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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
    Riello 220 → 415V Input Stand Alone Uninterruptible Power Supply, 10000VA (10kW), Sentinel Tower
    • RS-stocknr. 255-8483
    • Fabrikantnummer STW 10000
    Per stuk
    € 4.911,58
    MEAN WELL MDR Switched Mode DIN Rail Power Supply, 85 → 264V ac ac Input, 12V dc dc Output, 1.67A Output, 20W
    • RS-stocknr. 428-427
    • Fabrikantnummer MDR-20-12
    Per stuk
    € 58,31
    Eaton 176 → 276V Input Rack Mount, Stand Alone Uninterruptible Power Supply, 11000VA (10kW), 9SX
    • RS-stocknr. 250-0343
    • Fabrikantnummer 9SX11KIRT
    Per stuk
    € 7.386,50
    APC 230V Input Rack Mount UPS, 8000VA (8kW), SRT8KXLI
    • RS-stocknr. 287-7928
    • Fabrikantnummer SRT8KXLI
    Per stuk
    € 8.750,00
    TRACOPOWER Switching Power Supply, TXL 035-1212D, ±12V dc, 1.5A, 35W, Dual Output, 85 → 264V ac Input Voltage
    • RS-stocknr. 466-6862
    • Fabrikantnummer TXL 035-1212D
    Per stuk
    € 59,21
    PULS MiniLine MLY Switched Mode DIN Rail Power Supply, 100 → 240V ac ac Input, 15V dc dc Output, 4.2A Output, 50W
    • RS-stocknr. 424-6294
    • Fabrikantnummer ML50.102
    Per stuk
    € 131,85
    MEAN WELL WDR Switched Mode DIN Rail Power Supply, 180 → 550V ac ac Input, 24V dc dc Output, 5A Output, 120W
    • RS-stocknr. 765-4682
    • Fabrikantnummer WDR-120-24
    Per stuk
    € 164,27
    MEAN WELL NDR Switched Mode DIN Rail Power Supply, 90 → 264V ac ac Input, 24V dc dc Output, 5A Output, 120W
    • RS-stocknr. 122-2214
    • Fabrikantnummer NDR-120-24
    Per stuk
    € 95,75
    MEAN WELL Switching Power Supply, CSP-3000-400, 400V dc, 7.5A, 3kW, 1 Output, 180 → 264 V ac, 254 → 370 V
    • RS-stocknr. 186-0193
    • Fabrikantnummer CSP-3000-400
    Per stuk
    € 780,42
    Better World
    Siemens SITOP PSU4200 24 V / 20 A DIN Rail Power Supply, 120 V ac, 240 V ac ac Input, 24V dc dc Output, 5A Output
    • RS-stocknr. 282-3284
    • Fabrikantnummer 6EP3333-3SB00-0AX0
    Per stuk
    € 86,00
    MEAN WELL HDR Switched Mode DIN Rail Power Supply, 85 → 264 V ac, 120 → 370V dc, 24V dc dc Output, 4.2A
    • RS-stocknr. 145-7880
    • Fabrikantnummer HDR-100-24N
    Per stuk
    € 43,83
    TP-Link 2 Port POE Injector, 100 - 240V Input, 1A, 30W
    • RS-stocknr. 275-3549
    • Fabrikantnummer TL-POE160S
    Per stuk
    € 27,25
    Better World
    Schneider Electric ABLM1A Switched Mode DIN Rail Power Supply, 100 → 240V ac ac Input, 12V dc dc Output, 2.1A
    • RS-stocknr. 210-8379
    • Fabrikantnummer ABLM1A12021
    Per stuk
    € 102,60
    MEAN WELL Switching Power Supply, UHP-350-24, 24V dc, 14.6A, 350.4W, 1 Output, 127 → 370 V dc, 90 → 264 V
    • RS-stocknr. 174-8140
    • Fabrikantnummer UHP-350-24
    Per stuk
    € 106,31
    Delta Electronics DRF-240W Switched Mode DIN Rail Power Supply, 90 → 264V ac ac Input, 48V dc dc Output, 5A
    • RS-stocknr. 281-2512
    • Fabrikantnummer DRF-48V240W1GBA
    Per stuk
    € 100,46
    MEAN WELL Switching Power Supply, IRM-60-12ST, 12V dc, 5A, 60W, 1 Output, 85 → 264V ac Input Voltage
    • RS-stocknr. 135-8973
    • Fabrikantnummer IRM-60-12ST
    Per stuk
    € 22,26
    TRACOPOWER TPC Switched Mode DIN Rail Power Supply, 85 → 264 V ac / 90 → 375V dc ac, dc Input, 24V dc dc
    • RS-stocknr. 808-6649
    • Fabrikantnummer TPC 030-124
    Per stuk
    € 56,13
    Better World
    MEAN WELL 60W Power Brick AC/DC Adapter 24V dc Output, 2.5A Output
    • RS-stocknr. 880-8414
    • Fabrikantnummer GST60A24-P1J
    Per stuk
    € 29,62
    MEAN WELL NDR Switched Mode DIN Rail Power Supply, 90 → 264V ac ac Input, 24V dc dc Output, 3.2A Output, 75W
    • RS-stocknr. 122-2211
    • Fabrikantnummer NDR-75-24
    Per stuk
    € 81,36
    MEAN WELL 120W AC/DC Adapter 24V dc Output, 5A Output
    • RS-stocknr. 283-7427
    • Fabrikantnummer GST120A24-P1M
    Per stuk
    € 39,80
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