
The 1551GGY is a light gray ABS plastic miniature hand held enclosure from the 1551 series, with a nominal size of 50 x 35 x 20 mm (1.97 in x 1.38 in x 0.79 in). It is intended for OEM engineers, electronics designers and installers who need a small general purpose box for mounting a compact printed circuit board or for use as a potting box.
The enclosure is molded from general purpose ABS plastic with 2 mm (0.08") walls and carries a UL94 HB flame rating. Colour is light gray (RAL 7035), and the self-tapping lid screws are colour matched: nickel plated screws are supplied with this light gray version. Lap joint construction between box and lid protects against access of dust and splashing water, and the enclosure is designed to meet IP54.
The 50 x 35 mm footprint with 20 mm depth gives 44.73 mm of inside length and 16.00 mm of inside height, sized for a board up to 44 mm by 29 mm. Inside dimensions are 44.73 mm [1.76 in] long, 29.73 mm [1.17 in] wide and 16.00 mm [0.63 in] high. PC board mounting bosses are molded into the interior and accept #2 x 3/16" self-tapping screws (not included; part number 1551ATS100, nickel plated, pack of 100).
The 1551GGY is supplied as box, lid and 2 cover screws (#4 x 1/2" self-tapping), with a recommended lid screw torque of 35-43 ozf.in (25-30 cN.m). It is RoHS and REACH compliant, packed in a bag, with a shipping weight of 0.04 lbs (0.02 kg). Some chemicals, including acetone, ketones, thread locking compounds and cutting fluids, can damage ABS, so check compatibility before use.
| Type | Miniature, general purpose |
| Series | 1551 Series, ABS Plastic Miniature Hand Held Enclosures |
| Description | grey plastic enclosure |
| Part Number | 1551GGY |
| Ordering Table | Standard Enclosures |
| Assembly Includes | Box, lid, 2 cover screws |
| Short Description | 50 X 35 X 20MM ABS GREY |
| Width | 1.38 in (35 mm) |
| Length | 1.97 in (50 mm) |
| Inside Width | 29.73 mm [1.17 in] |
| Inside Height | 16.00 mm [0.63 in] |
| Inside Length | 44.73 mm [1.76 in] |
| Wall Thickness | 2 mm (0.08 in) |
| Depth (Including Lid) | 0.79 in (20 mm) |
| Nominal Size (L X W X H) | 1.97 in x 1.38 in x 0.79 in (50 mm x 35 mm x 20 mm) |
| Max. P.C. Board Width (Mm) | 44 |
| Max. P.C. Board Length (Mm) | 29 |
| Maximum P.C. Board Size (Drawing) | 44.00 mm x 29.00 mm [1.73 in x 1.14 in] |
| PC Board Screws | 1551ATS100 (nickel plated, pack of 100) |
| Replacement Lid Screws | 1591TS100 (nickel plated, pack of 100); alternative finish 1591TS100BK (black, pack of 100) |
| UPC | 623980793702 |
| UNSPSC | 39121301 |
| Drawing Revision | 31.08.2023 |
| Solid Models | .stp or .x_t |
| Factory Modification | Milling, drilling, printing etc. available from the factory on quotation |
| Black Version | 1551GBK |
| Translucent Blue Version | 1551GTBU |
| Packaging Type | bag |
| Shipping Weight | 0.04 lbs (0.02 kg) |
| Color | Light Gray |
| Material | ABS Plastic (general purpose) |
| Lid Screws | 2 x #4 x 1/2" self-tapping, included |
| PC Board Screws | #2 x 3/16" (4.8 mm) self-tapping, not included |
| Colour Reference | RAL 7035 |
| Lid Construction | Lap joint |
| Lid Screw Finish | Nickel plated (colour matched to enclosure) |
| PC Board Mounting | Molded bosses accept #2 self-tapping screw |
| Recommended Lid Screw Torque | 35-43 ozf.in / 25-30 cN.m |
| IP Rating | IP54 |
| Flame Rating | UL94 HB |
| Chemical Resistance | Avoid acetone, ketones, ethers, aromatic and chlorinated hydrocarbons, thread locking compounds, cutting or tapping fluid, water detection paste, anti-seize paste, strong solvents or cleaners, and some greases and oils |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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The maximum P.C. board size is 44.00 mm x 29.00 mm [1.73 in x 1.14 in]. The inside of the box is 44.73 mm [1.76 in] long, 29.73 mm [1.17 in] wide and 16.00 mm [0.63 in] high.
This size is also offered as 1551GBK and 1551GTBU in the standard enclosure table, with flanged versions in black or grey.
It is designed to meet IP54. The lap joint construction protects against access of dust and splashing water; it is not rated for immersion.
The purchased assembly includes the box, the lid and 2 cover screws (#4 x 1/2" self-tapping, nickel plated). PC board screws are not included.
The molded bosses accept #2 x 3/16" self-tapping screws, available as part number 1551ATS100 (nickel plated, pack of 100).
General purpose ABS plastic in light gray (RAL 7035), with 2 mm (0.08") walls and a UL94 HB flame rating. Avoid acetone, ketones, thread locking compounds and strong solvents, which can damage ABS.

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