The 1555HF17GY is a 180 x 120 mm low-profile ABS enclosure in the 1555F Series, sized for larger flat PC boards and DIN rail devices in indoor installations. The flanged base is designed for wall mounting and the recessed lid surface is ready for a membrane keypad or label.

It is molded from general purpose ABS with a UL94-HB flammability rating in satin RAL7035 grey. The ABS version is not UL listed but has been tested to and meets IP66, and it carries an IK07 impact rating per IEC 62262:2021. Hammond recommends an operating temperature of -20°C to +60°C (-4°F to +140°F).

The ordering table gives 7.09 x 4.72 x 1.50 in (180 x 120 x 38 mm) without flanges; the part page lists 180 x 119 x 37 mm. The drawing shows 220.79 mm overall across the flanges, a 37.71 mm assembly height, a 17.70 mm inner base depth and a 12.00 mm inner lid depth. DIN rail tabs are molded into the lid, and standoffs for #4 x 1/4 in self-tapping screws (1555TS100) hold a PC board up to 106.68 x 167.13 mm or the 1555HFPL galvanized steel inner panel.

The 1555HF17GY includes the box, flanged lid, four M4 stainless steel cover screws that thread into corrosion resistant inserts behind the lid, and a loose one-piece silicone gasket; recommended torque is 2.5 lbf-in (30 cN-m). It is RoHS and REACH compliant and ships shrink wrapped at 0.55 lbs (0.25 kg).