IN Brief:
- FORTEC UK has added enclosed and top-fan cooled Delta MEP-500A medical power supply variants.
- The series delivers up to 500W from a compact 3in x 5in footprint.
- The range targets patient monitoring, diagnostics, imaging, and laboratory instrumentation.
FORTEC UK has introduced additional Delta MEP-500A medical power supply variants, expanding the series beyond its original open-frame model with enclosed and top-fan cooled options.
The MEP-500A series delivers up to 500W from a compact 3in x 5in footprint. The range is designed for medical equipment including patient monitoring systems, diagnostic instruments, imaging platforms, and laboratory automation hardware.
The expanded family now includes open-frame, enclosed, and top-fan cooled mechanical configurations. The open-frame model suits systems where the host equipment provides enclosure protection and airflow. The enclosed version adds a protective metal chassis, while the top-fan cooled option integrates a fan into the chassis cover to support full output power without relying solely on the host system’s airflow path.
Core specifications include IEC 60601-1 medical safety approvals, 2 x MOPP isolation protection, efficiency up to 95%, low standby power consumption, wide operating temperature support, high power density, and long-term product availability. Output options include 12V, 18V, 24V, and 48V rails, covering several common requirements across medical and industrial equipment.
Medical power supply selection is shaped by a difficult combination of constraints. The unit must fit inside shrinking enclosures, meet isolation and leakage requirements, control heat, support regulatory documentation, and remain available long enough to protect validated equipment designs. A forced replacement late in a medical product lifecycle can create redesign and approval costs far beyond the value of the supply itself.
Mechanical choice can therefore become a design-control issue rather than a purchasing preference. A bare PCB supply may suit a tightly controlled host enclosure with defined airflow and shielding, while an enclosed unit can simplify integration where physical protection and EMI containment are required. A top-fan cooled model gives a more self-contained thermal route when the host product cannot guarantee consistent airflow across the power stage.
The need for stable, documented, and available components sits within a wider push toward more resilient medical device manufacturing. Regulated products rely on predictable supplier behaviour, traceable processes, and careful change control, especially where safety approvals and long field lifetimes are involved.
Thermal behaviour has added weight in healthcare equipment. Excess heat can affect sensor accuracy, display life, battery performance, enclosure comfort, acoustic design, and long-term reliability. Higher conversion efficiency reduces waste heat, but cooling architecture still has to match the final device and its service environment.
Power-density pressure is also visible outside medical electronics. Auxiliary PSU designs for 800VDC AI data-centre architectures show the same move toward smaller, more efficient, and more isolated conversion stages under demanding packaging constraints. Medical systems face different approvals and operating conditions, but the underlying pressure on compact power conversion is similar.
The MEP-500A expansion allows designers to preserve the electrical architecture of a 500W supply while adapting the mechanical and cooling approach to the host product. That can help manufacturers reuse validated power stages across diagnostic, monitoring, imaging, and laboratory systems without forcing a new supply decision for every enclosure style.
Power supplies rarely define the feature set of medical equipment, but they can decide whether the product passes approval, runs cool enough, fits the enclosure, and remains manufacturable over its intended life. FORTEC’s broader MEP-500A range addresses that engineering layer directly, giving medical product teams more flexibility around integration without changing the basic power platform.



