The 1551SNAP12GY is a round, unvented light gray miniature enclosure with a 60 mm diameter and 20 mm depth. It is intended for IoT and general purpose electronics and accepts a PC board up to 54 x 54 mm, a mid-size option between the 45 mm and 80 mm circle models.

It is molded in ABS plastic rated UL94 HB and designed to meet IP30. The snap-fit assembly requires no hardware and can be opened and reclosed as often as needed.

Overall size is listed as 2.36 in x 2.36 in x 0.79 in (60 mm x 60 mm x 20 mm), with a drawing height of 20.30 mm [.80 in] for the assembled enclosure. Four PC board standoffs are molded into the interior and accept #2 self tapping screws; Hammond recommends #2 x 3/16" self tapping screws, sold separately as 1553WTS100 (pack of 100), tightened to a recommended torque of (21-28) ozf.in / (15-20) cN.m. Shipping weight is 0.05 lbs (0.02 kg).

• Wall-mounting slots on the base
• A knockout on the base that can be removed with a screwdriver for wire entry (cable punch-out 15.00 x 8.00 mm [.59 x .31 in])
• Snap-fit closures on base and cover

The part is RoHS and REACH compliant. The same size is also offered as the vented 1551V12GY. Hammond notes that some chemicals, including acetone, ketones, thread locking compounds and cutting fluids, can damage ABS plastic, so check compatibility before cleaning or modifying the enclosure.