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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

    7 van 446
    Siemens SITOP Switched Mode DIN Rail Power Supply, 400 → 500V ac ac Input, 24V dc dc Output, 5A Output, 120W
    • RS-stocknr. 243-0148
    • Fabrikantnummer 6EP1433-0AA00
    Per stuk
    € 219,00
    Better World
    Schneider Electric ABLS1A Switched Mode DIN Rail Power Supply, 100 → 240V ac ac Input, 24V dc dc Output, 3.8A
    • RS-stocknr. 210-8397
    • Fabrikantnummer ABLS1A24038
    Per stuk
    € 131,94
    XP Power 45W Power Brick AC/DC Adapter 12V dc Output, 4A Output
    • RS-stocknr. 175-9082
    • Fabrikantnummer AKM45US12
    Per stuk
    € 30,63
    Cosel Embedded Switch Mode Power Supply (SMPS), PBA600F-48, 48V dc, 13A, 624W, 1 Output, 120 → 350 V dc, 85
    • RS-stocknr. 102-046
    • Fabrikantnummer PBA600F-48
    Per stuk
    € 440,50
    APC 230V Input Rack Mount UPS, 8000VA (8kW), SRT8KXLI
    • RS-stocknr. 287-7928
    • Fabrikantnummer SRT8KXLI
    Per stuk
    € 8.750,00
    APC UPS Replacement Battery Cartridge, for use with Smart-UPS, UPS
    • RS-stocknr. 779-4005
    • Fabrikantnummer RBC11
    Per stuk
    € 579,00
    Siemens SIMATIC S7-1200 Switched Mode DIN Rail Power Supply, 85 → 132V ac ac Input, 24V dc dc Output, 2.5A
    • RS-stocknr. 668-0554
    • Fabrikantnummer 6EP1332-1SH71
    Per stuk
    € 92,00
    APC UPS Source Transfer Switch, for use with AP9335T, AP9335TH, AP Series
    • RS-stocknr. 287-7169
    • Fabrikantnummer AP4421A
    Per stuk
    € 1.050,00
    Phoenix Contact AC-DC Power Supply, 2904614, 24V dc, 2.5A, 96W, Dual Output, 100 → 240V ac Input Voltage
    • RS-stocknr. 255-9499
    • Fabrikantnummer 2904614
    Per stuk
    € 235,17
    APC 230V Input Rack Mount UPS, 750VA (600W), SMTL750RMI2UC
    • RS-stocknr. 287-7271
    • Fabrikantnummer SMTL750RMI2UC
    Per stuk
    € 1.300,00
    RS PRO 3W Plug-In AC/DC Adapter 9V dc Output, 330mA Output
    • RS-stocknr. 139-1778
    Per stuk
    € 11,70
    MEAN WELL Switching Power Supply, RD-50B, 5 V dc, 24 V dc, 1.4 A, 4 A, 53.6W, Dual Output, 125 → 373 V dc, 88
    • RS-stocknr. 644-7089
    • Fabrikantnummer RD-50B
    Per stuk
    € 50,83
    APC 230V Input Stand Alone Uninterruptible Power Supply, 900VA (540W), Back UPS Pro BR
    • RS-stocknr. 215-3210
    • Fabrikantnummer BR900MI
    Per stuk
    € 281,59
    Better World
    Eaton 100 → 276 (With Derating) V, 176 → 276 (Without Derating) V Input Rack Mount, Stand Alone
    • RS-stocknr. 125-3915
    • Fabrikantnummer 9PX3000IRT3U Eaton 9PX 3000i RT3U
    Per stuk
    € 3.243,27
    XP Power AC-DC Power Supply, LCW200PS05, 5V, 40A, 200W, 1 Output, 85 → 305V ac Input Voltage
    • RS-stocknr. 230-7325
    • Fabrikantnummer LCW200PS05
    Per stuk
    € 48,77
    MOXA Single Port PoE Splitter, 44 → 75V dc Input, 24V dc Output, 12.95W
    • RS-stocknr. 255-3478
    • Fabrikantnummer SPL-24
    Per stuk
    € 179,96
    Better World
    Schneider Electric ABLM1A Switched Mode DIN Rail Power Supply, 100 → 240V ac ac Input, 12V dc dc Output, 4.17A
    • RS-stocknr. 210-8380
    • Fabrikantnummer ABLM1A12042
    Per stuk
    € 148,68
    APC 160 → 286V Input Rack Mount Uninterruptible Power Supply, 750VA (500W), Smart-UPS SMT
    • RS-stocknr. 188-0196
    • Fabrikantnummer SMT750RMI2UC
    Per stuk
    € 704,06
    Socomec 230V Input Stand Alone Uninterruptible Power Supply, 2000VA (2kW), ITYS
    • RS-stocknr. 233-2974
    • Fabrikantnummer ITY3-TW020B
    Per stuk
    € 958,73
    TRACOPOWER AC-DC Power Supply, TPP 15-112A-J, 12V dc, 1.25A, 15W, 1 Output, 120 → 370 V dc, 85 → 264 V ac
    • RS-stocknr. 157-8370
    • Fabrikantnummer TPP 15-112A-J
    Per stuk
    € 32,47
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