CR4640-50

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Current transducers, sometimes referred to as current transceivers, measure input and output electrical current levels and produce a signal that may be used in a control loop. CR4640-50 is a monitor current/voltage transducer manufactured by Crydom, a subsidiary company of Crane Aerospace & Electronics. It is designed to monitor range input in both DC and low voltage AC circuits. The device is able to measure AC/DC currents up to 4 amps with an accuracy of 0.5%.

CR4640-50 is a compact and robust monitor that provides accurate and reliable measurements in a wide range of industrial and home applications. It is ideal for systems that require precise current levels, such as solar inverters, power supply units, Uninterruptible Power Supplies (UPS), industrial machines, and electric vehicles. It is also suitable for various types of applications, including over- and under-current protection, over-voltage protection, low-light level warning, temperature/humidity monitoring, ground fault/earth leakage detection, and more.

The device is constructed with an internal buffer-amplifier and transducer elements that measure the level of the input current. After conversion to a voltage signal, the instrumentation amplifier amplifies the signal and delivers a precise linear output voltage. The linearity of the voltage output is 0.1% and the voltage output can be scaled from 0 to 5 Volts. The transducer includes an output enable pin which is used to activate the output and enable the device.

The CR4640-50 has a wide operating temperature range from -10°C to +70°C and allows for fast and reliable measurements. It is also equipped with a relay output, which can be used for alarm, shutdown, or other control functions. This current/voltage transducer is certified for UL/cUL and CE compliance, providing added assurance and quality.

CR4640-50 has a variety of applications in industrial and home environments. It can be used for precise current measurements in motor control panels, UPS systems, solar photovoltaic converters, medical equipment, and motor drives. It is also suitable for ground fault detection applications, such as automotive or ground fault interrupter (GFI) outlets, which can help protect electronic equipment from hazardous currents.

This monitor current/voltage transducer is a reliable and cost-effective solution for any application that requires precise current measurement. Its features and capabilities make it a valuable tool for those in the industrial and home markets, who require accuracy and reliable operation in their systems.

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