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GB350

Powerbox

Power Supply Unit for MRT Systems

Powerbox’s GB350 buckconverter module is the first building block in its category that is able to operate safely when exposed to high radiation magnetic fields of 2 to 4 Tesla. GB350 delivers an output power of 350W and when higher power levels are required it can be paralleled using an interleaving mode thus reducing EMI. Modern MRI systems usually generate 1.5 to 4 Tesla, making conventional power supplies using ferrite material useless due to inductance saturation as a result of the MRI magnet disturbing the energy transfer. To prevent parasitic saturation, power supplies are traditionally positioned outside the shielded operation room. Installing the power supplies remotely requires long cables with subsequent power losses, and it is also a big challenge to power the latest generation of measuring equipment that require stable and tightly regulated voltages under fast transient load conditions.

Product features

Fully DSP-regulated converter

For use in strong magnetic fields

Ventilation with integrated speed control

80 dB screen for the front connectors

Special casing for optimized ventilation

New technology with magnetic coreless inductivity

2.4 MHz switching frequency

GB350 models

Model # Input voltage AC Input voltage DCnom
(min-max)
Output power Outputs Vnom (min-max) Outputs A max
GB350N/A13 (10 to 15)VDC350W
Output 1:
6.9 (N/A to N/A)VDC
Output 2:
3.45 (N/A to N/A)VDC
Output 3:
1.65 (N/A to N/A)VDC
Output 1:
60A
Output 2:
50A
Output 3:
50A

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