OPEN frame power suppliers

Open-frame power supplies are a range of high-density, low-profile, open-frame AC-DC power supplies aimed at cost-sensitive industrial, ITE and healthcare applications.

The produces 100 W output with convection cooling and 150 W with as little as 10 cfm airflow. The product has a 101,6 x 50,8 mm footprint and its low profile of 25,1 mm makes it ideal for space-constrained applications. Its high power density is enabled by high efficiency – up to 95% typical at 150 W with better than 85% achieved down to 10% load. No-load losses are less than 0,5 W, giving reduced running costs and compliance with the latest environmental goals and legislation.

The parts are approved for use in Class I or Class II (earth free) applications for extended flexibility. They feature comprehensive safety agency approvals including IEC60950-1-1 for ITE, IEC62368-1 for ITE and IEC/ES60601-1 for medical. Medical approvals are for two means of patient protection (2 x MOPP) from input to output and one means of patient protection (1 x MOPP) from both inputs to earth and output to earth, suitable for BF applied-part applications. Patient leakage current is less than 50 µA and isolation test voltage is 4 kV a.c. input to output and 1,5 kV a.c. from input to earth and output to earth.

Low-noise outputs available are 12,15, 18, 24, 28, 36 and 48 V, with a useful additional 12 V fan supply provided, rated at 0,5 A. Input range is 80 – 264 V a.c. and maximum operating altitude is 5000 m, making the parts suitable for worldwide use. Full power is available to +50°C with derating to +70°C ambient temperature, with comprehensive protection included for over-voltage, overload and short circuits.

Open-frame power supplies will find applications in many industries including automation and process control, broadcast, ITE, oil and gas, and medical.

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