
The 1590BSF is the flanged-bottom version of the deeper 1590BS diecast aluminum enclosure, in natural finish. A welded flange on the base lets installers and OEM engineers screw the box down to a panel, wall or chassis while the lid stays free for service access. The part page size is 4.41 x 2.38 x 1.65 in (112 x 60 x 42 mm).
Box and lid are made from diecast aluminum alloy, tough yet easy to machine. The unpainted version is vibra finished for a smooth surface with no sharp edges.
Side walls have a draft angle of 2 degrees or less for easy PC board mounting. The lid meets the box in a lap joint that protects against dust and splashing water, and the 1590BSF is designed to meet IP54. Four 6-32 UNC cover screws thread into factory-tapped holes; recommended torque is 50-55 cN.m [71-78 ozf.in]. For IP65, the water-tight equivalent is 1590WBSF, or the 1590BGASKET kit can be added after machining.
Shipping weight is 0.34 lbs (0.15 kg), packed in shrink wrap. RoHS and REACH compliant; STEP and IGES solid models are available.
| Series | 1590 Series Diecast Aluminum Enclosures |
| Category | Enclosures (enclosure - diecast) |
| Description | DIECAST BOX WITH FLANGE |
| Part Number | 1590BSF |
| Product Type | Die-cast box, flanged |
| Mounting Style | Flanged bottom plate |
| Lid Height | 0.16 in (4 mm) |
| Box Width (Drawing) | 60.50 mm [2.382 in] |
| Box Length (Drawing) | 112.00 mm [4.409 in] |
| Max. P.C. Board Width | 104.47 mm |
| Side Wall Draft Angle | 2° or less |
| Inside Width (Drawing) | 54.97 mm [2.164 in] |
| Max. P.C. Board Length | 52.97 mm |
| Inside Height (Drawing) | 38.00 mm [1.496 in] |
| Inside Length (Drawing) | 106.47 mm [4.192 in] |
| Size L X W X H (Part Page) | 4.41 in x 2.38 in x 1.65 in (112 mm x 60 mm x 42 mm) |
| Nominal Width (Series Table) | 2.40 in (61 mm) |
| Nominal Height (Series Table) | 1.50 in (38 mm) |
| Nominal Length (Series Table) | 4.41 in (112 mm) |
| Overall Height Incl. Bottom Flange (Drawing) | 43.50 mm [1.713 in] |
| Overall Length Incl. Bottom Flange (Drawing) | 140.21 mm [5.520 in] |
| Bottom Flange Mounting Hole Spacing (Drawing) | 128.93 mm [5.076 in] |
| CAD Models | Solid models available in STEP or IGES |
| Factory Modification | Milling, drilling, printing etc. available from the factory on quote |
| Standard Cover Screws (Pkg 100) | 1590MS100 plated; 1590MS100BK black [6-32 x 1/2"] |
| Liquid Resistant Cover Screws (Pkg 100) | 1590WMS100 stainless steel; 1590WMS100BK black stainless steel [6-32 x 1/2" with O-ring] |
| UPC | 623980027845 |
| UNSPSC | 39121301 |
| Packaging Type | shrink wrap |
| Shipping Weight | 0.34 lbs (0.15 kg) |
| Color | Natural Aluminum |
| Finish | Unpainted, vibra finished (smooth surface, no sharp edges) |
| Contents | Box, lid and 4 cover screws |
| Material | Aluminum (Die-Cast Alloy) |
| Box And Lid | Diecast aluminum alloy |
| Cover Screws | 4 included, 6-32 UNC, threaded into factory-tapped holes |
| Bottom Flange | Welded |
| Joint Construction | Lap joint where lid and box meet |
| Recommended Screw Torque | 50-55 cN.m [71-78 ozf.in] |
| Recommended Torque With Gasket | 25-30 cN.m [36-43 ozf.in] |
| IP Rating | IP54 |
| Water-Tight (IP65) Equivalent | 1590WBSF |
| Optional Replacement Gasket Kit | 1590BGASKET |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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It has a flanged bottom plate; the drawing notes the bottom flange is welded. Overall length across the flange is 140.21 mm [5.520 in] with a flange hole spacing of 128.93 mm [5.076 in].
106.47 mm [4.192 in] long, 54.97 mm [2.164 in] wide and 38.00 mm [1.496 in] high.
IP54 as standard. The water-tight 1590WBSF, or this enclosure fitted with the 1590BGASKET kit and lid screws torqued to 25-30 cN.m, is designed to meet IP65.
Yes, 1590BSFBK is the black textured version.
The drawing shows an overall height of 43.50 mm [1.713 in] including the bottom flange.

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