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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

    8912 Producten voor Power Supplies

    9 van 446
    Omron Switching Power Supply, S8FS-G05024C, 24V dc, 2.2A, 50W, 1 Output, 100 → 240V ac Input Voltage
    • RS-stocknr. 181-3804
    • Fabrikantnummer S8FS-G05024C
    Per stuk
    € 45,37
    MEAN WELL Switching Power Supply, UHP-1500-48, 48V dc, 31.5A, 1.512kW, 1 Output, 250 → 370 V dc, 90 → 264
    • RS-stocknr. 192-3586
    • Fabrikantnummer UHP-1500-48
    Per stuk
    € 475,10
    APC 230V Input Rack Mount UPS, 6000VA (6kW), SRT6KRMXLI-6W
    • RS-stocknr. 287-7927
    • Fabrikantnummer SRT6KRMXLI-6W
    Per stuk
    € 7.475,00
    Siemens Switched Mode DIN Rail Power Supply, 340 → 550V ac ac Input, 24V dc dc Output, 10A Output, 240W
    • RS-stocknr. 196-3639
    • Fabrikantnummer 6EP1434-2BA20
    Per stuk
    € 209,00
    RS PRO 12W Plug-In AC/DC Adapter 12V dc Output, 1A Output
    • RS-stocknr. 124-2190
    Per stuk
    € 14,14
    Recom Power Line Filter, for use with RECOM Power Supply, RLS Series
    • RS-stocknr. 185-5861
    • Fabrikantnummer RLS-226
    Per stuk
    € 0,86
    Friwo 7.2W Plug-In AC/DC Adapter 24V dc Output, 300mA Output
    • RS-stocknr. 117-6609
    • Fabrikantnummer EDV1898113RS
    Per stuk
    € 30,79
    Ezurio Plug-In AC/DC Adapter 12V dc Output, 4A Output
    • RS-stocknr. 212-0309
    • Fabrikantnummer 223-00008
    Per stuk
    € 12,79
    RS PRO 65W Plug-In AC/DC Adapter 15V dc Output, 4.33A Output
    • RS-stocknr. 204-7564
    Per stuk
    € 29,49
    XP Power 36W Plug-In AC/DC Adapter 15V dc Output, 2.4A Output
    • RS-stocknr. 123-4871
    • Fabrikantnummer VEL36US150-EU-JA
    Per stuk
    € 18,43
    Omron S8VK-G Switched Mode DIN Rail Power Supply, 100 → 240 V ac / 90 → 350V dc ac, dc Input, 24V dc dc
    • RS-stocknr. 776-9510
    • Fabrikantnummer S8VK-G48024
    Per stuk
    € 324,50
    Siemens 22 → 29V dc Input DIN Rail Uninterruptible Power Supply (360W), SITOP UPS500S
    • RS-stocknr. 668-0532
    • Fabrikantnummer 6EP1933-2EC51
    Per stuk
    € 487,00
    APC UPS Replacement Battery Cartridge, for use with Smart-UPS, UPS
    • RS-stocknr. 779-4064
    • Fabrikantnummer APCRBC106
    Per stuk
    € 69,99
    Planet 2 Port POE Injector, 48V dc Input, 56V dc Output, 30W
    • RS-stocknr. 283-7528
    • Fabrikantnummer IPOE-162
    Per stuk
    € 154,80
    Omron Switching Power Supply, S8FS-C15024J, 24V dc, 6.5A, 150W, 1 Output, 100 → 240V ac Input Voltage
    • RS-stocknr. 215-4149
    • Fabrikantnummer S8FS-C15024J
    Per stuk
    € 95,55
    Mascot 12W Plug In Power Supply 12V dc Output, 1A Output
    • RS-stocknr. 400-6838
    • Fabrikantnummer 9881000048
    Per stuk
    € 25,68
    Hama 65W USB Adapter Plug In Power Supply 5 → 20V Output, 3.25A Output
    • RS-stocknr. 325-044
    • Fabrikantnummer 00200006
    Per stuk
    € 54,17
    MEAN WELL Switching Power Supply, MPM-30-12ST, 12V dc, 2.5A, 30W, 1 Output, 80 → 264V ac Input Voltage
    • RS-stocknr. 174-8076
    • Fabrikantnummer MPM-30-12ST
    Per stuk
    € 31,47
    Phoenix Contact QUINT POWER Switched Mode DIN Rail Power Supply, 240V ac ac Input, 15V dc dc Output, 2A Output, 100W
    • RS-stocknr. 260-0950
    • Fabrikantnummer 2904596
    Per stuk
    € 127,00
    MEAN WELL Rack Kit, for use with RKP
    • RS-stocknr. 733-2045
    • Fabrikantnummer RKP-1UIRS
    Per stuk
    € 496,29
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