
The 1551JFLBK is a black ABS plastic miniature enclosure from the 1551 series with mounting flanges molded into the lid. The box body is 60 x 35 x 15 mm (2.36 in x 1.38 in x 0.59 in) not including the flanges, and 76.30 mm [3.00 in] long overall across the flanges. The flanged lid makes it suitable for wall mounting or for suspending with a tie wrap, so it suits OEM engineers and installers housing a small circuit board or sensor.
The enclosure is molded from general purpose ABS plastic with 2 mm (0.08") walls and carries a UL94 HB flame rating. Colour is black (RAL 9011), and the self-tapping lid screws are colour matched: black plated screws are supplied with this black version. Lap joint construction between box and lid protects against access of dust and splashing water, and the enclosure is designed to meet IP54.
This is the low-profile 60 x 35 mm size: at 15 mm overall depth it has 11.00 mm of inside height, suited to thin boards up to 54.5 mm by 29.5 mm or to shallow potting. Inside dimensions are 55.17 mm [2.17 in] long, 30.17 mm [1.19 in] wide and 11.00 mm [0.43 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 1551JFLBK 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 0.05 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, flanged |
| Series | 1551 Series, ABS Plastic Miniature Hand Held Enclosures |
| Description | black plastic enclosure with flanged lid |
| Part Number | 1551JFLBK |
| Ordering Table | Enclosures with Mounting Flanges |
| Assembly Includes | Box, lid, 2 cover screws |
| Short Description | 60 X 35 X 15MM BK FLANGED LID |
| Width | 1.38 in (35 mm) |
| Inside Width | 30.17 mm [1.19 in] |
| Inside Height | 11.00 mm [0.43 in] |
| Inside Length | 55.17 mm [2.17 in] |
| Wall Thickness | 2 mm (0.08 in) |
| Depth (Including Lid) | 0.59 in (15 mm) |
| Nominal Size (L X W X H) | 2.36 in x 1.38 in x 0.59 in (60 mm x 35 mm x 15 mm) |
| Max. P.C. Board Width (Mm) | 54.5 |
| Max. P.C. Board Length (Mm) | 29.5 |
| Length (Not Including Flange) | 2.36 in (60 mm) |
| Maximum P.C. Board Size (Drawing) | 54.50 mm x 29.50 mm [2.15 in x 1.16 in] |
| Overall Length (Including Flanges) | 76.30 mm [3.00 in] |
| PC Board Screws | 1551ATS100 (nickel plated, pack of 100) |
| Replacement Lid Screws | 1591TS100BK (black, pack of 100); alternative finish 1591TS100 (nickel plated, pack of 100) |
| UPC | 623980583259 |
| 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 |
| Gray Version | 1551JFLGY |
| Packaging Type | bag |
| Shipping Weight | 0.05 lbs (0.02 kg) |
| Color | Black |
| Material | ABS Plastic (general purpose) |
| Mounting | Flanges molded into the lid, for wall mounting or suspending with a tie wrap |
| 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 9011 |
| Lid Construction | Lap joint |
| Lid Screw Finish | Black 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 54.50 mm x 29.50 mm [2.15 in x 1.16 in]. The inside of the box is 55.17 mm [2.17 in] long, 30.17 mm [1.19 in] wide and 11.00 mm [0.43 in] high.
The box is 60 mm long not including the flanges and 76.30 mm [3.00 in] long overall. The flanges are molded into the lid for wall mounting or suspending with a tie wrap.
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, black 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 black (RAL 9011), 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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