LF2000-S/SP6，LF 2000-S/SP6

‌LF2000-S/SP6 Product Description — The Pure Analog Backbone for High-Reliability Current Monitoring

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LF2000-S/SP6 ‌Core Advantage: Uncompromised Analog Performance, Engineered for Stability‌
The LF2000-S/SP6 is a precision current sensor designed for environments where digital noise, firmware dependencies, and calibration drift are unacceptable. Built on LEM’s proven closed-loop Hall effect technology, it delivers ‌±0.3% accuracy‌ across a wide operating range, with a ‌DC to 100 kHz frequency response‌ and a ‌-40°C to +85°C operational window‌. Unlike digital variants, the SP6 provides a clean, continuous ‌400 mA linear current output‌ — no protocol, no firmware, no latency. This makes it the ideal choice for legacy control systems, safety-critical analog loops, and applications demanding uninterrupted signal integrity under extreme electrical and thermal stress.

LF2000-S/SP6 ‌Key Features: Simplicity Without Sacrifice‌

‌Pure Analog Output‌: Delivers a direct 400 mA current signal — compatible with analog PLCs, DCS, and metering systems without external signal conditioning or ADC conversion.

‌Wide Thermal Range‌: Operates reliably from ‌-40°C to +85°C‌, ensuring consistent performance in unconditioned enclosures, outdoor substations, and high-heat industrial zones.

‌2000 A Rated Current, ±3700 A Measurement Range‌: Handles continuous DC, AC, and pulse currents up to 1.85× rated value, capturing motor inrush, battery surge, and fault transients without saturation.

‌DC to 100 kHz Frequency Response‌: Captures fast-switching waveforms from IGBTs and PWM inverters with minimal phase lag — critical for real-time torque control and protection logic.

‌RoHS & CE Compliant‌: Meets international environmental and safety standards for industrial deployment, ensuring global regulatory acceptance.

‌Molex SP6 Interface‌: Maintains mechanical and electrical compatibility with the LF2000-S family — enables direct field replacement of SP2, SP9, and SP10 variants without reconfiguration.

‌Robust Industrial Enclosure‌: Designed for high-vibration, high-humidity, and EMI-rich environments — no moving parts, no optical components, no failure modes tied to digital electronics.

LF2000-S/SP6 ‌Technical Specifications‌

‌Rated Current‌: 2000 A (RMS)

‌Measurement Range‌: ±3700 A (DC, AC, Pulse)

‌Output Signal‌: 400 mA (linear, current-mode)

‌Supply Voltage‌: ±15 V to ±24 V (dual polarity)

‌Accuracy‌: ±0.3% at 25°C

‌Linearity‌: ±0.1%

‌Frequency Response‌: DC to 100 kHz

‌Operating Temperature‌: -40°C to +85°C

‌Storage Temperature‌: -40°C to +85°C

‌Secondary Resistance‌: 24 Ω (at 70°C), 25 Ω (at 85°C)

‌Magnetic Offset Current‌: ±0.5 mA (over full temperature range)

‌Certifications‌: RoHS, CE

‌Weight‌: 1.5 kg

‌Mounting‌: Panel mount, vertical or horizontal orientation

LF2000-S/SP6 ‌Applications: Where Analog Precision Is Non-Negotiable‌

‌Rail Traction Control Systems‌: Monitors traction motor currents in locomotives and metro systems — delivers stable feedback to analog-based braking and propulsion controllers without interference from onboard digital networks.

‌Grid-Scale Battery Energy Storage (BESS)‌: Tracks charge/discharge currents in large-format lithium-ion and flow battery arrays — enables precise state-of-charge estimation and thermal runaway detection in systems where digital noise could corrupt safety algorithms.

‌High-Power Industrial Drives‌: Provides real-time current feedback for VFDs controlling large compressors, extruders, and rolling mills — maintains control loop stability during voltage sags, harmonics, and load transients.

‌Electrolysis and Metal Processing‌: Ensures consistent current density in aluminum smelting and green hydrogen production — where 24/7 operation and thermal cycling demand sensor stability over digital complexity.

‌Uninterruptible Power Supplies (UPS)‌: Detects DC bus anomalies and inverter output deviations — prevents cascading failures in data centers and telecom facilities during grid transitions, without relying on software-based diagnostics.

‌Why Choose LF2000-S/SP6?‌

‌No Digital Compromises‌: No Ethernet, no Modbus, no firmware — just pure analog signal fidelity, immune to network congestion, cyber threats, or software bugs.

‌Proven Reliability in Harsh Conditions‌: Designed for environments where digital sensors fail due to EMI, temperature extremes, or power fluctuations — the SP6 simply works.

‌Seamless Integration‌: Drop-in replacement for SP2/SP9/SP10 — no re-wiring, no recalibration, no retraining. Reduces downtime and maintenance costs.