The CR4120S is a high performance current sensor from CR Magnetics, an essential solution for engineers seeking accuracy and reliability in industrial and commercial current monitoring applications.Designed to meet the needs of dynamic load measurement, PLC integration and electrical system protection, the CR4120S combines advanced features, rugged design and superior accuracy The CR4120S is designed to meet the needs of dynamic load measurement, PLC integration and electrical system protection by combining advanced features, rugged design and superior accuracy in a compact, easy-to-install package.
Featuring a standard 4-20mA DC output and powered by a 24V DC supply, the CR4120S is ideal for applications requiring real-time, high-accuracy current monitoring. Its ability to provide accurate measurements over a wide range of 0A to 100A ensures compatibility with a wide range of electrical systems, making it an indispensable component for energy management and automation.
One of the outstanding features of the CR4120S is its high accuracy and stability. With a base accuracy of ±0.5% and thermal drift as low as 500 PPM/°C, it provides consistent performance even under fluctuating environmental conditions. The sensor also offers excellent isolation with an insulation voltage rating of 2500 VDC, ensuring safe and reliable operation in high-voltage environments. In addition, the CR4120S supports a frequency range of 40Hz to 400Hz, making it suitable for both standard and high-frequency systems.
Designed to withstand challenging conditions, the CR4120S’ rugged design supports operation in temperatures from 0°C to +60°C and humidity levels from 5% to 95% without condensation. Its response time of less than 250ms ensures fast current detection, which is critical for dynamic and rapidly changing loads. The sensor’s compact design allows for seamless mounting on a 35mm DIN rail or panel mount, ensuring easy integration into new or existing systems.
The CR4120S is ideal for a wide range of applications due to its high performance and versatility. It integrates directly with PLCs to ensure streamlined control in industrial automation. The sensor can also efficiently monitor rapidly changing motor loads, heater systems and sine wave drives, making it an excellent choice for engineers designing systems that require high accuracy and reliability.
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