LES Series
Closed‑loop Hall effect sensors delivering Fluxgate‑level precision, without the Fluxgate added cost
LES - Current Sensors
The LES Series current sensors are designed for accurate electronic measurement of small DC, AC, and pulsed currents, typically ranging from 6A to 50A. Optimized for industrial environments, LES sensors integrate the primary conductor directly into the package, simplifying system design while maintaining reliable galvanic isolation.
Thanks to their low offset drift and stable behavior over a wide operating temperature range from -40 °C to +105 °C, LES sensors deliver consistent performance in compact power‑electronics applications.
Based on closed‑loop Hall‑effect technology, the LES Series provides a cost‑effective alternative to Fluxgate‑based solutions while preserving high measurement accuracy.
LES – Features and benefits
Main characteristics
- Closed loop multi-range current transducer
- Voltage output
- Unipolar supply voltage
- Compact design for PCB mounting
- Cost attractive
- PCB mounting in various footprints (3 or 4 primary pins with various layouts)
- With integrated primary conductors
- Compact design
- High overall accuracy at +105°C up to 2%
Benefits
- Very low offset drift
- Very good dv/dt immunity
- Fast response time <0.4 µs
- CAS footprint compatible
Typical applications
LES products are specifically designed for industrial applications, serving diverse purposes such as:
- AC variable speed and servo motor drives
- Static converters for DC motor drives
- Battery supplied applications
- Uninterruptible Power Supplies (UPS)
- Switched Mode Power Supplies (SMPS)
- Power supplies for welding applications
- Solar inverters
LEM LES – Download & Technical Characteristic
LES Sensors – ASK FOR SAMPLES / QUOTATIONS
Looking to receive samples or a quotation? Please click on the contact button below and provide us with the information you need on this product series. Our sales team will get back to you shortly.