
The 1590WB2F is the 1590B2-size watertight enclosure fitted with a welded bottom flange, so the box itself can be fixed to a flat surface. Nominally 112 x 61 x 38 mm in natural aluminum and rated IP65 with its silicone gasket, it serves installers and OEM engineers who prefer to mount an enclosure through its base.
The box and lid are made from diecast aluminum alloy, which is tough yet easy to machine, and carry a natural aluminum finish that is vibra finished for a smooth surface with no sharp edges. A lap joint where lid and box meet guards against dust and splashing water, and a side wall draft angle of 2° or less eases PC board mounting. The maximum P.C. board dimensions listed for this part are 53.17 mm and 104.77 mm.
The listed size of 1590WB2F is 4.43 in x 2.38 in x 1.48 in (113 mm x 60 mm x 38 mm), and the series ordering table gives a nominal 4.41 in (112 mm) x 2.40 in (61 mm) x 1.50 in (38 mm). A flanged bottom plate is welded to the box; the drawing shows 140.21 mm [5.520 in] overall across the flange, with the box 112.40 mm [4.425 in] long, 60.50 mm [2.382 in] wide and 39.00 mm [1.535 in] high including the plate. Inside, the drawing gives 106.77 mm [4.203 in] of length, 55.17 mm [2.172 in] of width and 33.50 mm [1.319 in] of height; the lid height is 0.16 in (4 mm).
As a watertight version it is designed to meet IP65 and includes a silicone gasket, supplied loose inside the enclosure rather than pre-installed. The purchased assembly includes box, lid and 4 cover screws that thread into factory-tapped 6-32 UNC holes. Recommended torque is 50-55 cN.m [71-78 ozf.in], or 25-30 cN.m [36-43 ozf.in] with the gasket fitted. Replacement gasket kit 1590BGASKET holds two pre-formed, adhesive-backed silicone gaskets.
It is RoHS and REACH compliant, ships in shrink wrap at 0.41 lbs (0.19 kg), and solid models are available in STEP or IGES.
| Included | Box, lid and 4 cover screws |
| Cover Screw Thread | 4X 6-32 UNC, factory-tapped |
| Recommended Torque | 50-55 cN.m [71-78 ozf.in] |
| Standard Cover Screws | 1590MS100 plated, 1590MS100BK black (Pkg 100, 6-32 x 1/2") |
| Replacement Gasket Kit | 1590BGASKET (two pre-formed silicone gaskets, adhesive backed) |
| Liquid Resistant Cover Screws | 1590WMS100 stainless steel, 1590WMS100BK black stainless steel (Pkg 100, 6-32 x 1/2" with O-ring) |
| Recommended Torque With Gasket | 25-30 cN.m [36-43 ozf.in] |
| Type | Die-cast box, water-tight |
| Series | 1590 Series Diecast Aluminum Enclosures |
| Version | Water-Tight |
| Enclosure Size | 1590B2 |
| Mounting Style | Flanged bottom plate (spot-welded bottom flange) |
| Long Description | enclosure - watertight diecast |
| Short Description | 1590B2 WATERPROOF FLANGED BOX |
| Other Finish, Same Style | 1590WB2FBK (Black) |
| Standard (IP54) Equivalent | 1590B2F |
| Lid Height | 0.16 in (4 mm) |
| Inside Width | 55.17 mm [2.172 in] |
| Inside Height | 33.50 mm [1.319 in] |
| Inside Length | 106.77 mm [4.203 in] |
| Size (L X W X H) | 4.43 in x 2.38 in x 1.48 in (113 mm x 60 mm x 38 mm) |
| Max. P.C. Board Width | 104.77 mm |
| Max. P.C. Board Length | 53.17 mm |
| Outside Width (Drawing) | 60.50 mm [2.382 in] |
| Nominal Size (L X W X H) | 4.41 in (112 mm) x 2.40 in (61 mm) x 1.50 in (38 mm) |
| Outside Length (Drawing) | 112.40 mm [4.425 in] |
| Overall Height (Drawing) | 39.00 mm [1.535 in] |
| Overall Length Incl. Bottom Flange | 140.21 mm [5.520 in] |
| UPC | 623980810171 |
| UNSPSC | 39121301 |
| CAD Models | Solid models available in STEP or IGES |
| Part Number | 1590WB2F |
| Packaging Type | shrink wrap |
| Shipping Weight | 0.41 lbs (0.19 kg) |
| Color | Natural Aluminum |
| Finish | Natural, vibra finished (smooth surface, no sharp edges) |
| Material | Aluminum (Die-Cast Alloy) |
| Construction | Lap joint where lid and box meet |
| Bottom Flange | Welded |
| Box And Lid Material | Diecast Aluminum Alloy |
| Factory Modification | Milling, drilling, printing available from factory |
| Side Wall Draft Angle | 2° or less |
| Gasket | Silicone, supplied loose inside the enclosure (not pre-installed) |
| IP Rating | IP65 |
| Gasket Temperature Rating | -40°C to 150°C (-40°F to 302°F) |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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It is the water-tight version, rated IP65. It includes a silicone gasket that is supplied loose inside the enclosure and must be installed on the lid; lid screws should be torqued to 25-30 cN.m (36-43 ozf.in) with the gasket.
The drawing gives an inside length of 106.77 mm [4.203 in], inside width of 55.17 mm [2.172 in] and inside height of 33.50 mm [1.319 in]. Maximum P.C. board dimensions are listed as 53.17 mm and 104.77 mm.
It has a flanged bottom plate welded to the box. The drawing shows an overall length of 140.21 mm [5.520 in] across the flange.
The assembly includes the box, lid and 4 cover screws (6-32 UNC). Stainless liquid-resistant replacement screws with O-ring are 1590WMS100 or 1590WMS100BK (Pkg 100).
The series table lists 1590BGASKET as the optional replacement gasket kit. Each kit includes two pre-formed silicone gaskets with adhesive backing, applied to the lid.
Yes. It is listed as RoHS compliant and REACH compliant.

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