3B DC Power Supply 8/12/50/500 V

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The 0 – 500V DC power supply is especially intended for operating electron tubes, including Helmholtz coils. With four independent, adjustable DC voltages. The DC voltages are stabilised, regulated, floating, and galvanically isolated from one another, in addition to being short circuit proof and secure from external voltages. The output voltages are shown by four analogue displays.

• Displays: analogue, class 2
• Connections: 4mm safety sockets
• Power consumption: 50VA
• Dimensions: 85mm x 325mm x 190mm approx.
• Weight: 4kg approx.

500V Output

• Voltage: 0 – 500V DC, max. 50mA
• Stability at full load: ≤0.01% ±100mV
• Residual ripple: ≤20mV

50V Output

• Voltage: 0 – 50V DC, max. 50mA
• Stability at full load: ≤0.1% ±30mV
• Residual ripple: ≤5mV

12V Output

• Voltage: 0 – 12V DC, max. 4A
• Stability at full load: ≤0.1% ±30mV

8V Output

• Voltage: 0 – 8V DC, max. 3A
• Stability at full load: ≤0.1% ±30mV