Under IEC 60529, IP20 decodes digit by digit. The first digit, 2, rates protection against solids: the enclosure keeps out objects 12.5 mm in diameter or larger, including fingers, preventing accidental contact with live or moving internal parts. The second digit, 0, rates protection against liquids: there is none. IP20 devices are not splash-, drip-, or waterproof and offer no protection against dust.
This makes IP20 a strictly indoor, dry-environment rating. It suits sensors and gateways installed in offices, homes, server rooms, and protected cabinets where conditions stay clean and controlled.
When choosing a LoRaWAN device, the enclosure rating determines where it can safely live:
- Indoor, clean and dry: IP20 is appropriate.
- Dusty, humid, washdown, or outdoor: step up to a sealed rating such as IP65 or higher.
Matching the IP rating to the deployment site protects both the electronics and the people near them, and avoids early failures from moisture or contamination.
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Frequently asked questions
Is IP20 waterproof?
No. Under IEC 60529 the second digit of IP20 is 0, meaning there is no protection against water. IP20 devices must be kept dry and away from splashes, dripping, or rain.
What does IP20 protect against?
The first digit, 2, means the enclosure blocks solid objects 12.5 mm and larger, including fingers, so accidental contact with internal parts is prevented. It does not block dust.
Where should I use an IP20 LoRaWAN device?
IP20 is intended for clean, dry indoor locations such as offices, homes, and equipment rooms where dust and moisture are not a concern.