Medical-Grade AC/DC Power Supplies

Medical-grade power supplies are designed to comply with international healthcare standards, providing electrical safety, low leakage currents, and high electromagnetic immunity. They are suitable for equipment used in clinical environments and home healthcare applications that require continuous operation and maximum reliability.

Standards and Safety

• IEC/EN/UL 60601-1 (electrical safety) and IEC/EN 60601-1-2 (electromagnetic compatibility).
• 2×MOPP (Means of Patient Protection), with reinforced insulation and appropriate creepage and clearance distances.
• BF/CF application classification (depending on the model) for equipment with patient contact.
• Ultra-low earth and patient leakage currents for use in the patient environment.
• Class I/II insulation and low-voltage SELV outputs.

Key Performance Features

• High efficiency and, in medium- and high-power models, active PFC.
• Low ripple and noise to protect signal integrity in measurement equipment.
• Protection features including OVP/OCP/OTP/SCP and high MTBF for 24/7 operation.
• Wide input voltage range for stable operation on power grids worldwide.
• Form factors: open-frame, encapsulated, desktop, and chassis-mount.

EMC and Immunity

• Conducted and radiated emissions compliant with EN 55011/EN 55032 Class B (depending on the model).
• High immunity to ESD, EFT/burst, surge, and electrical transients in accordance with 60601-1-2.
• Designs featuring low THD and capacitive leakage control.

Medical Applications

• Patient monitors, ECG devices, oximeters, and diagnostic systems.
• Infusion pumps, respirators/ventilators, and therapy equipment.
• Ultrasound systems, medical lasers (depending on specific requirements), and instrumentation.
• Medical carts, laboratory equipment, and home healthcare devices.

Selection Considerations

• Determine whether the application requires BF or CF classification and the necessary MOPP level.
• Verify the maximum permitted leakage currents and the requirements for the patient environment.
• Size the power rating, operating temperature range, and derating according to the application environment.
• Confirm the required mechanical form factor (open-frame, chassis-mount, or desktop) and connections.

Documentation and Compliance

• Request 60601-1/60601-1-2 test reports and valid certificates.
• Review Declarations of Conformity and applicable certification documentation (DoC, CB, UL).
• Include the power supply in the equipment’s technical file for regulatory assessment.