At Electronica Powerbox introduces breakthrough products and technologies for Industry 4.0, Modern Railway & Medical applications

Powerbox, one of Europe’s largest power supply companies and a leading force for 4 decades in optimizing power solutions for demanding applications, introduces four new power supplies designed to power Industry 4.0.


The Powerbox Industrial Line expands with four series, based on the latest power switching technologies ; LLC, synchronous rectification, active PFC, low leakage current and energy optimization. From 80W up to 400W, the OBM33, OBM35, OBP37 and OBP38 deliver single output voltages from 12V to 48V suitable for the new generation of applications deployed in Industry 4.0 applications. The new series are designed and optimized for high performance in industrial applications.


The Powerbox Low Battery Voltage Start Unit (LBVS)

Used to supply on-board electronics equipment when the main battery is below the minimum operating voltage, the Low Battery Voltage Start unit (LBVS) becomes a very important element of the power system, blending the knowledge of high voltage power conversion topologies, safety requirements and optimized power management.

Taking power from the traction-voltage line (700 VDC to 1500 VDC) the LBVS converts the high-voltage to an intermediate bus voltage of 110 VDC and guarantees a stable voltage from a period of 2 seconds up to 60 minutes and sustains a peak current specific to the application, making each LBVS unique to its environment. Connected to the traction-high-voltage line, the LBVS must comply with high safety isolation and has been designed with this consideration in mind.

2 new board mounted Powerbox DC/DC converters to power industrial and railway applications; the extra wide input PQB50U-72S and the ultra-high power density PFB600W-110S.

With an unprecedented extra wide input of 12:1 (14V to 160V) the PQB50U-72S delivers 50W in quarter brick packaging, bringing simplicity to power designers addressing EN50155 applications (one unit covering all bus voltages).

In full brick packaging, the PFB600W-110S delivers industry’s first 600W unit within a 4:1 input voltage range of 43V to 160V, accommodating 72V, 96V and 110V bus voltages. Both products can be operated from -40°C up to +100°C case temperature, matching very demanding and ruggedized requirements such as in construction vehicles, mining equipment & heavy machinery process control.


The Powerbox EXM150 and EXM225 Series of 150W and 225W external power supplies for type BF medical applications. 

With their elegant and sturdy domed shape they do have the look but the enclosure is much more about functionality than it is about pleasing the eye. The units fit equally well for wall mount, desktop, or floor top placement. Changeable ac cable with ISO10651-2:2004 locking brings compatibility with any type of outlets, whilst a changeable dc cable brings connector adaptability to any load. The combination of mechanical strength and domed shape withstands, among other things, to be run over by a wheel chair. IP21 protection class enables use in critical medical environments. With a leakage current of <100µA and full compliance with all requirements for medical type BF applications, output voltages of 12, 15 or 24VDC, an input range of 100-240VAC these power supplies are ideal for a large number of medical applications worldwide.


The EXM150 and EXM225 series meet electrical safety IEC60601-1 Edition 3, EMC EN55011 class B, class II isolation, and IEC60601-1-11 for home care applications. They also meet environmental CEC Level 5, RoHS, REACH and WEEE.

Visit the Powerbox booth at Electronica (Hall A2 Booth 210) to discover the latest technologies we have developed for power demanding applications in industrial, medical, railway and defence. With more than 3,500 custom power projects delivered to market, three design centres in Europe and the addition of standard power solutions, Powerbox is the leading force supporting your success.

PRBX (Powerbox) UK have decades of experience in the Power Supply Industry. Many of our customers have traded with us for decades too. We have UK experts to help with your power requirements to provide the most optimum solutions ;

Please contact us !

POWERBOX United Kingdom

PRBX (Powerbox) Ltd.

Suite 57 & 58, Lynx House
Basepoint Business Centre
Caxton Close
SP10 3FG

Phone: +44 (0) 1264 326 457

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