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855-4001/250-000 is listed in the Current Sense Transformers range at ChipApex. The manufacturer field lists WAGO Corporation. Its product description is CURR SENSE XFMR 250A CHAS MNT. Review the specifications below when checking this part for your BOM.
The WAGO 855-4001/250-000 is a split-core current transformer designed for retrofitting existing electrical systems. It features a primary rated current of 250 A and a secondary rated current of 1 A. The device has a rated power of 0.2 VA and an accuracy class of 0.5. This component allows for non-invasive installation around conductors, making it suitable for confined spaces where traditional through-core transformers cannot be fitted.
Verify that the specific part number matches the required primary current rating of 250 A and secondary output of 1 A. Confirm the accuracy class of 0.5 meets the application's precision requirements. Ensure the physical dimensions are compatible with the available space for installation. Check for any specific mounting hardware requirements associated with the split-core mechanism.
Select this model when retrofitting is necessary due to space constraints or inability to break the circuit. The split-core architecture is essential for installations where the primary busbar or cable cannot be removed. Consider the 0.2 VA burden capacity to ensure compatibility with connected measuring instruments. Verify that the 250 A primary rating aligns with the maximum expected load current.
This component belongs to the WAGO 855 Series of current transformers. The series offers various primary current ratings and configurations to suit different measurement needs. The 855-4001/250-000 specifically addresses applications requiring a 250 A primary input with a standard 1 A secondary output.
No public confirmed substitute part numbers are available in the provided documentation.
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