CR4395-EH-120-330-B-CD-ELR-I

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Current/voltage monitoring relays are devices used to help protect electrical systems from dangerous voltage spikes or dips. The CR4395-EH-120-330-B-CD-ELR-I is a multivariate current/voltage monitoring relay with a range of features to suit different applications. This article provides an overview of the application fields and working principle of the CR4395-EH-120-330-B-CD-ELR-I.

Application Fields

The CR4395-EH-120-330-B-CD-ELR-I is suitable for a wide range of applications. It is ideal for use in electrical systems where protection from dangerous voltage levels is required, as it can monitor the current and voltage levels of the system, and provide an appropriate response if the voltage levels exceed predetermined threshold values. It is also suitable for systems that require reliable, accurate control, such as those with motor control, power management and instrument control.

The CR4395-EH-120-330-B-CD-ELR-I is designed to be reliable and robust, providing reliable protection in a wide range of conditions. It is also suited to applications which require an energy efficient solution, as it features low power consumption and is capable of providing accurate monitoring and control with minimal energy expenditure.

The CR4395-EH-120-330-B-CD-ELR-I also features a number of safety features, including reverse-polarity protection and surge protection. It is also suitable for installation in a wide range of environments, as it is shock and vibration resistant and has IP-65 rated protection for dust and water resistance.

Working Principle

The CR4395-EH-120-330-B-CD-ELR-I works by monitoring the current and voltage of an electrical system in order to detect any dangerous levels. When a voltage level exceeds the set threshold, it triggers an alarm or an automated response, such as shutting off power. The relay also features adjustable time delays, allowing it to be configured for a wide range of applications.

The CR4395-EH-120-330-B-CD-ELR-I is designed to be very reliable and highly accurate. It features precision voltage measurements with accuracy of 1% of the nominal voltage, and an adjustable response time (from 0.1ms to 10s) so that the system is protected even in cases of rapid voltage changes. The device also features a two-stage output for automatic resetting or tripping, and a fault indication for monitoring purposes.

Some of the other features of the CR4395-EH-120-330-B-CD-ELR-I include an adjustable trip level, current limiting for over-current protection, and adjustable voltage and frequency selection. The device also features a wide operating temperature range of -25℃ to +60℃ so that it can be used in extreme conditions.

Conclusion

The CR4395-EH-120-330-B-CD-ELR-I is a reliable and accurate current/voltage monitoring relay with a range of features designed to provide protection for electrical systems. It can be used in a variety of applications where protection from dangerous voltage levels is required, as well as in applications that require accurate control and monitoring. The device is designed to be robust and reliable, with features such as reverse-polarity protection and adjustable time delays, and is suitable for use in a wide range of environments.

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