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3B Scientific™ DC Power Supply 0–500V Products for Science Education

Electron tube power supply with four outputs.

Manufacturer:  3B Scientific™ U33000115

Catalog No. S96507

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Supplies power for electron tube, including Helmholtz coils. DC voltages stabilized, regulated and galvanically isolated.

500V output:

  • Voltage: 0–500VDC, max. 50mA
  • Stability at full load: ≤0.01% ±100mV
  • Residual ripple: ≤20mV
50V output:
  • Voltage: 0–50VDC, max. 50mA
  • Stability at full load: ≤0.1% ±30mV
  • Residual ripple: ≤50mV
12V output:
  • Voltage: 0–12VDC, max. 4A
  • Residual ripple: ≤0.1% ±30mV
  • Overload protection: Thermal cut-out
8V output:
  • Voltage: 0–8VDC, max. 3A
  • Residual ripple: ≤0.1% ±30mV
  • Overload protection: Thermal cut-out


  • Displays: analog, class 2
  • Connections: 4mm safety sockets
  • Power consumption: 50VA

Order Info

Dimensions: approximately 3.3 × 12.8 × 7.5 in. (8.5 × 32.5 × 19.0cm); weight: approximately 10 lb. (4kg)



115 V, 50/60Hz
DC Power Supply
18.85 lb.
115 V
50/60 Hz
8.55 kg
Product Certifications
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