The outside overall box dimensions are H x W x D; 133 x 133 x 128mm (5.2 x 5.2 x 5"), the material is cast iron, hot dipped galvanized and coated both inside and outside (weight approx. 8 kg/18 Lbs).
The unit is sealed to IP66 (dust tight and heavy seas). The operation temperature is between -40 to + 65 degrees C (-40 to + 150 degrees F).
The unit is certified for zone 1 (Class 1 Div 1) operation, II 2 GD EEx d IIB T6 according to ATEX , Directive 94/9/EC.