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New NGB series power supplies from SL Power offer superior performance and reliability

07 December 2021

SL Power Electronics (SLPE) announces the launch of the NGB series of high-power density convection rated AC-DC power supplies.

Intended for applications including medical, industrial, audio broadcast and LED lighting, the NGB series offers a wealth of application relevant features and is available in multiple formats and power levels including 250W, 425W, 660W and 1200W (with 150W & 800W being released soon), all with a single output from 12-56Vdc.

Departing from the commonly used industry approach of optimising a design to require forced air cooling with fans, the SLPE NGB series offers customers increased reliability and eliminates acoustic noise. 

SL Power’s next-generation design focuses on optimising the convection rating performance and employs a scalable design strategy, with highly customisable options including enhanced digital monitoring and control, multi-output, cardiac float (cf), covers, and fan covers.

Whether operating in a medical or industrial environment, the NGB series offers Class I and II inputs with the following attributes: 

• High output stability across wide temperature range of up to 50°C, without derating
• Wide universal input voltage range from 80-264Vac
• High convection power rating (derated only at 90Vac input voltages) 
• Lifetime extended by the use of a more than seven-year electrolytic capacitor life
• Medical 4th Ed. and heavy industrial levels of EMC compliance, meeting Class B emission levels with margins
• Approved to CSA/EN/IEC UL62368, IEC61326-1/UL60601-1, 3rd Edition
• Three-year warranty

Gary Baker, UK Country Manager for SL Power, comments, “By designing our new NGB series power supplies from the ground up, we are able to meet the needs of today’s systems designers, looking for high reliability and high-output current stability, over wide variations in operating temperature – which ensures the reliable performance of mission-critical systems in medical, audio and Industry 4.0 applications.”

For more information on the NGB series of high-power density power supplies, call +44 (0) 1769 581311, email or visit Or, to order a sample, visit

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