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Product Detailed Parameters
- Description：CMA-31-150-5A-2,5VA-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)：150 A
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Overview
The Weidmüller 2421030000 is a closed current transformer, model CMA-31-150-5A-2,5VA-0,5. It features a primary current of 150 A and a secondary current of 5 A. The device supports a load of 2.5 VA with an accuracy class of 0.5. Operating voltage is 1.2 kV at a nominal frequency of 50 Hz. The thermal rated continuous current is 1.2 times the rated value. Maximum operating temperature is 50 °C.
Feature Summary
- Provides precise measurement of current consumption using RMS value methods
- Features asymmetrical cable feed-through design for compact integration
Applications
- Industrial electrical systems monitoring
- Control applications requiring current sensing
- Load current consumption measurement
Procurement Notes
Verify part number 2421030000 against manufacturer documentation to ensure correct specifications. Confirm compatibility with 50 Hz nominal frequency and 1.2 kV operating voltage requirements. Check thermal limits and accuracy class 0.5 suitability for specific application needs before procurement.
Selection Notes
Select this component when precise RMS current measurement is required in industrial settings. Ensure the 150 A primary current rating matches the system load. Verify that the 2.5 VA burden capacity and 0.5 accuracy class meet circuit requirements. Consider the 50 Hz frequency and 50 °C maximum operating temperature constraints.
Part Context
This current transformer belongs to the CMA-31 series by Weidmüller. It is designed for DIN rail mounting in control cabinets. The unit integrates into electrical distribution systems for monitoring purposes. It serves as a sensor interface between high-current circuits and low-current measurement devices.
FAQ
What is the accuracy class of the 2421030000?
The accuracy class is 0.5.
What is the maximum operating temperature?
The maximum operating temperature is 50 °C.
