2420890000

Overview

The Weidmüller 2420890000 is a closed current transformer designed for precise measurement of load current consumption using RMS value methods. It features an asymmetrical cable feed-through and supports a primary rated current of 750 A with a secondary output of 5 A. The device has a burden capacity of 5 VA and a tolerance class of 1. It includes touch protection and is suitable for DIN rail mounting.

Feature Summary

• Provides precise current measurement via RMS value methods
• Features asymmetrical cable feed-through design
• Includes integrated touch protection for safety

Applications

• Industrial current monitoring systems
• Electrical load measurement applications
• DIN rail mounted control panels

Procurement Notes

Verify the part number 2420890000 matches the required specifications, including the 750 A primary current and 5 A secondary output. Confirm that the 5 VA burden rating and tolerance class 1 meet your system requirements. Ensure the physical dimensions and asymmetrical feed-through are compatible with your installation space and cable configuration before ordering.

Selection Notes

Select this component when a closed current transformer with high primary current capacity is needed. The 750 A rating suits heavy industrial loads. Consider the 5 A secondary output compatibility with downstream meters or relays. The touch protection feature adds safety in accessible installations. Verify the asymmetrical hole size fits the specific cable type being monitored.

Part Context

This model belongs to the CMA series of current transformers from Weidmüller. It is specifically designated as CMA-31-750-5A-5VA-1. The series focuses on accurate current sensing for industrial automation and power distribution applications where reliable RMS measurement is critical.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.