The 1591ASBK is a black 100 x 50 x 25 mm ABS plastic enclosure from the 1591 Series of multipurpose boxes with card guides, supplied as a plain rectangular box with no mounting flanges. It suits electronics designers, OEM engineers and integrators who need a compact project box for vertically mounted printed circuit boards, with guides molded into all side walls that accept 1.5 mm (0.062") thick boards.
This is an economy version molded from general purpose ABS plastic (not flame retardant) with a UL94 HB flame rating. The lid is assembled with self-tapping screws into fully plastic posts, and lap joint construction protects against dust and splashing water; the enclosure is designed to meet IP54. As a black enclosure it ships with black screws.
Nominal size is 3.94 in x 1.97 in x 0.98 in (100 mm x 50 mm x 25 mm). The drawing gives outside dimensions of 100.00 mm [3.937 in] by 50.00 mm [1.969 in], an overall height of 24.80 mm [.976 in], with inside dimensions of 93.83 mm [3.694 in] long, 43.83 mm [1.726 in] wide and 20.90 mm [.823 in] high. Shipping weight is 0.1 lbs (0.05 kg).
The 1591ASBK is supplied as box, lid and 4 cover screws. Recommended cover screw torque is 42-57 ozf.in (30-40 cN.m). Matching accessories include the 1591AC clear flame retardant polycarbonate lid, 1591Z6/1591Z50/1591Z100 PC board card adapters for horizontal board mounting, and 1599CLIP (black) or 1599CLIPGY (grey) nylon belt/pocket clips. The part is RoHS and REACH compliant, and the enclosure can be factory modified (milling, drilling, printing).
| Type | general purpose, flanged |
| Series | 1591 Series - ABS Plastic Multipurpose Enclosures w/ Card Guides |
| Version | General Purpose ABS Enclosure (without mounting flanges) |
| Mounting | No mounting flanges |
| Description | enclosure - plastic |
| Part Number | 1591ASBK |
| Ordering Table | Enclosures Without Mounting Flanges |
| Short Description | GPABS PLSTC CASE |
| Enclosure Size Code | 1591A |
| Inside Width | 43.83 mm [1.726 in] |
| Inside Height | 20.90 mm [.823 in] |
| Inside Length | 93.83 mm [3.694 in] |
| Outside Width | 50.00 mm [1.969 in] |
| Overall Height | 24.80 mm [.976 in] |
| Outside Length (Body) | 100.00 mm [3.937 in] |
| Depth (Ordering Table) | 0.98 in (25 mm) |
| Width (Ordering Table) | 1.97 in (50 mm) |
| Length (Ordering Table) | 3.94 in (100 mm) |
| Nominal Size (L X W X H) | 3.94 in x 1.97 in x 0.98 in (100 mm x 50 mm x 25 mm) |
| Clear Lid | 1591AC (flame retardant polycarbonate, lid only) |
| Belt / Pocket Clip | 1599CLIP (black) or 1599CLIPGY (grey), nylon |
| PC Board Card Adapters | 1591Z6 (6 pkg), 1591Z50 (50 pkg), 1591Z100 (100 pkg); allow horizontal PCB mounting; flame retardant ABS |
| Replacement Cover Screws | 1591TS100 (nickel plated / silver) or 1591TS100BK (black), #4 x 1/2" self-tapping, pack of 100 |
| Card Adapter Recommended PCB Thickness | 1.5 mm - 1.75 mm |
| UPC | 623980556802 |
| UNSPSC | 39121301 |
| Drawing Revision | 07.01.2020 |
| Slot Width | 2.07 mm [.082 in] |
| Card Guides | Molded into all side walls; for vertical mounting of printed circuit boards |
| Guide Depth | 1.00 mm [.039 in] |
| Guide Width | 3.00 mm [.118 in] |
| Guide Height | 15.90 mm [.626 in] |
| Accepted Board Thickness | 1.5 mm (0.062") |
| CAD Models | Solid models available in .stp or .x_t |
| Factory Modification | Milling, drilling, printing etc. available from the factory |
| Included | Box, lid and 4 cover screws |
| Packaging Type | shrink wrap |
| Shipping Weight | 0.1 lbs (0.05 kg) |
| Color | Black |
| Material | ABS Plastic |
| Construction | Lap joint construction |
| Screw Finish | Black screws (black enclosures include black screws) |
| Lid Fastening | Self-tapping screws into fully plastic posts |
| Cover Screw Holes Accept | #4 self-tapping screw |
| Material Grade (Drawing) | GPABS (general purpose ABS) |
| Recommended Cover Screw Torque | 42-57 ozf.in (30-40 cN.m) |
| IP Rating | IP54 (designed to meet) |
| Flame Rating | UL94 HB |
| Flame Retardant | No (economy general purpose plastic) |
| Chemical Resistance Note | Avoid acetone, ketones, ethers, aromatic and chlorinated hydrocarbons, thread-locking compounds, cutting/tapping fluid, water detection and anti-seize paste, strong solvents and some greases and oils |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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The drawing gives inside dimensions of 93.83 mm [3.694 in] long, 43.83 mm [1.726 in] wide and 20.90 mm [.823 in] high, within a nominal 3.94 in x 1.97 in x 0.98 in (100 mm x 50 mm x 25 mm) enclosure.
No. It is an economy version molded from general purpose ABS (GPABS), which is not flame retardant; its flame rating is UL94 HB. The flame retardant equivalents in the same size carry UL94 V-0.
The card guides molded into all side walls accept 1.5 mm (0.062") thick boards for vertical mounting. For horizontal mounting, the 1591Z6, 1591Z50 or 1591Z100 PC board card adapters can be used; the adapter instructions recommend a PCB thickness of 1.5 mm - 1.75 mm.
The purchased assembly includes the box, lid and 4 cover screws. The lid is fastened with #4 self-tapping screws into plastic posts; recommended torque is 42-57 ozf.in (30-40 cN.m).
The 1591ASBK has no mounting flanges. Flanged-lid and bottom-flange versions of the 1591A size are listed separately in the 1591 Series ordering table.
Yes. The 1591AC is a clear flame retardant polycarbonate lid (lid only) listed as the clear lid accessory for this size.
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