While indoor models are not exposed to direct rainfall, they still need proper ventilation and protection from humidity to function reliably. Protect your solar inverters from water damage with IP-rated enclosures that shield against rain, splashes, and moisture. However, for added peace of mind, install inverters under. PV inverters often need to be installed outdoors, which requires attention to installation details to combat environmental challenges. This Solis Seminar highlight key protective considerations providing valuable insights for installers to enhance equipment safeguarding. In determining whether a solar inverter will be able to handle rain, snow, or moisture, the IP (Ingress. Yes, it is needed, please do not install inverter under direct rain, snow,sunlight.