CostSaver Composite EMI/RFI Junction Boxes
| Lots of Junction Boxes are Built for use in Harsh, EMI/RFI Applications. Ours are Built to Save You Money. Glenair is the recognized leader in composite thermoplastic research and development for the interconnect accessory industry. Glenair's lightweight/high-strength CostSaver Composite EMI/RFI Junction Boxes are ideally suited for use in harsh environments where resistance to electromagnetic interference, corrosive fluids, high temperatures, shock and vibration is a critical requirement. The boxes are designed to meet the shock and vibration requirements of MIL-S-901D and MIL-STD-167SHIPS. Box materials also meet stringent EMI/RFI/HIRF and indirect lightning strike performance specifications.  NEW! NAVSEA Approved Composite Electrical Enclosures Box Design Guide Step One: Select Box Size Step Two: Select Box Color, Plating and Plating Coverage Step Three: Select the (Optional) Grounding/Earthing Device Composite Boxes, Connectors and Accessories Test Plan Step Four: Select Internal Terminal Rail Mounting Plate and Drilling Step Five: Select Box Input-Output Components: Feed-Through Fittings Step Six: Select Box Input-Output Components: Environmental Connectors Step Seven: Select Wire and Cable Construction Step Eight: Select Additional Penetrations for Hole-Cap Assemblies Step Nine: Mount the Finished Assembly Electrical Performance Specifications Box Specification Worksheet (PDF) OR Online Worksheet Submission Form |
| Product Selection Guide Box series numbers are for reference only. Please complete the online box specification worksheet for your specific box configuration. | |
 | Mini Junction Box (Series 140-100) Typically used in controlled (non-environmental) applications (such as instrument cases) or as an junction box for miniature connectors. |
 | Small Junction Box (Series 140-101) Designed for use in harsh environmental applications (shipboard weather deck, up-mast, etc.) which require EMI/RFI protection and resistance to vibration and shock. |
 | Medium Junction Box Used in high-performance military and commercial applications as a terminal block enclosure, interconnect junction box or instrument case. Size is suitable for larger shell size connectors and fittings. |
 | Large Junction Box This large volume box is geared for cable storage and for use in large electrical and optical interconnect junctions. Top and side surface area accommodate large numbers of circular and rectangular connectors and fittings. The box is fully gasketed and ready for use in harsh environments. |
 | Small Low-Profile Junction Box Ideal for use in limited size and space applications, this composite box is geared for fiber optics and other miniaturized interconnect components. The box has been used extensively in high-performance air and space retrofit applications. |
 | Medium Low-Profile Junction Box This low-profile box is geared for tight spaces, such as under-seat cockpit and in-flight-entertainment systems. The box features three (optional) internal dividers for increased isolation of radiated EMI. |
 | Small Three-Legged Junction Box The latest box design from Glenair is ideally suited for reduced package-size junction box applications such as LED lighting, switches and other single component applications. Designed to accomodate a 3.5 inch internal mounting plate, the three-legged box is currently in use in a wide range of US Navy applications. Three sides of the hexagonal box, as well as the lid, can accomodate bulkhead fittings. Materials and performance ratings are identical to the other boxes in the Glenair composite box line. |
 | Terminal Rail/Block Mounting Plate (687-466) Dimensional Details |
 | Three-Legged Box Round Internal Mounting Plate (687-305-22) Dimensional Details |
 | Slotted Terminal Block Mounting Rail (687-467) Dimensional Details |
 | Hole Cap Assembly (687-461) Dimensional Details |
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