The LEM LF305-S/SP11 is a high-precision current transducer designed to measure and monitor electrical currents in industrial and power applications. Using advanced open-loop Hall effect technology, it provides accurate and reliable current sensing for both AC and DC systems. Its LF305-S/SP11 compact design, excellent linearity, and robust performance make it an essential component in modern electrical systems.

Primary Current Measurement Range: ±300 A

Nominal Current: 300 A

Overload Capacity: Up to 450 A

Accuracy: ≤ 1% of nominal value

Linearity: ≤ 0.5%

Response Time: ≤ 3 µs

Frequency Bandwidth: DC to 50 kHz

Supply Voltage: ±15V DC (±5%)

Output Signal: Proportional to measured current (voltage output)

Operating Temperature Range: -40°C to +85°C

Insulation Voltage: 2.5 kV RMS for 1 minute

Power Consumption: ≤ 20 mA

Features of LEM LF305-S/SP11

1. High Accuracy and Linearity

The LF305-S/SP11 transducer provides precise current measurements with minimal error, ensuring optimal performance in critical applications.

2. Fast Response Time

With a response time of less than 3 microseconds, the LF305-S/SP11 is capable of detecting rapid current changes, making it suitable for dynamic systems.

3. Robust Electrical Insulation

The LF305-S/SP11 device features a high insulation voltage rating (2.5 kV RMS), ensuring safety and reliability in high-voltage applications.

4. Wide Frequency Range

Its LF305-S/SP11 ability to operate across DC and AC frequencies up to 50 kHz provides versatility for various industrial needs.

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