The 1557DA2BK is the deeper 120 mm square enclosure in the 1557 Series, molded in black UL listed polycarbonate and measuring 4.72 in x 4.72 in x 2.76 in (120 mm x 120 mm x 70 mm). With 63.80 mm [2.51 in] of inside height it gives room for taller components above a circuit board in outdoor and harsh-environment installations.
Its polycarbonate is UV stabilized for outdoor use and the series lists independent testing to IP66, IP67 and IP68 plus NEMA Type 4, 4X, 6, 6P, 12 and 13. It is cUL and UL 508A listed under file E65324 and carries an IK08 impact rating per IEC 62262:2021. Flame rating is listed as UL94 V-0 on the part page; the drawing states UL94-5VA at 3 mm. Recommended operating temperature is -40°C to +110°C (-40°F to +230°F).
Inside length and width are each 111.02 mm [4.37 in], and a PC board up to 108.5 mm x 108.5 mm mounts on bosses that accept #6 self-tapping screws. The lid closes with two piece tongue and groove construction, a one piece UL listed silicone gasket and four M4 stainless steel screws into corrosion resistant bushings; recommended cover screw torque is 71-85 ozf-in (50-60 cN-m).
The 1557DA2BK comes with four rubber feet, four wall mount feet and four wall mount foot screws for desktop, flush wall or heavy duty wall flange use (feet torque 100 - 110 cN-m, 8.8 - 9.7 lbf-in). Pole mount kits PMB5057KIT3 and PMB5057KIT4 cover poles up to 7 in and 15 in. Shipping weight is 0.62 lbs (0.28 kg).
| CAD Models | Solid models available in .stp or .x_t |
| Wall Fasteners | #8 pan head screws recommended (not included) |
| Wall Mount Feet | Accept #8 self-tapping screw |
| Factory Modification | Milling, drilling, printing etc. available from the factory ([email protected] for quotes) |
| Pole Mount Screw Type | #8 x 3/8" |
| Mounting Configurations | Desktop / tabletop (rubber feet), flush wall mount (mounting feet as keyhole slots), heavy duty wall flange mount (mounting feet outward) |
| Pole Mount Kit (7" Max) | PMB5057KIT3 |
| Pole Mount Kit (15" Max) | PMB5057KIT4 |
| Pole Mount Replacement Screw Pack | SCPMB5-20 |
| Wall Mount Foot Installation Torque | Polycarbonate 100 - 110 cN-m or 8.8 - 9.7 lbf-in |
| Type | Water-tight |
| Series | 1557 Series Type 4/4X, 6/6P Polycarbonate and ABS Plastic Enclosures |
| Long Description | BLACK PC plastic watertight enclosure |
| Enclosure Profile | 1557DA |
| Short Description | PC NEMA WALL MNT ENCL BK |
| Width | 4.72 in (120 mm) |
| Length | 4.72 in (120 mm) |
| Inside Width | 111.02 mm [4.37 in] |
| Total Height | 2.76 in (70 mm) |
| Inside Height | 63.80 mm [2.51 in] |
| Inside Length | 111.02 mm [4.37 in] |
| Size (L X W X H) | 4.72 in x 4.72 in x 2.76 in (120 mm x 120 mm x 70 mm) |
| Max. P.C. Board Width | 108.5 mm |
| Max. P.C. Board Length | 108.5 mm |
| UPC | 623980987545 |
| UNSPSC | 39121301 |
| Same-Size Variants | 1557DABK, 1557DAGY, 1557DA2GY |
| Aluminum Inner Panel | 1557DPL |
| Replacement Gasket (2-Pack) | 1557DGASKET |
| Replacement Lid Screws (50-Pack) | SC576-50 |
| Wall Mount Foot Screws (50-Pack) | SC556-50 [#8 x 3/8" self tapping, stainless steel] |
| Replacement Rubber Feet (24-Pack) | 1421T6CL |
| PC Board Mounting Screws (50-Pack) | SC526-50 [#6 x 1/4" self tapping] |
| Replacement Wall Mount Foot Kit (24-Pack) | 1557FOOT2BK-24 (black polycarbonate), 1557FOOT2GY-24 (gray polycarbonate) |
| Included | Box, lid, 4 cover screws, preformed silicone gasket, 4 rubber feet, 4 wall mount foot screws and 4 wall mount feet |
| Packaging Type | shrink wrap |
| Shipping Weight | 0.62 lbs (0.28 kg) |
| Color | Black |
| Gasket | One piece, preformed, high temperature UL listed silicone |
| Material | Polycarbonate (UV stabilized) |
| Lid Screws | Included M4 stainless steel machine screws [M4-0.7 x 20 mm] threaded into corrosion resistant bushings |
| Lid Inserts | M4-0.7 |
| Corner Styling | Rounded corners and face |
| Lid Construction | Gasketed lid with two piece tongue and groove construction |
| PCB Mounting Bosses | Accept #6 self-tapping screw |
| Recommended Cover Screw Torque | 71-85 ozf-in (50-60 cN-m) |
| IP Rating | IP68 (part page); series testing: IP66, IP67 and IP68 |
| NEMA Rating | 4, 4X, 6, 6P, 12 & 13 |
| Outdoor Use | UV stabilized for outdoor use |
| Impact Rating | IK08 per IEC 62262:2021 |
| Chemical Caution | Avoid acetone, ketones, ethers, aromatic and chlorinated hydrocarbons, thread locking compounds, cutting/tapping fluid, water detection paste, anti-seize paste, strong solvents or cleaners, and some greases and oils |
| Recommended Operating Temperature | -40°C to +110°C (-40°F to +230°F) |
| UL File # | E65324 |
| UL Listing | cUL and UL 508A listed; drawing marking cULus Listed Type 4, 4X, 6, 6P |
| Flame Rating | UL94 V-0 (part page); drawing: Matl UL94 - 5VA @ 3mm; series: UL94-5VA |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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The drawing lists an inside height of 63.80 mm [2.51 in], with 111.02 mm x 111.02 mm inside length and width.
The polycarbonate versions have been independently tested to IP67 and IP68 as well as NEMA Type 6 and 6P. Customers should conduct their own testing to determine suitability.
Four included stainless steel M4-0.7 x 20 mm cover screws threaded into corrosion resistant bushings; replacements are SC576-50 (50-pack).
Yes, pole mount kits PMB5057KIT3 (7 in max) and PMB5057KIT4 (15 in max) are listed for the 1557DA profile, using #8 x 3/8 in screws.
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