Legrand Terminal For Main Cable - 400405
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Product Information
Full details
This guide is for electricians and installers working with main power distribution. The Legrand 400405 terminal offers a secure and reliable screw connection for main cables, simplifying installations. A potential caveat is its specific wire size compatibility, requiring careful pre-installation checks.
All features
| Model Part Number | 400405 |
|---|---|
| Brand | Legrand |
Extended Product Information
FAQs
What is the maximum wire size this terminal can accommodate?
The Legrand 400405 terminal is designed for wire sizes ranging from 10 mm² to 25 mm².
What is the nominal current rating for this terminal?
The nominal current rating for this terminal is 100 A.
How is this terminal mounted?
This terminal is designed for standard DIN rail mounting.
What does '4 poles' mean in relation to this terminal?
It indicates that the terminal has four connection points, suitable for systems requiring connections for four conductors (e.g., three phases and a neutral in some power systems).
Can this terminal be used for general wiring, not just main cables?
While it provides a secure connection, it is specifically designed and rated for main cable applications due to its high current capacity and robust terminal design. It may not be suitable for all types of general wiring.
What are the physical dimensions of the terminal?
The terminal has dimensions of Height: 92 mm, Width: 71 mm, and Depth: 51 mm.
Troubleshooting
Terminal not making a secure connection
Verify the wire size is within the 10-25 mm² range. Ensure the cable is fully inserted and that all screws are tightened appropriately without over-tightening.
Overheating at the connection point
Check that the wire size is appropriate and that screws are properly torqued. A loose connection is the most common cause of overheating. Ensure the current draw does not exceed the 100 A nominal rating.
Difficulty mounting on DIN rail
Ensure the DIN rail is correctly installed and is a standard profile. Check that the terminal's mounting clip is clean and functional.
Pros and Cons
Pros
- Secure and reliable screw terminal connections.
- Suitable for high current applications (100 A).
- Standardized DIN rail mounting for easy installation.
- Designed for a range of main cable sizes (10-25 mm²).
- Compact form factor fits well in distribution boards.
Cons
- Specific wire size requirement may limit flexibility.
- Requires precise wiring for optimal connection.
- Primarily designed for main cable connections, not general wiring.
Setup, Compatibility & Care
Setup:
- Ensure the power supply is completely disconnected before installation.
- Select the appropriate wire size (10-25 mm²) for the main cable.
- Strip the cable ends to the correct length as per terminal specifications.
- Insert the cable ends into the designated screw terminals.
- Tighten the screws firmly to secure the cable, ensuring a solid electrical contact.
- Mount the terminal onto a standard DIN rail within the distribution board.
Compatibility:
- Designed for main cable connections.
- Compatible with wire sizes from 10 mm² to 25 mm².
- Suitable for 4-pole systems.
- Standard DIN rail mounting.
Care:
- Regularly inspect terminals for any signs of corrosion or damage.
- Ensure screws remain tight, especially after initial installation and during periodic maintenance checks.
- Keep the area around the terminal clean and free from dust and debris.
- Avoid excessive moisture or harsh cleaning agents. A dry cloth is sufficient for cleaning.