The QM8B is a 2000W modular AC-DC power supply for medical and industrial use, featuring 2 x MOPP isolation per IEC 60601-1-2 3rd edition. It operates from 180-264 Vac, supports up to 18 output modules with outputs up to 110A at 5V or 90A at 12V, and includes PMBus™ as an option. It delivers 16ms holdup at full load and operates from -20°C to 70°C with derating above 50°C. Efficiency reaches 91% at 240Vac and >50% load. It complies with EN55011, EN55032 Class B emissions, and IEC 61000-4 immunity standards. The unit carries CE and UKCA marks, meets IEC 62368-1 and IEC 61010-1 safety standards, and is rated for 5000m altitude.
AC-DC converters have the functionality to extract a stable DC power supply by rectifying and controlling commercial power supplies. TDK offers an abundant lineup of TDK-Lambda brand AC-DC switching power supplies that adopt the "switching method" for the industrial equipment market. These power supplies are available in unit types, PC board types, power module types, on-board types, and DIN rail mount types, with a wide-ranging product lineup from models with a small capacity of several W to models with a large capacity exceeding 2 kW. TDK-Lambda offers "standard power supplies" that meet the various needs of its customers for keeping up with the changing times, including miniaturization and efficiency enhancement, compliance with safety standards, support for wide input, compliance with EMI (electromagnetic interference) standards and higher harmonic current regulation, compliance with the RoHS directive, and the adoption of digital control technologies.
| TDK-Lambda Americas Inc. | |
|---|---|
| Product Category | Power Supplies |
| Product Number | QM8B |
| Product Name | AC-DC Power Supplies |
| Type | DC Power Supply; Medical Power Supply |
| Technology | Switching Power Supply |
| Features | Up to 18 modular outputs Medical and Industrial certifications 2 x MOPP PMBus™ communication option |
| Operating Temperature | -20 to 70 C (-4 to 158 F) |
| Regulatory Compliance | IEC60601-1 CSA60601-1 EN60601-1 ES60601-1 UL60601-1 IEC60950-1 CSA60950-1 EN60950-1 UL60950-1 IEC61010-1 EN61010-1 IEC62368-1 CSA62368-1 EN62368-1 |
