1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of the Legrand 401707 Electrical Enclosure. This product is designed to safely house and organize electrical components, offering protection and efficient distribution for up to 36 modules across two distinct rows. Adherence to these guidelines ensures proper functionality and safety.
2. Important Safety Information
WARNING: Risk of electric shock. Installation and service should only be performed by qualified personnel.
- Always disconnect power at the main circuit breaker or fuse box before installing, servicing, or performing any work on the electrical enclosure or its contents.
- Ensure all local and national electrical codes and regulations are strictly followed during installation.
- Use appropriate personal protective equipment (PPE) when working with electrical systems.
- Do not install this product in wet or damp locations unless specifically rated for such environments.
- Verify all connections are secure and properly insulated to prevent short circuits.
3. Package Contents
Please verify that all items listed below are present in your package:
- 1 x Legrand 401707 Electrical Enclosure
- Installation Hardware (e.g., mounting screws, anchors - specific items may vary)
- User Manual (this document)
4. Product Specifications
| Brand | Legrand |
| Model Number | 401707 |
| Material | Metal, Plastic |
| Number of Circuits | 36 |
| Number of Modules | 36 |
| Number of Rows | 2 |
| Phase Type | Three Phase |
| Item Weight | 7.92 pounds (3.59 kg) |
| Package Dimensions | 19.88 x 19.09 x 5.12 inches (50.5 x 48.5 x 13 cm) |
| Features | Transparent door for visual inspection, suitable for horizontal and vertical mounting. |
5. Installation and Setup
Before beginning installation, ensure all safety precautions are understood and followed.
- Site Selection: Choose a dry, protected location for mounting the enclosure. Ensure adequate space for opening the door and for future wiring and maintenance.
- Mounting:
- Mark the desired mounting points on the wall using the enclosure as a template.
- Drill pilot holes suitable for the provided mounting hardware.
- Securely fasten the enclosure to the wall, ensuring it is level and stable.
- Wiring Entry: Utilize the designated knockouts or entry points for electrical conduits and cables. Ensure proper strain relief and sealing to maintain the enclosure's integrity.
- Component Installation: Install circuit breakers, terminal blocks, and other electrical modules onto the DIN rails within the enclosure. Follow the manufacturer's instructions for each component.
- Wiring Connections: Connect all electrical wiring according to the circuit diagram and local electrical codes. Ensure all connections are tight and properly insulated.
- Grounding: Ensure the enclosure and all metallic components are properly grounded as per electrical safety standards.
- Final Inspection: Before restoring power, perform a thorough visual inspection to confirm all wiring is correct, connections are secure, and no tools or debris are left inside the enclosure.
- Close and Secure: Close the transparent door and ensure it latches securely.
Figure 1: The Legrand 401707 Electrical Enclosure. This image displays the grey-colored enclosure with its transparent front door, clearly showing the two horizontal sections designed for module installation.
6. Operation
The Legrand 401707 Electrical Enclosure is designed for passive operation, primarily serving as a protective housing and organizational unit for electrical components.
- Visual Inspection: The transparent door allows for quick visual inspection of the status of installed circuit breakers and other modules without needing to open the enclosure.
- Accessing Modules: To access the internal components for maintenance, resetting breakers, or modifications, unlatch and open the transparent door. Ensure power is disconnected before performing any internal work.
- Circuit Identification: It is recommended to clearly label each circuit within the enclosure for easy identification and safe operation.
7. Maintenance
Regular maintenance helps ensure the longevity and safe operation of your electrical enclosure.
- Cleaning: Clean the exterior of the enclosure with a soft, dry cloth. Avoid using abrasive cleaners or solvents that could damage the plastic or metal finish.
- Periodic Inspection: At least once a year, or more frequently in dusty or harsh environments, perform a visual inspection of the enclosure.
- Check for any signs of physical damage, corrosion, or discoloration.
- Ensure the transparent door hinges and latches are functioning correctly and the door closes securely.
- With power disconnected, check for any loose wiring connections inside the enclosure.
- Environmental Conditions: Ensure the operating environment remains within the specified conditions for electrical enclosures to prevent premature wear or failure.
8. Troubleshooting
This section addresses common issues you might encounter with the electrical enclosure itself. For issues related to specific electrical components housed within, refer to their respective manuals.
- Problem: The transparent door does not close or latch properly.
- Solution: Inspect the hinges and latches for any obstructions, damage, or misalignment. Ensure no internal components are protruding and preventing the door from closing flush. If damaged, contact Legrand support for replacement parts.
- Problem: Visible damage (cracks, dents) to the enclosure body or door.
- Solution: If the structural integrity or protective capabilities of the enclosure are compromised, it must be replaced immediately. Disconnect all power to the enclosure before attempting replacement. Continued use of a damaged enclosure can pose a safety hazard.
- Problem: Excessive heat or unusual odors emanating from the enclosure.
- Solution: This indicates a serious electrical issue within the enclosure. Immediately disconnect power at the main source. Do not attempt to open or inspect the enclosure until power is confirmed off. Contact a qualified electrician to diagnose and rectify the underlying electrical problem.
9. Warranty and Support
For detailed warranty information, technical assistance, or to inquire about replacement parts, please refer to the official Legrand website or contact Legrand customer service directly. Please have your product model number (401707) and purchase date available when contacting support.
Legrand Official Website: www.legrand.us
