The CR7310, a high performance current monitoring relay from CR Magnetics, is a critical solution for engineers looking to achieve accuracy and reliability in industrial current monitoring and protection systems.Designed to meet the needs of motor control, fault detection, and phase monitoring, the CR7310 combines advanced functionality, robust durability, and flexible configuration options in a compact, easy-to-integrate package.
With a monitoring range of 10mA AC to 100A AC, the CR7310 excels at real-time detection of overcurrent, undercurrent, and load faults. Built-in relays support continuous current loads up to 20A, allowing seamless integration with a variety of electrical systems. The device’s ability to electrically isolate circuits enhances operational safety, while optional external DC current sensing adds flexibility for a variety of applications.
One of the outstanding features of the CR7310 is its customisable trip and reset delay settings. With a maximum trip delay of 100ms, engineers can customise the system response to meet specific operational requirements. The relay also includes a flashing LED status indicator that provides immediate visual feedback of operating conditions, simplifying diagnostics and maintenance. In addition, the fail-safe design prevents deadband oscillation, ensuring reliable operation of critical systems.
Designed for industrial environments, the CR7310 operates over a frequency range of 60Hz to 400Hz and has been mechanically operated up to 10 million times at full load. Its rugged design is designed to withstand harsh conditions, while quick-connect terminals facilitate fast and efficient installation. The unit is also compatible with external current transformers, which enhances the monitoring capabilities of complex systems.
The CR7310 offers advanced monitoring features and a rugged design for a variety of applications. It enables precise motor control and protection, ensuring that system components operate within safe parameters. The unit is also highly effective in detecting electrical load faults and phase imbalances, and provides reliable feedback for bubble detection systems in electric pumps.

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