855-9150/2000-1751

Current Sense Transformers Overview

The WAGO 855-9150/2000-1751 is a Rogowski coil current sensor designed for AC current measurement with a primary rated current of 4000 A. It features a split-core construction and delivers an output signal of 22.5 mV per kA. The device operates within a frequency range of 50 Hz to 60 Hz and achieves Class 1 measurement accuracy according to EN 61869 standards. Its non-magnetic closed-air design prevents saturation effects, ensuring accurate readings across wide current ranges without interrupting ongoing processes.

Current Sense Transformers Feature Summary

• Non-magnetic split core design eliminates saturation effects for accurate wide-range measurement
• Class 1 measurement accuracy compliant with EN 61869 standards
• Enables retrofitting in existing systems without interrupting ongoing processes

Current Sense Transformers Applications

• Retrofitting energy data acquisition in existing industrial systems
• AC current sensing in machinery and equipment manufacturing
• Space-saving energy monitoring applications

Current Sense Transformers Procurement Notes

Verify the specific item number 855-9150/2000-1751 against official WAGO documentation to confirm compatibility with required interface modules such as 857-552 or 750-495 series. Ensure the application environment supports the specified 50 Hz to 60 Hz frequency range and that the 4000 A primary current rating aligns with system requirements. Cross-reference technical specifications directly with manufacturer datasheets to validate performance claims.

Current Sense Transformers Selection Notes

Select this component when high-resolution current measurement is required for AC signals up to 4000 A without magnetic saturation risks. The split-core architecture facilitates installation on existing busbars or cables without disconnection. Consider the 22.5 mV/kA output signal level for compatibility with connected signal conditioning devices. This model is suitable for applications prioritizing measurement accuracy and ease of retrofitting over permanent installation solutions.

Current Sense Transformers Part Context

This Rogowski coil belongs to the WAGO 855 series, which focuses on space-saving current sensing solutions. The series utilizes modern production methods to achieve high resolution and accuracy in compact dimensions. These coils are engineered to integrate seamlessly with WAGO's broader I/O and control cabinet engineering products, supporting flexible and modular automation architectures.

Current Sense Transformers Replacement Considerations

Publicly confirmed substitute part numbers include 855-9450/2000-0501, 855-9450/2000-1751, and 855-9150/2000 variants listed in UL Solutions records. Verify electrical parameters and physical dimensions before substitution.