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MCU environmental conditions
Indoor use | IP40 (MCUlite-2 and MCU5) IP31 (MCU W) |
Altitude | Up to 2000 m |
Operating temperature | +5 °C to +40 °C |
Storage temperature | -25 °C to +70 °C (MCUlite-2 and MCU5) -20 °C to +60 °C (MCU W *) |
Relative humidity | Relative humidity 80% maximum (non-condensing) for temperatures up to +31 °C. Linear decrease to 50% at +40 °C |
Pollution degree | Pollution degree 2 as defined by BS EN 61010-1:2001 section 3.6.6.2. Normally only non-conductive pollution occurs. Occasionally, however, temporary conduction caused by condensation occurs. |
* Storing the MCU W battery at high temperatures is not recommended because it prematurely ages the battery. The maximum recommended times for storage of the MCU W battery are:
- 1 week at +60 °C
- 1 month at +45 °C
- 6 months at +40 °C
- 12 months at +35 °C