LF2005-S/SP10，LF 2005-S/SP10

‌LF2005-S/SP10 Product Description — Precision Current Sensing for Industrial Applications

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LF2005-S/SP10 ‌Key Features‌
‌Closed-loop Hall Effect Technology‌: Leveraging LEM’s proprietary closed-loop Hall architecture, it delivers exceptional accuracy of ±0.2%, maintaining stable performance even in high-electromagnetic-noise environments.
‌Wide Current Range‌: Designed for precise measurement of DC, AC, and pulsed currents from 100 A to 2000 A, ideal for applications ranging from fine control to high-power loads.
‌Dual Power Supply Compatibility‌: Operates on a wide supply voltage range of ±12 V to ±24 V, eliminating the need for external voltage regulation in diverse industrial power systems.
‌Flexible Mounting Design‌: Panel-mount configuration supports both vertical and horizontal installation, optimized for compact control cabinets and space-constrained setups.
‌Industrial-Grade Reliability‌: Rated for operation from -10°C to 85°C with IP1 protection, resistant to dust, humidity, and vibration — engineered for continuous 24/7 operation.
‌Five-Year Warranty‌: Backed by LEM’s global five-year warranty, reflecting unwavering confidence in long-term performance and durability.

LF2005-S/SP10 ‌Technical Specifications‌

‌Measurement Range‌: 100 A – 2000 A

‌Output Type‌: Current output (typical: 50 mA)

‌Supply Voltage‌: ±12 V to ±24 V (dual supply)

‌Accuracy‌: ±0.2%

‌Response Time‌: <1 µs

‌Isolation Voltage‌: >5 kV RMS

‌Mounting Method‌: Panel mount with terminal block connection

‌Connector Options‌: Compatible with Molex, JST, and other industrial-standard connectors

‌Certifications‌: Compliant with EN 50178, CE, RoHS

‌Weight‌: Approximately 100 g

‌Enclosure Material‌: Metal housing for enhanced heat dissipation and EMI shielding

LF2005-S/SP10 ‌Applications‌
The LF2005-S/SP10 is widely deployed in industrial environments demanding high-precision current monitoring and system stability:

‌Industrial Automation‌: Current feedback control in variable frequency drives, servo systems, switch-mode power supplies, and UPS units

‌Renewable Energy Systems‌: Energy monitoring and protection in photovoltaic inverters, wind turbine pitch control, and battery management systems (BMS)

‌Rail Transportation‌: Traction converters, regenerative braking systems, circuit breakers, and auxiliary power monitoring in metro and locomotive systems

‌Welding Equipment‌: Dynamic current feedback and thermal management in high-power arc welding machines

‌Electric Vehicles & Charging Infrastructure‌: Safe current detection in DC fast chargers and onboard DC-DC converters

‌Why Choose LF2005-S/SP10?‌
Selecting the LF2005-S/SP10 means choosing a ‌long-term, maintenance-free, high-return‌ solution for industrial current sensing.

‌Zero Calibration Required‌: The closed-loop design automatically compensates for temperature drift and non-linearity — factory-calibrated, lifetime maintenance-free.

‌Superior Noise Immunity‌: Fully enclosed magnetic circuit effectively rejects external magnetic interference, ensuring clean signal output even in dense VFD environments.

‌Seamless System Integration‌: Standard current output directly interfaces with PLCs, data acquisition cards, and industrial instruments without additional signal conditioning.

‌Global Support Network‌: As a global leader in current sensing, LEM maintains a technical support center in China — customers in Jining, Shandong, benefit from rapid response and local spare parts availability.

‌Clear Total Cost of Ownership (TCO) Advantage‌: The five-year warranty reduces downtime costs; high accuracy minimizes energy waste and false tripping, delivering superior ROI compared to open-loop alternatives.