Bench Power Supplies

A bench power supply is an essential piece of equipment if you do a lot of electronics or other powered projects on your bench and need a reliable source of power at different voltages. They are very useful tools in testing circuits, as they allow you to adjust the voltage to a specific value depending on what project you are working on. A variable DC bench power supply also allows you to set a maximum current, so if there is a short circuit in your project the bench supply will shut down hopefully preventing any harm to some components in your project. Bench power supplies are versatile, accurate and stable and don’t cost too much.

When it comes to power you have 4 units to be aware of, Current, Voltage, Power and Resistance. It's very important that if you are supplying your circuit with some voltage, your supply can keep up with the current drawn.

Types Of Power Supplies

There are two basic types of power supplies in common use: linear and switch-mode. Both are available for use as bench DC power supplies.

Linear power supplies operate by rectifying AC line power to create DC and then filtering and regulating it to produce a user-selectable voltage or current levels. Linear supplies are heavier because the 50 Hz or 60 Hz transformer and associated filters are physically larger.

Switch-mode power supplies start out the same way, rectifying and filtering AC line input voltage, however, they chop (or "switch") the DC into high-frequency AC. Switch-mode power supplies are significantly smaller, lighter and more efficient than linear power supplies, so they have replaced linear supplies in many applications.

Areas of application:

  • General laboratory
  • Education
  • Industry
  • Research
  • Production
  • Workshops

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Description Price Output Voltage Bench Power Supply Type Model Number Output Current Number of Outputs Type Power Rating Supply Voltage Number of Displays Input Connector Output Connector Calibrated Minimum Temperature Maximum Temperature
RS Stock No. 707-2866
Mfr. Part No.PLH120
BrandAim-TTi
MYR2,544.09
Each
units
0 → 120V Adjustable Power Supply - 750mA 1 Digital 90W 115 V ac, 230V ac 2 IEC 320 Binding Post Terminal - +5°C +40°C
RS Stock No. 705-5013
Mfr. Part No.PWS2326
BrandTektronix
MYR3,043.31
Each
units
0 → 30V Adjustable Power Supply - 6A 1 Digital - 110 V ac, 220V ac 2 IEC 320 Binding Post Terminal - 0°C +40°C
RS Stock No. 121-7529
Mfr. Part No.BK1693
MYR2,955.26
Each
units
15V Switching Power Supply - 60A 1 Digital 900W 100 V ac, 240V ac 2 IEC 320 Binding Post Terminal - 0°C +40°C
RS Stock No. 665-4874
Mfr. Part No.EL301R
BrandAim-TTi
MYR1,189.32
Each
units
0 → 30V Laboratory Power Supply - 0 → 1A 1 Digital 30W 115 V ac, 230V ac 2 IEC 320 Binding Post Terminal - +5°C +40°C
RS Stock No. 123-3563
BrandRS PRO
MYR1,135.63
Each
units
0 → 30V - - 3A 1 Analogue 90W 100 → 240V ac 2 IEC 320 Plug-In Terminal Block - 0°C +40°C
RS Stock No. 878-2088
Mfr. Part No.BK9111
MYR2,244.03
Each
units
60V Multi Range DC Power Supply - 8A 1 Digital 180W 110 V ac, 220V ac 2 IEC 320 Binding Post Terminal - 0°C +40°C
RS Stock No. 753-1450
Mfr. Part No.QL564 SII
BrandAim-TTi
MYR2,854.37
Each
units
0 → 56V Precision DC Power Supply - 2 A, 4A 1 Digital 112W 115 V ac, 230V ac 2 IEC 320 Binding Post Terminal - +5°C +40°C
RS Stock No. 493-8000
Mfr. Part No.PS 3016-20B
MYR3,233.23
Each
units
0 → 16V Laboratory Power Supply - 20A 1 Digital 320W 115 V ac, 230V ac 2 IEC 320 Binding Post Terminal - 0°C +40°C
RS Stock No. 447-7577
Mfr. Part No.KAT 10VD
BrandKert
MYR947.24
Each
units
0 → 15V Stabilised Power Supply - 10A 1 Digital - 230V ac 1 Schuko Plug Binding Post Terminal - -10°C +40°C
RS Stock No. 885-3708
Mfr. Part No.E3631A + AT90DH
MYR7,563.57
1 Kit
Kit(s)
6 V, 25 V - - 1 A, 5 A 3 Digital 80W 100 V ac, 115 V ac, 230 V ac 2 IEC 320 Binding Post Terminal - 0°C +40°C
RS Stock No. 123-3570
BrandRS PRO
MYR1,755.47
Each
units
0 → 40V Switching Power Supply - 5A 1 Digital 200W 115 V ac, 230V ac 1 IEC 320 Plug-In Terminal Block - 0°C +40°C
RS Stock No. 705-5004
Mfr. Part No.PWS2323
BrandTektronix
MYR2,515.52
Each
units
0 → 30V Adjustable Power Supply - 3A 1 Digital - 110 V ac, 220V ac 2 IEC 320 Binding Post Terminal - 0°C +40°C
RS Stock No. 437-9007
Mfr. Part No.EX4210R
BrandAim-TTi
MYR3,496.55
Each
units
0 → 42V - - 0 → 10A 1 Digital 420W 115 V ac, 230 V ac 2 IEC 320 Binding Post Terminal - +5°C +40°C
RS Stock No. 667-7378
Mfr. Part No.E3643A
MYR5,032.71
Each
units
0 → 60V Programmable DC Power Supply - 1.4 A, 800mA 1 Digital 49W 110 V ac, 230V ac 2 IEC 320 Binding Post Terminal - 0°C +55°C
RS Stock No. 705-5016
Mfr. Part No.PWS2721
BrandTektronix
MYR2,515.52
Each
units
0 → 72V Adjustable Power Supply - 1.5A 1 Digital - 110 V ac, 220V ac 2 IEC 320 Binding Post Terminal - 0°C +40°C
RS Stock No. 705-5010
Mfr. Part No.PWS4205
BrandTektronix
MYR5,461.71
Each
units
0 → 20V Programmable DC Power Supply - 5A 1 Digital 100W 110 V ac, 220V ac 1 IEC 320 Binding Post Terminal - 0°C +40°C
RS Stock No. 493-8016
Mfr. Part No.PS 3065-03B
MYR2,036.10
Each
units
0 → 65V Laboratory Power Supply - 3A 1 Digital 160W 115 V ac, 230V ac 2 IEC 320 Binding Post Terminal - 0°C +40°C
RS Stock No. 705-5026
Mfr. Part No.PWS4602
BrandTektronix
MYR6,459.43
Each
units
0 → 60V Programmable DC Power Supply - 2.5A 1 Digital 150W 110 V ac, 220V ac 1 IEC 320 Binding Post Terminal - 0°C +40°C
RS Stock No. 155-440
Mfr. Part No.PL601
BrandAim-TTi
MYR1,998.06
Each
units
0 → 60V Precision DC Power Supply - 0 → 1A 1 Digital 90W 115 V ac, 230V ac 2 IEC 320 Binding Post Terminal - +5°C +40°C
RS Stock No. 538-9027
Mfr. Part No.EA-PS 524-11 R
MYR811.26
Each
units
22 → 29V Mini Power Supply - 10.5A 1 Analogue 300W 90 → 264V ac - IEC 320 Screw Terminal - 0°C +40°C