Hammond RP1120BF 125x85x40mm Polycarbonate Watertight Flanged Enclosure

The RP1120BF is a water-tight polycarbonate enclosure with an integral bottom flange and a opaque lid, sized 125 x 85 x 40 mm (4.92 in x 3.35 in x 1.57 in). It is aimed at OEM engineers, electronics builders and electricians who need a gasketed housing for printed circuit boards or components that bolts flat to a panel, wall or chassis through its flange. The opaque lid hides the contents and offers a smooth recessed area on top for a membrane, label or silkscreen.

The body is polycarbonate with a flame rating of UL94 V-2, compared with the UL94-HB general-purpose ABS versions in the same series. The part page lists the colour as Light Gray; the series ordering table lists this part under Off White Polycarbonate. A two-piece tongue-and-groove lid with a rubber gasket (included, field installed) guards against oil, dust and water, and the design is rated IP65. Self-captivating M3.5 stainless steel lid screws (included) thread into corrosion-resistant bushings for repeated assembly and disassembly.

The drawing gives inside dimensions of 119.23 mm [4.69 in] long, 79.23 mm [3.12 in] wide and 34.50 mm [1.36 in] high, and 155.95 mm [6.14 in] overall length across the flange, which carries 5.20 mm [0.20 in] mounting holes. The part page lists a maximum PC board size of 117 x 77 mm, and the internal board posts accept M3 self-tapping screws. This size is a 125 x 85 mm footprint that the series ordering table offers in four heights: 40, 55, 70 and 85 mm.

Matching accessories listed for the RP1120BF include plastic inner panel STC113, aluminum inner panel STA113 and replacement gasket two-pack RP113GASKET. Spare lid screws (SC619-50) and PC board screws (SC622-50) come in 50-packs. It is RoHS and REACH compliant, packed in a bag at a shipping weight of 0.37 lbs (0.17 kg).