LMF-UH Series Ultra Slim-Line Converters – Plenty of Kudos Without the Fans

17th April 2023

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Relec electronics is pleased to announce the general availability of the LMF-23BxxUH series of slimline, fanless ac dc converters from Mornsun, the latest addition to their high-efficiency LMF power supply series.  Power ranges include fully certified units at 200W, 350W, 500W & 750W.

The LMF-23BxxUH series delivers exceptional performance and reliability, making it the ideal choice for a wide range of industrial applications, including indoor and outdoor lighting, process control systems and telecom/datacom applications. This series boasts a wide input voltage range of 90-305VAC, and power factor of >0.95, making it suitable for global use.

The LMF-23BxxUH series have been designed with high power density in mind and come in an ergonomically friendly slim-line case.  The LMF200-23Bxx-UH measures 194.00mm x 55.00mm x 26.00mm, the LMF350-23Bxx-UH 220.00mm x 62.00mm x 31.00mm, LMF500-23BxxUH just 232.00mm × 81.00mm × 31.00mm and LMF750-23BxxUH 237.00mm x 100.00mm x 41.00mm making them ideal of space constrained applications.

Operating ambient temperature range: -40°C to+70°C

 

200 Watt Power

Fanless Design

Operating ambient temperature range: -40°C to +85°C

 

350 Watt Power

Fanless Design

Operating ambient temperature range: -40°C to +85°C

 

500 Watt Power

Output: 5V to 55V

Operating ambient temperature range: -40°C to +85°C

 

750 Watt Power

Output: 5V to 48V

One of the key features of the LMF-23BxxUH series is its high efficiency, up to 95%, achieved through advanced circuit design and components. This not only reduces energy consumption, but also minimizes heat generation, allowing for more reliable and durable operation. The LMF-23BxxUH series is designed for both conduction and convection cooling a wide operating temperature range of -40°C to +85°C (case temperature), ensuring reliable performance even in harsh environments.  All units are designed to be mounted directly to an external cooling plate to minimise internal temperature rises without the need to external forced air cooling.

LMF-23BxxUH series are available in industry standard output voltages of 5V, 12V, 24V, 28V, 30V, 26V, 48V & 55Vdc.  All units have the ability to provide a 150% peak load for up to 1 second, making them ideal for motors and inductive loads.

Designed with safety in mind, the LMF-23BxxUH series is compliant with various international safety standards, including UL/EN/BS EN 62368-1, EN60335, EN61558, GB4943 standards, including operation up to 5000m altitude, as well as the EN61000 immunity standards for EMC.  The series also features comprehensive protection such as short circuit, over-voltage, over-temperature, and over-load protection, ensuring the safety and reliability the connected system.

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Here at Relec Electronics, we have worked closely with our key suppliers for over 40 years. We specialise in many industries, including; automotive, industrial, transportation, instrumentation & defence. We have a team of dedicated engineers ready to support you throughout the design process. We also carry stock of all standard modules and accessories for next day delivery.

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