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Product Detailed Parameters
- Description：CMA-31-400-5A-5VA-0,5
- Series：-
- Mfr：Weidmüller
- Package：Box
- Frequency Range：50Hz
- Type：Non-Invasive (Solid Core)
- Inductance：-
- ET (Volt-Time)：-
- Current Ratio：-
- DC Resistance (DCR)：-
- Ratings：-
- Mounting Type：DIN Rail
- Size / Dimension：2.362" L x 2.047" W (60.00mm x 52.00mm)
- Height - Seated (Max)：3.185" (80.90mm)
- Termination Style：Terminal Block
- Turns Ratio - Primary:Secondary：-
- Current Rating (Amps)：400 A
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Overview
The Weidmüller 2420980000 is a closed current transformer designed for precise load current consumption measurement using RMS value methods. It features a primary current rating of 400 A and a secondary current output of 5 A, with a maximum load capacity of 5 VA. The device adheres to tolerance class 0.5 and operates within an ambient temperature range of -5 °C to +50 °C. Measuring 52 mm in length, it utilizes a terminal block termination style and is intended for DIN rail mounting.
Feature Summary
- Closed core design for accurate RMS-based current measurement
- Asymmetrical cable feed-through configuration
- Terminal block termination for secure electrical connection
Applications
- Industrial energy management systems
- Machinery solutions requiring precise current monitoring
- DIN rail mounted electrical distribution panels
Procurement Notes
Verify the specific model designation CMA-31-400-5A-5VA-0,5 against official Weidmüller documentation to ensure compatibility with existing system requirements. Confirm that the operating temperature range and mechanical dimensions align with the installation environment. Cross-reference the tolerance class and burden specifications with the connected measuring instruments to guarantee measurement accuracy and performance integrity.
Selection Notes
Select this component when a closed current transformer with a 400 A primary rating and 5 A secondary output is required for industrial applications. Ensure the selected unit supports the necessary 5 VA burden and meets the 0.5 tolerance class standard. Verify that the terminal block termination and DIN rail mounting style fit the panel layout constraints.
Part Context
This part belongs to the Weidmüller CMA series of current transformers, which are engineered for machinery solutions and energy management applications. The series provides reliable current sensing capabilities for industrial automation and electrical distribution networks, supporting precise monitoring and control functions.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Weidmüller documentation or authorized distributors for verified alternative models with matching electrical and mechanical specifications.
