CR9550-50-M

Current Sensors Overview

The CR9550-50-M is a bidirectional AC current sensor manufactured by CR Magnetics Inc. It features a split-core transformer design with integrated signal conditioning, eliminating the need for an external power supply as it is self-powered. The device supports a primary current rating of 50A and offers high accuracy of ±0.5%. Key electrical specifications include a response time of 100ms for turn-on and 250ms for turn-off. The operating temperature range spans from -30°C to 60°C. The sensor utilizes a ring core configuration with wire leads for connection.

Current Sensors Feature Summary

• Self-powered operation utilizing split-core transformer technology
• Integrated signal conditioning for direct output application
• Bidirectional measurement capability for AC current monitoring

Current Sensors Applications

• AC current monitoring in industrial control systems
• Power quality analysis equipment
• Energy metering devices requiring bidirectional sensing

Current Sensors Procurement Notes

Verify that the specific suffix '-M' corresponds to the module variant with wire leads rather than other packaging options. Confirm that the self-powered requirement aligns with the system's load constraints. Ensure the 50A rating covers peak transient currents expected in the target application environment.

Current Sensors Selection Notes

Select this component when bidirectional AC current measurement is required without external excitation power. The split-core design facilitates installation on existing busbars or cables without disconnection. Consider the ±0.5% accuracy and temperature range suitability for the specific operational environment.

Current Sensors Part Context

This model belongs to the CR9550 series of current sensors from CR Magnetics Inc. It shares functional similarities with variants like CR9550-20 but differs in current rating and package configuration. The series is characterized by transformer-based sensing with built-in conditioning circuits.

Current Sensors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuitry before considering alternative models.