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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

    8849 Producten voor Power Supplies

    1 van 443
    MEAN WELL 120W AC/DC Adapter 24V dc Output, 5A Output
    • RS-stocknr. 283-7427
    • Fabrikantnummer GST120A24-P1M
    Per stuk
    € 39,80
    TDK-Lambda Switching Power Supply, RWS300B-48, 48V dc, 6.3A, 302W, 1 Output, 120 → 370 V dc, 85 → 265 V
    • RS-stocknr. 813-9121
    • Fabrikantnummer RWS300B-48
    Per stuk
    € 94,29
    RS PRO Switch Mode DIN Rail Power Supply, 90 → 264V ac ac Input, 24V dc dc Output, 1.25A Output, 36W
    • RS-stocknr. 225-9904
    Per stuk
    € 51,98
    Hama 45W USB Adapter Plug In Power Supply 5 → 20V Output, 3A Output
    • RS-stocknr. 325-042
    • Fabrikantnummer 00200005
    Per stuk
    € 39,37
    RS PRO 60W Plug-In AC/DC Adapter 24V dc Output, 2.5A Output
    • RS-stocknr. 139-2356
    Per stuk
    € 35,13
    Phoenix Contact TRIO POWER Switched Mode DIN Rail Power Supply, 400V ac ac Input, 24V dc dc Output, 5A Output, 120W
    • RS-stocknr. 540-719
    • Fabrikantnummer 2866462
    Per stuk
    € 150,83
    TRACOPOWER Switching Power Supply, TMP 15215C, ±15V dc, 500mA, 15W, Dual Output, 120 → 370 V dc, 85 → 264
    • RS-stocknr. 664-1474
    • Fabrikantnummer TMP 15215C
    Per stuk
    € 51,57
    MEAN WELL HDR Switched Mode DIN Rail Power Supply, 85 → 264 V ac, 120 → 370V dc, 24V dc dc Output, 630mA
    • RS-stocknr. 145-7862
    • Fabrikantnummer HDR-15-24
    Per stuk
    € 17,96
    MEAN WELL Switching Power Supply, RS-15-12, 12V dc, 1.3A, 15.6W, 1 Output, 120 → 370 V dc, 85 → 264 V ac
    • RS-stocknr. 413-667
    • Fabrikantnummer RS-15-12
    Per stuk
    € 15,93
    MEAN WELL Switching Power Supply, LRS-35-5, 5V dc, 7A, 35W, 1 Output, 120 → 373 V dc, 85 → 264 V ac Input
    • RS-stocknr. 106-5822
    • Fabrikantnummer LRS-35-5
    Per stuk
    € 24,64
    TDK-Lambda DPP15-100 DIN Rail Power Supply, 85 → 264V ac ac Input, 5V dc dc Output, 5A Output, 25W
    • RS-stocknr. 283-1779
    • Fabrikantnummer DPP25-5
    Per stuk
    € 54,05
    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
    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
    MEAN WELL Switching Power Supply, RSP-200-12, 12V dc, 16.7A, 200W, 1 Output, 124 → 370 V dc, 88 → 264 V
    • RS-stocknr. 777-2881
    • Fabrikantnummer RSP-200-12
    Per stuk
    € 89,83
    Phihong 12W Plug-In AC/DC Adapter 9V dc Output, 1.33A Output
    • RS-stocknr. 124-2078
    • Fabrikantnummer PSAC12R-090(RS)
    Per stuk
    € 24,36
    Better World
    MEAN WELL 22W Power Brick AC/DC Adapter 7.5V dc Output, 0 → 2.93A Output
    • RS-stocknr. 117-6127
    • Fabrikantnummer GST25A07-P1J
    Per stuk
    € 17,76
    Exsys Single Port POE Injector, 12V Input, 48V dc Output, 30W
    • RS-stocknr. 284-4434
    • Fabrikantnummer EX-6006POE
    Per stuk
    € 117,80
    Recom DIN Rail Mounting Kit, for use with Recom RAC-/ST, RAC Series
    • RS-stocknr. 675-5119
    • Fabrikantnummer 20900003
    Per stuk
    € 4,01
    APC 230V Input UPS, 1500VA (865W), BR1500G-GR
    • RS-stocknr. 287-7915
    • Fabrikantnummer BR1500G-GR
    Per stuk
    € 569,00
    RS PRO 50.4W Plug-In AC/DC Adapter 24V dc Output, 2.1A Output
    • RS-stocknr. 201-2632
    Per stuk
    € 27,87
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