When you need to see status LEDs, displays or meters without opening the box, the 1554F2GYCL pairs a light gray (RAL 7035) polycarbonate base with a clear polycarbonate flat lid. It is the see-through version of the 120 x 90 x 61 mm 1554F size, aimed at controls engineers and installers housing circuit boards or DIN rail devices.
Clear lids in this series carry a UL94 V-0 flame rating, and the enclosure is cUL and UL 508A listed under file E65324. Polycarbonate versions are UV stabilized for outdoor use, have an IK08 impact rating, and have a recommended operating temperature of -40°C to +110°C. Protection is rated IP68 and NEMA 4, 4X, 6, 6P, 12 and 13.
Per the drawing, the box measures 120.00 x 90.00 mm with a 60.50 mm height; inside it offers 112.91 mm of length, 80.91 mm of width and 54.50 mm of height. A PC board up to 77.47 x 108.41 mm can be mounted on the M3 brass inserts or #6 self-tapping standoffs, stood in the molded card guides for 1.5 mm boards, or replaced with DIN rail on the molded tabs. The 1554FPL steel inner panel is sold separately.
The lid closes on a two piece tongue and groove joint with a replaceable one-piece silicone gasket (supplied loose, not pre-installed) and four included self-captivating M4 stainless steel screws. Wall-mounting holes, 4X Ø4.00 mm, are outside the gasket channel and accept the 1554FT foot kit. The 1554F2GYCL is REACH and RoHS compliant and ships shrink wrapped at 0.42 lbs (0.19 kg).
| Type | Water-tight |
| Series | 1554 Series - Type 4X, 6P Polycarbonate & General Purpose ABS Enclosures |
| Lid Style | Flat lid, screw cover |
| Description | RAL7035 grey polycarb plastic watertight enclosure, clear lid |
| Drawing Reference | 1554F (REV: 19.12.2025) |
| Short Description | 120X90X60MM P/C NEMA CLR LID |
| Inside Width (Drawing) | 80.91 mm [3.19 in] |
| Width (Ordering Table) | 3.54 in (90 mm) |
| Inside Height (Drawing) | 54.50 mm [2.15 in] |
| Inside Length (Drawing) | 112.91 mm [4.45 in] |
| Length (Ordering Table) | 4.72 in (120 mm) |
| Nominal Size (L X W X H) | 4.7 in x 3.5 in x 2.4 in (119 mm x 89 mm x 61 mm) |
| Overall Height (Drawing) | 60.50 mm [2.38 in] |
| Total Height (Ordering Table) | 2.40 in (61 mm) |
| Overall Length X Width (Drawing) | 120.00 x 90.00 mm [4.72 x 3.54 in] |
| Inner Panel | 1554FPL (steel, order separately) |
| Replacement Gasket | 1554FGASKET |
| Other Series Accessories | Breather kit, small rainproof ventilator, pressure compensation plug, hole plugs, pole mount kit, liquid-tight cordgrips (nylon or nickel plated brass) |
| Replacement Lid Screws (50-Pk) | SC576-50 |
| UPC | 623980304205 |
| UNSPSC | 39121301 |
| Part Number | 1554F2GYCL |
| Foot Kit | 1554FT (installs in the same wall-mounting holes) |
| Mounting Holes | 4X Ø4.00 mm [Ø.16 in], located outside of the gasket channel |
| ABS, Gray Lid | 1554FGY |
| Polycarbonate, Gray Lid | 1554F2GY |
| Polycarbonate, Clear Lid | 1554F2GYCL |
| Polycarbonate, Smoked Lid | 1554F2GYSL |
| Packaging Type | shrink wrap |
| Shipping Weight | 0.42 lbs (0.19 kg) |
| Lid | Clear polycarbonate |
| Color | Clear |
| Gasket | One-piece, replaceable, high temperature UL listed silicone; supplied loose inside the enclosure (not pre-installed) |
| Lid Seal | Two piece tongue and groove construction |
| Material | Polycarbonate |
| CAD Models | Solid models available in .stp or .x_t |
| Lid Screws | 4 x M4 stainless steel machine screws, included; self-captivating |
| Enclosure Color | Light gray (RAL 7035) |
| Lid Screw Inserts | M4 corrosion resistant inserts inside lid |
| Factory Modification | Milling, drilling, printing etc. available from the factory |
| DIN Rail | Internal DIN rail mounting tabs molded in |
| PC Card Guides | Vertical guides molded in, for 1.5 mm thick PC boards |
| Internal Inserts | M3 brass inserts inside box |
| Internal Standoffs | Accept #6 self-tapping screws |
| Max. P.C. Board Width | 108.41 mm |
| Max. P.C. Board Length | 77.47 mm |
| IP Rating | IP68 |
| NEMA Rating | 4, 4X, 6, 6P, 12 & 13 |
| Impact Rating | IK08 per IEC 62262:2021 |
| UV Resistance | UV stabilized for outdoor use |
| Chemical Resistance | 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 |
| Recommended Operating Temperature | -40°C to +110°C (-40°F to +230°F) |
| Series IP Testing (Polycarbonate) | Independently tested to meet IP66, IP67 and IP68 |
| UL Listing | cUL and UL 508A listed, file #E65324 |
| Flame Rating | UL94 V-0 |
| RoHS Compliant | Yes |
| Drawing Marking | cULus Listed, Type 4, 4X, 6, 6P (polycarbonate version only) |
| REACH Compliant | Yes |
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It has a clear polycarbonate lid on a light gray polycarbonate base. The body size and ratings match the gray-lid 1554F2GY; a smoked lid version is 1554F2GYSL.
The part is listed at UL94 V-0. The series notes that clear and smoked lids carry UL94 V-0, while solid gray polycarbonate is UL94-5VA.
The drawing shows inside dimensions of 112.91 mm long, 80.91 mm wide and 54.50 mm high, and the part page lists a maximum PC board of 77.47 x 108.41 mm.
It is rated IP68 and NEMA 4, 4X, 6, 6P, 12 and 13. Hammond recommends customers test suitability for their specific application.
The replacement gasket is 1554FGASKET and replacement lid screws come as SC576-50 (50-pack).
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