|Indoor use||IP30* (BS EN60529:1992)|
|Altitude||Up to 2000 m|
|Operating temperature||+5 °C to +50 °C|
|Storage temperature||-25 °C to +70 °C|
80% maximum (non-condensing) for temperatures up to +31 °C
Linear decrease to 50% at +40 °C
|Transient voltages||Overvoltage category I|
* It may be necessary to house SPA3 in a suitable electrical enclosure according to the installation's environmental conditions to obtain a higher IP rating.