This installation manual covers guidelines for installing and maintaining MEAN WELL open frame switching power supply families, including safety precautions…
This document serves as an installation guide for MEAN WELL's open frame (PCB) type switching power supplies. It details the specific product families covered, which include on board, general PCB, green PCB, and medical PCB types designed to be integrated into system enclosures.
The manual provides critical safety warnings regarding electrical shock and environmental conditions, along with specific installation requirements such as minimum insulation distances (5mm bottom, 10-15mm sides depending on type) and cooling considerations for units exceeding 120W. It also includes a wiring chart recommending appropriate wire cross-sections based on equipment current ratings.
At least 5mm of insulation distance must be kept on the bottom of the unit, and a Mylar film should be added between the unit and the system.
You must keep 15mm of insulation distance around the unit for medical type power supplies.
A clearance of 10-15 cm must be kept when the adjacent device is a heat source.