The LEM LA55-P/SP50 is a current transducer utilized for the electronic measurement of currents in a variety of applications. It operates by converting the measured current into an electrically isolated signal proportional to the primary current. The transducer employs the Hall effect principle to achieve high accuracy and reliability in demanding industrial environments.

Applications:

• AC variable speed drives
• Static converters for DC motor drives
• Battery supplied applications
• Uninterruptible Power Supplies (UPS)
• Switched Mode Power Supplies (SMPS)
• Power meters
• Welding equipment

Features:

• Closed-loop (compensated) current transducer using the Hall effect
• Galvanic isolation between primary and secondary circuits
• Low temperature drift
• High accuracy
• Compact design
• Easy mounting

Benefits:

• Precise current measurement: Provides accurate and dependable current measurement, enabling efficient control and monitoring of electrical systems.
• Enhanced safety: Features galvanic isolation between primary and secondary circuits, protecting sensitive electronic equipment from high voltages.
• Stable performance: Delivers stable and reliable performance across a wide range of operating temperatures, making it suitable for challenging industrial settings.
• Simplified integration: Offers a compact design for easy integration into existing setups.
• Cost-effective solution: Presents a cost-effective means of current measurement for a multitude of applications.

Additional Details:

The LA55-P/SP50 can measure currents up to 55A, delivering an output signal that is proportional to the measured current. It operates with a supply voltage of ±15V DC. The galvanic isolation provided between the primary conductor and the secondary circuit offers protection against high-voltage transients. The transducer is built with a magnetic core and Hall effect sensor that work in conjunction to provide accurate and linear measurements of the current flowing through the primary conductor.

This current transducer is typically mounted on a panel or chassis using screws or other mounting hardware. Its design ensures easy connection to the primary current conductor and the secondary measurement circuit. The output signal, a small DC current proportional to the measured current, can be easily interfaced with a variety of measurement and control systems. The LA55-P/SP50 adheres to industry safety and performance standards, guaranteeing compliance with regulatory requirements.