CR4170-25

Current Sensors Overview

The CR4170-25 is a three-element solid core True RMS AC current transducer manufactured by CR Magnetics Inc. It features a 25A input range and operates within a frequency band of 20Hz to 5kHz. The device requires a 24V DC power supply with a maximum current consumption of 60mA. It provides bidirectional measurement capabilities and exhibits a response time of 250ms. The unit supports an output load of at least 2k ohms and functions reliably within an operating temperature range of 0°C to 60°C.

Current Sensors Feature Summary

• Three-element solid core design for precise AC current measurement
• True RMS capability ensures accuracy with non-sinusoidal waveforms
• Bidirectional polarization allows for current flow in both directions
• Supports external current transformers to extend measurement ranges

Current Sensors Applications

• Phase-fired controlled heater systems
• Applications requiring accurate measurement of chopped waveforms
• Systems utilizing phase-fired control mechanisms

Current Sensors Procurement Notes

Verify the specific ordering suffix to confirm the exact input range and output configuration matches project requirements. Ensure the selected variant complies with necessary regulatory standards such as UL 61010B-1 or CAN/CSA-C22.2 depending on the target market. Confirm that the solid core window dimensions accommodate the conductor size without modification.

Current Sensors Selection Notes

Select this model when high precision is required for complex AC waveforms rather than simple sinusoidal currents. The three-element architecture offers superior performance compared to single-element alternatives in challenging electrical environments. Consider the 25A rating against peak load requirements to ensure adequate headroom. Verify compatibility with existing control system voltage levels before integration.

Current Sensors Part Context

This component belongs to the CR4100 series of True RMS current transducers and transmitters from CR Magnetics Inc. The series is engineered for applications demanding higher accuracy than standard transducers, particularly where waveform distortion is present. The CR4170-25 represents the three-element solid core variant within this lineup, distinguishing itself through enhanced measurement fidelity for industrial control scenarios.

Current Sensors Replacement Considerations

CR4170-20 serves as a direct substitute within the same series offering a 20A input range instead of 25A. Other models in the CR4100 family may provide different element counts or mounting options but require verification of technical specifications to ensure functional equivalence.