
The 1554MPB3 houses three 22.5 mm push buttons, pilot lights or selectors in a sealed polycarbonate enclosure, making it a natural fit for forward/reverse/stop or hand/off/auto stations. It is designed for integrators and maintenance teams working outdoors or in wet, dusty or wash-down areas. The 30.5 mm hole version is the 1554PB3.
Size is 7.87 in H x 4.72 in W x 3.56 in D with lid (200 x 120 x 90 mm) per the ordering table, with a nominal 7.9 x 4.7 x 3.5 in on the part page. It is built on the 1554U enclosure, has four Ø4.00 mm mounting holes outside the gasket seal, and ships at 0.73 lbs (0.33 kg).
The UL94 5VA polycarbonate is suitable for outdoor use and finished in light gray RAL 7035. Self-captivating M4 stainless steel machine screws thread into integral stainless steel bushings, and the preformed high temperature U.L. listed silicone gasket is replaceable. The base provides internal DIN rail mounting tabs, M3 brass inserts and standoffs for M3.5 or #6 self tapping screws, and molded vertical card guides for 1.5 mm PC boards.
Each 1554MPB3 includes box, lid, 4 cover screws and gasket; recommended torque is 43-57 ozf-in (30-40 cN-m). The optional 1554UPL galvanized steel inner panel measures 7.60 x 4.20 in, and 1554FT feet are available. Ratings: IP66, NEMA 4, 4X, 6, 6P, 12 and 13, cUL US Listed (E65324) and UL 508A approved; RoHS and REACH compliant.
| Description | N4X PB encl - 3 PB x 22.5mm - Polycarb |
| Enclosure Type | Type 4, 4X polycarbonate pushbutton enclosure |
| Pushbutton Size | Lid accepts 22.5 mm push buttons (22 mm hole version) |
| Pushbutton Holes | 3 |
| 30.5 Mm Hole Equivalent | 1554PB3 |
| Base Enclosure (See For More Detail) | 1554U |
| Mounting Holes | 4X Ø4.00 mm [.16 in] mounting holes |
| Enclosure Width | 4.72 in (120 mm) |
| Enclosure Height | 7.87 in (200 mm) |
| Nominal Size (H X W X D) | 7.9 in x 4.7 in x 3.5 in (201 mm x 119 mm x 89 mm) |
| Pushbutton Hole Diameter | 22.5 mm [0.89 in] |
| Drawing Overall Dimensions | 200.00 x 120.00 x 90.00 mm [7.87 x 4.72 x 3.54 in] |
| Enclosure Depth (With Lid) | 3.56 in (90 mm) |
| Optional Inner Panel | 1554UPL steel inner panel, 7.60 in (193 mm) H x 4.20 in (107 mm) W (ordered separately) |
| Cover Screws (Pkg 50) | SC576-50 [M4-0.7 X 20mm Stainless Steel] |
| Optional Mounting Feet | 1554FT |
| Inner Panel Construction | Heavy duty galvanized 16 ga. steel; includes mounting hardware |
| Steel Panel / P.C. Board Screws (Pkg 100) | 1591MM100 [M3-0.5 x 8mm Plated] |
| Steel Panel / P.C. Board Self Tapping Screws (Pkg 100) | 1598ATS100 [#6 X 1/4" (6.4mm) Plated] |
| UPC | 623980843360 |
| UNSPSC | 39121326 |
| Part Number | 1554MPB3 |
| Included | Box, lid, 4 cover screws and preformed silicone gasket |
| Shipping Weight | 0.73 lbs (0.33 kg) |
| Colour | Light gray (RAL 7035) |
| Gasket | Preformed, high temperature U.L. listed silicone rubber; replaceable |
| DIN Rail | Base includes internal DIN rail mounting tabs |
| Material | Polycarbonate (UL94 5VA @ 3 mm) |
| Outdoor Use | Polycarbonate material is suitable for outdoor use |
| Modification | Enclosures can be factory modified (milling, drilling, printing etc.); solid models available in STEP or IGES |
| Lid Fastening | Self-captivating M4 stainless steel machine screws (included) threaded into integral stainless steel bushings |
| PC Card Guides | Vertical PC card guides for 1.5 mm thick PC boards molded in (all but the smallest size) |
| Chemical Resistance | Some chemicals can damage or weaken plastic; 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 |
| Lid & Mounting Holes | Located outside of the gasket seal |
| PCB / Panel Mounting | Threaded (M3) integral brass inserts and standoffs designed for M3.5 or #6 self tapping screws (all but the smallest size) |
| Cover Screws Included | 4 |
| Recommended Cover Screw Torque | 43-57 ozf-in (30-40 cN-m) |
| IP Rating | IP66 |
| NEMA Types (Series) | NEMA 4, 4X, 6, 6P, 12 & 13 |
| UL 508A | Polycarbonate version is UL 508A approved |
| Flammability | UL94 5VA |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
| UL Listing (Drawing) | cUL US Listed, File #E65324, Type 4, 4X, 6, 6P |
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Three.
7.87 in H x 4.72 in W x 3.56 in D with lid (200 x 120 x 90 mm); the part page lists a nominal 7.9 x 4.7 x 3.5 in.
The optional 1554UPL, 7.60 x 4.20 in (193 x 107 mm), galvanized 16 ga. steel with mounting hardware.
Yes, the 1554PB3.
Box, lid, 4 cover screws and a preformed silicone gasket.
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