Eaton NZM1 - 266744
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Product Information
Full details
The Eaton NZM1-XIPK window clamp protection cover is an essential safety accessory for electrical professionals and facility managers working with NZM1, PN1, and N1 circuit breakers who need to ensure compliance with IP2X finger-safe standards. By shrouding exposed busbar tags, it prevents accidental contact during maintenance or operation, though users should be aware that it cannot be installed if the NZM-XSTK control circuit terminal is already in use.
All features
| Series | NZM1 |
|---|---|
| Model Part Number | 266744 |
| Brand | Eaton |
Extended Product Information
FAQs
What does the IP2X rating mean?
IP2X indicates that the device is protected against the entry of solid foreign objects with a diameter of 12.5 mm or greater, specifically preventing finger contact with hazardous internal parts.
Can I use this on a 4-pole circuit breaker?
No, the NZM1-XIPK is specifically designed and sized for 3-pole switches.
Does this cover prevent access for cable termination?
The cover is designed to be installed after cable termination to shroud the exposed busbar tags. You would need to remove the cover to perform maintenance on the wires.
Is this compatible with the NZM-XSTK?
No, the NZM1-XIPK cannot be combined with the NZM-XSTK control circuit terminal.
What is the width of the cover?
The cover has a width of 90 mm.
Can it be installed on the top and bottom simultaneously?
Yes, if you have two kits, you can install one cover on the top terminal and another on the bottom terminal of a 3-pole switch.
Troubleshooting
The cover does not snap into place securely.
Ensure that the NZM-XSTK control circuit terminal is not installed, as it physically obstructs the cover. Verify that the breaker model is indeed from the NZM1, PN1, or N1 series.
Cover feels loose after installation.
Check for any debris or wiring obstructions behind the cover that might prevent the clips from engaging fully. Ensure the cover is oriented correctly for the top or bottom terminal.
Pros and Cons
Pros
- Increases safety by preventing accidental finger contact
- Easy to install on either top or bottom terminals
- Specifically engineered for high-compatibility with NZM1/PN1/N1 series
- Provides a clean, professional finish to the terminal area
Cons
- Incompatible with the NZM-XSTK control circuit terminal
- Limited to 3-pole switch configurations
- Adds 90 mm width, which may impact tight cabinet layouts
Setup, Compatibility & Care
To install the NZM1-XIPK, identify whether you need the cover for the top or bottom terminal of your 3-pole NZM1, PN1, or N1 circuit breaker. Align the 90 mm housing with the terminal tags and press firmly until the clips engage. Before installation, ensure the breaker is fully de-energized and locked out.
Care instructions involve periodic visual inspections to ensure the plastic housing is free of cracks or degradation. Avoid using harsh chemical solvents for cleaning, as these may damage the structural integrity of the plastic. Note again that this cover is strictly prohibited for use if you are simultaneously using the NZM-XSTK control circuit terminal.