With The Rainy Season Approaching, Don't Let The Dampness Quietly Corrode Your Uninterruptible Power Supply (ups) Circuit Board.

In the humid, spring-like weather of the south or the sweltering heat of the north, the air feels so damp it seems you could wring water out of it. At this time, people are often more worried about the server crashing, but easily overlook 12v uninterruptible power supply hiding in the corner of the server room. In fact, high humidity is an "invisible killer" of electrical equipment. If circuits are exposed to moisture for extended periods, tiny moisture particles can damage the complex electronic components.

How does electrochemical corrosion occur?

When the ambient humidity exceeds 60%, the internal metal parts of big uninterruptible power supply begin to face challenges. Moisture condenses into tiny water droplets, adhering to the surface of the printed circuit board. This is not just a simple matter of wetting the equipment; it triggers a series of chain reactions:

• Oxide layer formation: Copper wires or solder joints oxidize rapidly upon contact with moisture, increasing contact resistance.

• Mold growth: Organic materials thrive in damp environments, and the acidic substances secreted erode the insulation layer.

• Micro-short circuit phenomenon: Moisture acts as an electrolyte, easily forming conductive paths between adjacent wires, causing frequent machine errors.

Managing Server Room Humidity: A Few Tips

Keeping circuits dry requires more than just air conditioning. In practice, many experienced maintenance technicians use dehumidifiers to maintain humidity levels between 40% and 50%, a crucial range. If the server room is on the ground floor or in a basement, it's recommended to install moisture-proof bases for the equipment to prevent dampness from the ground from seeping into the chassis. Regularly cleaning internal dust is also essential, as dust absorbs moisture and turns into corrosive "sludge" that adheres to delicate components.

Selection and Maintenance Tips

In fact, different levels of lithium ion uninterruptible power supply equipment have significantly different moisture-proof capabilities. High-end models typically have conformal coatings on the circuit boards, acting like an invisible raincoat. During routine inspections, pay close attention to the fan vents. If you find metallic rust spots or white powdery deposits, it indicates that the ambient humidity is too high. Address this immediately; don't wait until the circuits completely rust and break before regretting not dehumidifying earlier.