LTC600-TF/SP18 Closed Loop Hall Effect Current Transducer

LTC600-TF/SP18 Overview

The LTC600-TF/SP18 is a high-performance closed loop Hall effect current transducer from LEM, the world leader in electrical measurement. Part of the LTC600-1000 series, it is designed for accurate measurement of DC, AC, and pulsed currents in industrial and automotive applications. Headquartered in Switzerland, LEM sets the industry benchmark with products offering high precision, high reliability, and excellent long-term stability.

Using closed loop Hall effect technology, the LTC600-TF/SP18 delivers superior linearity, lower temperature drift, and better immunity to external interference compared to open loop solutions.

LTC600-TF/SP18 Key Features

✓ Ultra-high accuracy for critical applications
Accuracy up to ±0.6% (typical) and linearity better than ±0.1%. Whether in aerospace, rail transit, or other demanding current monitoring scenarios, the LTC600-TF/SP18 provides precise, reliable real-time current data, enabling engineers to achieve fine-grained power management.

✓ Automotive-grade reliability
Qualified to AEC-Q100, the standard for automotive electronics reliability. It maintains stable performance under extreme temperatures and high vibration. Automotive-grade certification means this transducer has passed the most stringent reliability tests, ensuring robust operation of your equipment.

✓ High safety with galvanic isolation
Galvanic isolation with a test voltage of 13.4 kV (RMS) / 50 Hz / 1 min, meeting industrial safety standards and effectively protecting downstream circuits.

✓ Easy installation, broad compatibility
Modular design supports panel mounting with a variety of mounting feet and busbar options – choose the configuration that best fits your application. Secondary side connections offer two fixing methods: 4xM5 screw or 4xFaston (6.3x0.8mm), compatible with common wiring standards.

✓ Wide operating temperature range
Operates from -40°C to +85°C, delivering consistent performance in both severe cold and intense heat. Temperature compensation technology ensures low offset drift over the entire temperature range.

LTC600-TF/SP18 Key Specifications

LTC600-TF/SP18 Applications

Thanks to its outstanding performance, the LTC600-TF/SP18 is widely used in:

Rail Transportation
Traction converters, main-auxiliary converters, metro station equipment, circuit breakers, battery chargers – compliant with EN 50155 railway standard.

Automotive Electronics
Brake-by-wire (BBW), battery management systems (BMS), electronic stability program (ESP), anti-lock braking system (ABS), traction control system (TCS), powertrain, charging piles, on-board chargers (OBC), etc.

Renewable Energy & Energy Storage
Solar inverters, wind converters, photovoltaic inverters, battery packs, energy storage PCS, fuel cell test systems, etc.

Industrial Power
Uninterruptible power supplies (UPS), switch-mode power supplies (SMPS), variable frequency drives, servo motor drives, welding power supplies.

Test & Measurement
Battery test systems, power semiconductor test, general-purpose test power supplies.

Aerospace
Real-time current monitoring in power systems, ±0.5% high accuracy helping to improve system efficiency.

Why Choose LTC600-TF/SP18?

Brand reliability – LEM is the global leader in electrical transducers, and its products have become the de facto standard in many industries. Manufactured and developed in Switzerland, quality is guaranteed.

Outstanding performance – Closed loop Hall effect technology provides excellent linearity, high accuracy, and wide frequency response (DC to 100 kHz), covering the needs of most power electronics applications.

Safety and robustness – AEC-Q100 qualification, UL94-V0 flammability rating, and 13.4 kV isolation voltage – three layers of safety for peace of mind.

Design flexibility – Modular design with multiple mounting options and connection choices. Supports horizontal or vertical mounting; mounting feet and busbars can be selected as needed.

Low maintenance cost – Non-intrusive installation without cutting the circuit, greatly reducing system downtime and maintenance costs.