DEHN Locking Element For NH Fuse Holders - Size 1
Best current price£65.21from Tameson UK
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Tameson UKDehn Locking Element For Nh Fuse Holders Size 2-3 - 785644
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Product Information
Full details
This DEHN Locking Element for NH Fuse Holders (Size 1) is designed for electricians and maintenance personnel working with NH fuse holders and distribution blocks. It provides a crucial safety feature by preventing accidental reclosing of circuits, ensuring operational safety. A potential consideration is its specific size compatibility with NH 1 fuse holders.
All features
| Model Part Number | 785643 |
|---|---|
| Brand | Dehn |
Extended Product Information
FAQs
What is the primary purpose of this locking element?
Its primary purpose is to prevent the accidental reclosing of NH fuse holders and distribution blocks, serving as a critical safety device during maintenance or repair operations.
What does the "Nicht schalten" symbol mean?
The symbol translates to "Do not close the circuit" and serves as a clear visual warning indicating that the circuit should not be re-energized.
What voltage rating is this locking element suitable for?
It is suitable for nominal voltages of up to 1000 V.
Is this element compatible with all NH fuse holder sizes?
No, this specific element is designed for NH 1 size fuse holders only. Please refer to other product variants for different sizes.
How is the locking element installed?
It is manually inserted into the appropriate slot on the NH fuse holder or distribution block when the circuit is open.
Does this element conduct electricity?
No, this is an insulating blade designed purely for mechanical locking and safety, not for electrical conductivity.
What are the dimensions of this locking element?
The total length of the element is 135mm. It is sized for NH 1 fuse holders.
Troubleshooting
Element does not fit properly
Verify that you are using the correct size locking element (NH 1) for your specific NH fuse holder or distribution block. Ensure the fuse holder is in the fully open position.
Difficulty in inserting or removing the element
Check for any obstructions or debris in the fuse holder slots. Ensure the element is aligned correctly with the locking mechanism. Avoid forcing the element; it should insert and remove smoothly when positioned correctly.
Locking element appears damaged
If the element shows signs of cracking, bending, or excessive wear, it should be replaced immediately to ensure safety.
Pros and Cons
Pros
- Enhances safety by preventing accidental circuit reclosing.
- Meets relevant DIN and national regulatory standards.
- Suitable for high-voltage applications up to 1000 V.
- Precisely sized for NH 1 fuse holders.
- Durable design for reliable long-term use.
Cons
- Only compatible with NH 1 sized fuse holders.
- Requires manual installation and removal.
- Does not offer any electrical conductivity.
Setup, Compatibility & Care
Setup: The locking element is designed for manual insertion into the NH fuse holder or distribution block mechanism. Ensure the fuse holder is in the correct, open position before inserting the element. It is designed to fit snugly into the NH 1 size interface.
Compatibility: This specific locking element is designed exclusively for NH 1 sized fuse holders and distribution blocks. It is not compatible with other sizes (e.g., NH 00, NH 2, NH 3). It is intended for use with fuse holders operating at nominal voltages up to 1000 V.
Care: The product requires minimal care. Keep the element clean and free from debris that could impede its function. Store in a dry environment when not in use. Inspect periodically for any signs of damage. No lubrication or special maintenance is required.