The **1457U2802EBK** is a high-quality electronic enclosure manufactured by **Hammond Manufacturing**. It is specifically designed to house sensitive electronic assemblies, providing both physical protection and EMI/RFI shielding. Below is a detailed breakdown of its specifications and electronic features. --- ### 1. Technical Specifications | Feature | Description | | :--- | :--- | | **Manufacturer** | Hammond Manufacturing | | **Series** | 1457 Series (Watertight/Shielded) | | **Material** | Extruded Aluminum (6063-T6) | | **Finish** | Black Anodized | | **Dimensions** | 280mm (L) x 165mm (W) x 53mm (H) | | **Ingress Protection** | IP65 (Dust-tight, protected against water jets) | | **End Plates** | Die-cast Aluminum | --- ### 2. Key Electronic Design Features #### A. EMI/RFI Shielding The enclosure is designed to act as a **Faraday cage**. Because the body is extruded aluminum and the end plates are die-cast, it provides significant attenuation of electromagnetic interference. The "E" in the part number often signifies enhanced shielding capabilities or specific gasket types used to maintain electrical continuity between the body and the end plates. #### B. Internal PCB Mounting The interior of the extrusion features built-in **horizontal slots**. * **Card Guides:** These allow for the easy sliding of Printed Circuit Boards (PCBs). * **Standard Sizing:** It is designed to accept standard Eurocard sized PCBs or custom boards that match the internal width of the extrusion. #### C. Thermal Management Aluminum is an excellent thermal conductor. The 1457U2802EBK acts as a massive **heat sink** for the internal electronics. Components like power transistors or CPUs can be thermally coupled to the interior walls to dissipate heat to the external environment. #### D. Environmental Protection The "Watertight" designation is achieved through: * **Self-Adhesive Gaskets:** Placed between the end plates and the aluminum body. * **O-Rings:** Used on the assembly screws to prevent moisture ingress. --- ### 3. Part Number Breakdown | Segment | Meaning | | :--- | :--- | | **1457** | Series identifier (Heavy duty, extruded aluminum) | | **U** | Size Code (Specific width and height profile) | | **280** | Length in millimeters (approx. 280mm) | | **2** | Specifies the end plate type (usually the shielded/gasketed version) | | **EBK** | **E** = Enhanced/Shielding features; **BK** = Black Anodized Finish | --- ### 4. Typical Applications * **Industrial Controllers:** Protecting PLCs or custom logic in harsh environments. * **Signal Converters:** Where RF interference needs to be blocked to maintain signal integrity. * **Outdoor Sensors:** Utilizing the IP65 rating for weather resistance.