![DC Power Supply 20 V, 5 A
(230 V, 50/60 Hz), 1003312 [U33020-230], Power Supplies](/imagelibrary/U33020-230/U33020-230_01_DC-Power-Supply-20-V-5-A-230-V-5060-Hz.jpg)
| Product Information: .. |
| Specifications: .. |
| Mains voltage: | 230 V ±10% (50/60 Hz) |
| DC output: | 0 – 20 V; 0 – 5 A |
| Output power: | 100 W |
| Stability under full load: | ≤0.01% + 5 mV |
| ≤0.2% + 5 mA | |
| Residual ripple: | ≤1 mV; 3 mA |
| Displays: | 2 x 3 digit LED |
| Terminals: | 4 mm safety sockets |
| Dimensions: | 130 mm x 150 mm x 300 mm approx. |
| Weight: | 4.7 kg approx. |
| Weight | 5.4 kg |
| Dimensions | 35 x 20 x 22 cm |
| Brand | 3B Scientific |
![DC Power Supply 20 V, 5 A, 1003311 [U33020-115], Power Supplies](/thumblibrary/U33020-115/U33020-115_01_140_140_DC-Power-Supply-20-V-5-A.jpg)
![Experiment: Stirling Engine D (230 V, 50/60 Hz), 8000595 [UE2060100-230], Thermodynamic cycles](/thumblibrary/UE2060100-230/UE2060100-230_01_140_140_Experiment-Stirling-Engine-D-230-V-5060-Hz.jpg)
![Experiment: Ohm’s Law (230 V, 50/60 Hz), 8000613 [UE3020320-230], Charge transport and current](/thumblibrary/UE3020320-230/UE3020320-230_01_140_140_Experiment-Ohm-s-Law-230-V-5060-Hz.jpg)
![Experiment: Maltese-Cross Tube, Supplement (230 V, 50/60 Hz), 8000662 [UE3070300S-230], Experiments with Electron Tubes](/thumblibrary/UE3070300S-230/UE3070300S-230_01_140_140_Experiment-Maltese-Cross-Tube-Supplement-230-V-5060-Hz.jpg)
![Experiment: Photovoltaic Systems (230 V, 50/60 Hz), 8000778 [UE8020100-230], Photovoltaics](/thumblibrary/UE8020100-230/UE8020100-230_01_140_140_Experiment-Photovoltaic-Systems-230-V-5060-Hz.jpg)
![Experiment: Induction in a Moving Conductor Loop, Basic equipment (230 V, 50/60 Hz), 8000628 [UE3040200-230], Induction](/thumblibrary/UE3040200-230/UE3040200-230_01_140_140_Experiment-Induction-in-a-Moving-Conductor-Loop-Basic-equipment-230-V-5060-Hz.jpg)
![Experiment: Stefan-Boltzmann law (230 V, 50/60 Hz), 8000693 [UE4050200-230], Intensity of Radiation](/thumblibrary/UE4050200-230/UE4050200-230_01_140_140_Experiment-Stefan-Boltzmann-law-230-V-5060-Hz.jpg)
![Experiment: Electric Balance (230 V, 50/60 Hz), 8000763 [UE3030350-230], Magnetic fields](/thumblibrary/UE3030350-230/UE3030350-230_01_140_140_Experiment-Electric-Balance-230-V-5060-Hz.jpg)
![Experiment: Voltage on a Plate Capacitor (230 V, 50/60 Hz), 8000604 [UE3010800-230], Electrostatics](/thumblibrary/UE3010800-230/UE3010800-230_01_140_140_Experiment-Voltage-on-a-Plate-Capacitor-230-V-5060-Hz.jpg)
![Experiment: Inverse square law (230 V, 50/60 Hz), 8000691 [UE4050100-230], Intensity of Radiation](/thumblibrary/UE4050100-230/UE4050100-230_01_140_140_Experiment-Inverse-square-law-230-V-5060-Hz.jpg)
![Experiment: Lorentz Force (230 V, 50/60 Hz), 8000621 [UE3030300-230], Magnetic fields](/thumblibrary/UE3030300-230/UE3030300-230_01_140_140_Experiment-Lorentz-Force-230-V-5060-Hz.jpg)
![Experiment: Pohl’s Torsion Pendulum (230 V, 50/60 Hz), 8000559 [UE1050500-230], Oscillations](/thumblibrary/UE1050500-230/UE1050500-230_01_140_140_Experiment-Pohl-s-Torsion-Pendulum-230-V-5060-Hz.jpg)
![Experiment: Pohl’s Torsion Pendulum (230 V, 50/60 Hz), 8000561 [UE1050550-230], Oscillations](/thumblibrary/UE1050550-230/UE1050550-230_01_140_140_Experiment-Pohl-s-Torsion-Pendulum-230-V-5060-Hz.jpg)
![Experiment: Stirling Engine G (230 V, 50/60 Hz), 8000597 [UE2060250-230], Thermodynamic cycles](/thumblibrary/UE2060250-230/UE2060250-230_01_140_140_Experiment-Stirling-Engine-G-230-V-5060-Hz.jpg)
![Experiment: Heat conduction (230 V, 50/60 Hz), 8000581 [UE2020100-230], Heat transport](/thumblibrary/UE2020100-230/UE2020100-230_01_140_140_Experiment-Heat-conduction-230-V-5060-Hz.jpg)
![Experiment: Waltenhofen’s Pendulum (230 V, 50/60 Hz), 8000632 [UE3040400-230], Induction](/thumblibrary/UE3040400-230/UE3040400-230_01_140_140_Experiment-Waltenhofen-s-Pendulum-230-V-5060-Hz.jpg)
![Experiment: Dielectrics in plate capacitors (230 V, 50/60 Hz), 8000786 [UE3010850-230], Electrostatics](/thumblibrary/UE3010850-230/UE3010850-230_01_140_140_Experiment-Dielectrics-in-plate-capacitors-230-V-5060-Hz.jpg)
![Experiment: Perrin tube (230 V, 50/60 Hz), 8000664 [UE3070400-230], Electron tubes](/thumblibrary/UE3070400-230/UE3070400-230_01_140_140_Experiment-Perrin-tube-230-V-5060-Hz.jpg)
![Experiment: Voltage Dividers (230 V, 50/60 Hz), 8000617 [UE3020340-230], Charge transport and current](/thumblibrary/UE3020340-230/UE3020340-230_01_140_140_Experiment-Voltage-Dividers-230-V-5060-Hz.jpg)
![Experiment: Internal energy and electrical work (230 V, 50/60 Hz), 8000588 [UE2030400-230], Internal Energy](/thumblibrary/UE2030400-230/UE2030400-230_01_140_140_Experiment-Internal-energy-and-electrical-work-230-V-5060-Hz.jpg)
![Experiment: Photoconductivity (230 V, 50/60 Hz), 8000776 [UE6020400-230], Conduction Phenomena](/thumblibrary/UE6020400-230/UE6020400-230_01_140_140_Experiment-Photoconductivity-230-V-5060-Hz.jpg)
![Experiment: Speed of sound in air (230 V, 50/60 Hz), 8000567 [UE1070310-230], Acoustics](/thumblibrary/UE1070310-230/UE1070310-230_01_140_140_Experiment-Speed-of-sound-in-air-230-V-5060-Hz.jpg)
![Experiment: Kirchhoff’s Laws (230 V, 50/60 Hz), 8000615 [UE3020330-230], Charge transport and current](/thumblibrary/UE3020330-230/UE3020330-230_01_140_140_Experiment-Kirchhoff-s-Laws-230-V-5060-Hz.jpg)
![Experiment: Hall-effect in semiconductors (230 V, 50/60 Hz), Basic equipment, 8000728 [UE6020200-230], Conduction Phenomena](/thumblibrary/UE6020200-230/UE6020200-230_01_140_140_Experiment-Hall-effect-in-semiconductors-230-V-5060-Hz-Basic-equipment.jpg)
![Set of 15 Safety Experiment Leads, 75 cm, 1002843 [U138021], Circuits](/thumblibrary/U138021/U138021_01_140_140_Set-of-15-Safety-Experiment-Leads-75-cm.jpg)
![Safety Experiment Leads, 75 cm, blue, red, (2 pcs), 1017718 [U13816], Experiment Leads and Cables](/thumblibrary/U13816/U13816_01_140_140_Safety-Experiment-Leads-75-cm-blue-red-2-pcs.jpg)
![Barrel Foot, 1 kg, 1002834 [U13265], Bases](/thumblibrary/U13265/U13265_01_140_140_Barrel-Foot-1-kg.jpg)
![Universal Clamp, 1002830 [U13255], Clamps](/thumblibrary/U13255/U13255_01_140_140_Universal-Clamp.jpg)
![Tripod Stand 150 mm, 1002835 [U13270], Bases](/thumblibrary/U13270/U13270_01_140_140_Tripod-Stand-150-mm.jpg)
![Function Generator FG 100 (230 V, 50/60 Hz), 1009957 [U8533600-230], Function Generators](/thumblibrary/U8533600-230/U8533600-230_01_140_140_Function-Generator-FG-100-230-V-5060-Hz.jpg)
![Digital Multimeter P3340, 1002785 [U118091], Hand-held Digital Measuring Instruments](/thumblibrary/U118091/U118091_01_140_140_Digital-Multimeter-P3340.jpg)
![Photo Gate, 1000563 [U11365], Sensors for Physics](/thumblibrary/U11365/U11365_01_140_140_Photo-Gate.jpg)
![Pocket Measuring Tape, 2 m, 1002603 [U10073], Measurement of Length](/thumblibrary/U10073/U10073_01_140_140_Pocket-Measuring-Tape-2-m.jpg)
![Digital Counter (230 V, 50/60 Hz), 1001033 [U8533341-230], Digital Counters](/thumblibrary/U8533341-230/U8533341-230_01_140_140_Digital-Counter-230-V-5060-Hz.jpg)
![Set of 15 Experiment Leads, 75 cm 1 mm², 1002840 [U13800], Circuits](/thumblibrary/U13800/U13800_01_140_140_Set-of-15-Experiment-Leads-75-cm-1-mm.jpg)
![Analogue Multimeter ESCOLA 100, 1013527 [U8557380], Hand-held Analog Measuring Instruments](/thumblibrary/U8557380/U8557380_01_140_140_Analogue-Multimeter-ESCOLA-100.jpg)
![Digital Multimeter P1035, 1002781 [U11806], Hand-held Digital Measuring Instruments](/thumblibrary/U11806/U11806_01_140_140_Digital-Multimeter-P1035.jpg)
![Clamp with Hook, 1002828 [U13252], Clamps](/thumblibrary/U13252/U13252_01_140_140_Clamp-with-Hook.jpg)
![Tubing, Silicone 6 mm, 1002622 [U10146], Hose, Flow hose](/thumblibrary/U10146/U10146_01_140_140_Tubing-Silicone-6-mm.jpg)
![High Voltage Power Supply 5 kV (230 V, 50/60 Hz), 1003310 [U33010-230], Power Supplies](/thumblibrary/U33010-230/U33010-230_01_140_140_High-Voltage-Power-Supply-5-kV-230-V-5060-Hz.jpg)
![K-Type NiCr-Ni Immersion Sensor, -65°C – 550°C, 1002804 [U11854], Thermometers](/thumblibrary/U11854/U11854_01_140_140_K-Type-NiCr-Ni-Immersion-Sensor-65-C-550-C.jpg)
![HF Patch Cord, BNC/4 mm Plug, 1002748 [U11257], Experiment Leads and Cables](/thumblibrary/U11257/U11257_01_140_140_HF-Patch-Cord-BNC4-mm-Plug.jpg)
![Safety Experiment Leads, 75 cm, black, (2 pcs), 1002849 [U13812], Experiment Leads and Cables](/thumblibrary/U13812/U13812_01_140_140_Safety-Experiment-Leads-75-cm-black-2-pcs.jpg)
![Set of 10 Beakers,600 ml, Low Form, 1002872 [U14210], Glassware](/thumblibrary/U14210/U14210_01_140_140_Set-of-10-Beakers-600-ml-Low-Form.jpg)