Mounting box, suitable as a junction box with large terminal space, screw spacing 2 x 83.5 mm (3 9/32 inch) and 1 x 100 mm, complies with AFI standard, for installing "American Standard" equipment acc. to NEMA Publ. NO.OS 1, corresponds to the »''4" square box« for 2 units, combinable, protection class IP30, rated insulation voltage: 400V AC, Halogen free
for Spelsberg HM-UNI (97929901), magnet and nail installation, membrane for perforation, sealing range M16 - M32, support spar compatible