Mounting box, suitable as a junction box, screw spacing 83.5 mm (3 9/32 inch) and 100 mm, complies with AFI standard, for installing "American Standard 432", equipment per NEMA Publ. NO.OS 1, 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 - M25, support spar compatible