Hammond 1550 Series Die Cast Aluminium Enclosures - Hammond 1550NBK, The Hammond IP54 Diecast Aluminium Enclosure Black 1550NBK (250 x 250 x 101mm) is from a wide range of die-cast aluminium enclosures in industry standard sizes that will provide mechanical protection making them suitable for a use in a wide variety of applications. The range is available with a natural or powder-coated black finish. The thin wall aluminium enclosures have high impact strength and are easily drilled and punched to accept cables, switches and indicators as required. Hammond 1550NBK IP54 Diecast Aluminium Enclosure Black (250 x 250 x 101mm)