • Fabrikantnummer BVS240XDPDR
    Per stuk
    € 129,99
    APC 230V Input Stand Alone UPS, 1600VA (900W), BX1600MI-FR
    • RS-stocknr. 287-7238
    • Fabrikantnummer BX1600MI-FR
    Per stuk
    € 249,99
    Phoenix Contact Redundancy module, for use with DIN Rail Unit, QUINT-DIODE/48DC/2X20/1X40 Series
    • RS-stocknr. 739-7893
    • Fabrikantnummer 2320160
    Per stuk
    € 147,41
    TRACOPOWER TCL Switched Mode DIN Rail Power Supply, 85 → 264 V ac / 85 → 375V dc ac, dc Input, 24V dc dc
    • RS-stocknr. 457-3035
    • Fabrikantnummer TCL 120-124
    Per stuk
    € 149,32
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