LF2005-T/SP20，LF 2005-T/SP20

‌LF2005-T/SP20 Product Description — Precision Current Sensing for Industrial Excellence

‌

LF2005-T/SP20 ‌Key Features‌
‌Closed-Loop Hall Effect Technology‌: Leveraging LEM’s proprietary closed-loop magnetic compensation architecture, this sensor delivers ±0.2% measurement accuracy even under high electromagnetic interference, ensuring signal integrity in noisy industrial environments.
‌Wide Current Range‌: Accurately measures DC, AC, and pulsed currents from 100 A to 2000 A, making it ideal for applications ranging from fine control systems to high-power industrial loads.
‌Dual-Supply Compatibility‌: Operates reliably on ±12 V to ±24 V power rails, eliminating the need for external voltage regulation and simplifying integration into diverse industrial power architectures.
‌Compact Chassis Mount Design‌: Features a space-saving panel-mount configuration with optional vertical or horizontal orientation, perfectly suited for dense control cabinets and constrained installation spaces.
‌Industrial-Grade Durability‌: Rated for operation from -10°C to 85°C with IP1 protection, resistant to dust, humidity, and vibration — engineered for continuous 24/7 operation in harsh conditions.
‌Five-Year Global Warranty‌: Backed by LEM’s industry-leading five-year warranty, reflecting confidence in long-term reliability and performance consistency.

LF2005-T/SP20 ‌Technical Specifications‌

‌Measurement Range‌: 100 A – 2000 A (DC, AC, pulsed)

‌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 Type‌: Chassis mount, terminal block connection

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

‌Compliance‌: EN 50178, CE, RoHS certified

‌Weight‌: Approximately 100 g

‌Housing‌: Metallic shielded enclosure for enhanced EMI suppression and thermal dissipation

LF2005-T/SP20 ‌Applications‌
The LF2005-T/SP20 is deployed in mission-critical systems demanding precision, stability, and long-term reliability:

‌Industrial Automation‌: Current feedback in variable frequency drives (VFDs), servo systems, switch-mode power supplies (SMPS), and uninterruptible power supplies (UPS)

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

‌Rail Transportation‌: Traction converter monitoring, regenerative braking systems, and auxiliary power unit diagnostics in metro and locomotive applications

‌Welding Equipment‌: Dynamic current regulation and thermal management in high-power arc welding systems

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

‌Why Choose LF2005-T/SP20?‌
Selecting the LF2005-T/SP20 means investing in a sensor that reduces total cost of ownership while maximizing system uptime.

‌Zero Maintenance Design‌: Automatic zero-point and linearity compensation eliminate the need for field calibration — factory-calibrated for life.

‌Superior EMI Immunity‌: Fully enclosed magnetic circuit minimizes interference from nearby VFDs and switching devices, ensuring clean output signals.

‌Plug-and-Play Integration‌: Standard 50 mA current output connects directly to PLCs, data loggers, and industrial controllers without additional signal conditioning.

‌Local Support in Jining, Shandong‌: LEM’s China technical center provides rapid spare parts delivery and on-site engineering support, minimizing downtime for regional customers.

‌Proven ROI‌: Five-year warranty, no recalibration, and reduced energy loss from measurement errors deliver measurable savings over open-loop alternatives.