LTC600-T/SP10 Closed-Loop Hall Effect Current Sensor

LTC600-T/SP10 Product Overview

The LTC600-T/SP10 is a high-performance closed-loop Hall effect current sensor from LEM (Switzerland), specifically designed for high-precision isolated measurement of DC, AC, and pulsed currents. As a railway-grade model in the LTC600 series, the LTC600-T/SP10 offers outstanding measurement accuracy, excellent linearity, and wide bandwidth, making it an ideal choice for railway traction systems, industrial variable frequency drives, and high-power power supplies.

This sensor features a modular design supporting horizontal or vertical installation. Its compact structure and flexible mounting options meet the diverse requirements of various industrial scenarios. Whether in harsh locomotive operating environments or in critical equipment requiring continuous stable operation, the LTC600-T/SP10 delivers reliable and accurate current measurement.

LTC600-T/SP10 Key Technical Specifications

LTC600-T/SP10 Key Advantages

1. Excellent Measurement Accuracy for Reliable System Operation

The LTC600-T/SP10 achieves an accuracy of ±0.6%. This means more precise current feedback, more stable closed-loop control, and lower system errors, helping your equipment achieve better control precision and operational efficiency.

2. Ultra-Wide Measuring Range for High-Current Scenarios

Rated at 700A with a maximum measuring range of up to 3000A, the sensor confidently handles various sudden overload conditions. From light load to full load, from normal operating currents to surge current impacts, the LTC600-T/SP10 accurately captures them all, providing solid current data support for system protection and control.

3. Closed-Loop Hall Effect Technology for Excellent Anti-Interference

Using closed-loop (compensated) Hall effect technology, the sensor provides galvanic isolation between the primary high-power circuit and the secondary electronic circuit. It effectively suppresses external electromagnetic interference, offering high immunity and stable output even in complex electromagnetic environments.

4. Wide Temperature and Voltage Range for Harsh Environments

With an operating temperature range of -40℃ to 70℃ and a wide supply voltage range of 15~24V DC, the LTC600-T/SP10 operates stably even under extreme temperature conditions, meeting the demands of harsh environments such as rolling stock, outdoor equipment, and industrial sites.

5. Low Temperature Drift and Excellent Long-Term Stability

LEM employs advanced technology and strict production processes with multiple calibrations. The LTC600-T/SP10 features extremely low temperature drift, maintaining consistent measurement accuracy across the entire operating temperature range, reducing the need for frequent recalibration and lowering maintenance costs.

6. Optimized Response Time for Transient Current Capture

The optimized response time allows fast tracking of current changes and timely feedback to the system. The wide bandwidth (0~100kHz) ensures that high-frequency harmonic components are accurately measured – especially important for high-frequency applications like variable frequency drives and switching power supplies.

7. Compact Modular Design for Flexible Installation

The compact structure supports horizontal or vertical modular installation, freely selectable according to equipment space constraints. The panel-mount design offers strong adaptability, requiring no special tools for deployment, significantly reducing equipment integration complexity and time.

LTC600-T/SP10 Main Applications

The high accuracy, wide measuring range, and strong anti-interference capability of the LTC600-T/SP10 make it widely applicable in the following fields:

1. Railway Traction Equipment

Specifically designed for railway applications such as traction locomotives. The highly flexible modular design perfectly adapts to diverse market requirements of different railway systems. Wide temperature range, high insulation withstand voltage, and EMC design meet the stringent requirements of railway standards in different countries.

2. AC Variable Frequency Drives & Servo Motor Drives

Provides accurate current feedback for industrial automation equipment, supporting high-precision closed-loop motor control. Combined with the low zero drift and high linearity of closed-loop Hall technology, it ensures stable drive output under all operating conditions, significantly enhancing product competitiveness.

3. Static Converters for DC Motor Drives

Suitable for current monitoring and control in high-power DC drive systems, meeting the industry's high reliability and precision requirements.

4. Uninterruptible Power Supplies (UPS)

Enables real-time monitoring of critical currents in UPS systems, ensuring power supply security. Thanks to the fast response and wide bandwidth of the LTC600-T/SP10, whether for transient overloads or harmonic distortion, the sensor provides precise feedback signals, helping UPS achieve more accurate output regulation.

5. Switching Power Supplies

Ideal for current measurement in switch-mode power supplies, providing accurate feedback signals.

6. Welding Power Supplies

Meets the high-current, high-dynamic response requirements of welding applications.

LTC600-T/SP10 Typical Industries

✅ Railway Transportation – Traction converters, onboard energy metering

✅ Industrial Automation – Frequency converters, servo drives, CNC machines

✅ Renewable Energy & Energy Storage – Battery management systems (BMS), solar inverters

✅ Power Electronics – UPS, switching power supplies, active harmonic filters

✅ Automotive Electronics – Power management, motor drives

Why Choose the LTC600-T/SP10?