LV25-200/SP1,LV 25-200/SP1

‌LV25-200/SP1 Product Description: High-Precision, High-Reliability Industrial Voltage Sensing Solution

‌

LV25-200/SP1 ‌Key Features‌
Closed-loop Hall effect technology enables complete electrical isolation between the primary high-voltage and secondary low-voltage circuits, ensuring operational safety and system stability;
High linearity measurement with error below 0.9% accurately reconstructs AC, DC, and pulsed voltage signals within 200 V, meeting demanding control requirements;
Wide temperature range operation sustains performance from -30°C to +70°C, enabling long-term deployment in extreme industrial environments;
Exceptional noise immunity leverages dual-core structure and dynamic compensation algorithms to effectively suppress common-mode noise and external electromagnetic interference;
Ultra-fast dynamic response under 40 microseconds captures voltage transients, surges, and high-frequency fluctuations in real time, enhancing system protection sensitivity;
Compact modular design supports both PCB surface mounting and panel mounting, seamlessly integrating into control modules and power distribution units.

LV25-200/SP1 ‌Technical Specifications‌

‌Rated Input Voltage‌: 200 V (DC/AC/Pulse)

‌Secondary Rated Output Current‌: 25 mA

‌Supply Voltage Range‌: 12 V to 15 V DC (bipolar)

‌Bandwidth‌: DC to 100 kHz

‌Isolation Voltage‌: 2.5 kV AC (compliant with EN50178 industrial safety standard)

‌Temperature Drift‌: ±0.06 mA/°C (within 0–25°C range)

‌Operating Temperature Range‌: -30°C to +70°C

‌Package Format‌: Compact PCB/panel-mount structure, space-saving design optimized for dense board layouts

LV25-200/SP1 ‌Applications‌
Deeply integrated into industrial automation and power electronics systems:

‌Inverters and Servo Drives‌: Real-time DC bus voltage monitoring ensures smooth motor startup, shutdown, and dynamic response;

‌Renewable Energy Inverters‌: High-precision DC voltage acquisition in photovoltaic and energy storage systems optimizes MPPT algorithms and grid-tie control;

‌Uninterruptible Power Supplies (UPS)‌: Accurate feedback of input/output voltage enables intelligent bypass switching and battery charge/discharge protection;

‌Welding Power Supplies‌: Delivers stable and reliable voltage feedback under high-current and strong electromagnetic interference;

‌Rail Transit Traction Systems‌: Used in auxiliary converters, braking resistor control, and onboard battery management systems;

‌Battery Management Systems (BMS)‌: Monitors medium-voltage battery packs to enhance safety and improve lifespan prediction accuracy.

‌Why Choose LV25-200/SP1 This Model‌
As a global technology leader in current and voltage sensing, LEM brings over four decades of engineering expertise to the LV25-200/SP1, embedding it with superior industrial DNA;
Its closed-loop architecture delivers lower temperature drift and higher long-term stability compared to competing solutions, factory-calibrated and maintenance-free in operation;
Certified to UL94-V0 flammability standard with reinforced 2.5 kV isolation, it meets compliance requirements in medical, energy, and rail applications with the highest safety ratings;
Seamlessly interfaces with mainstream PLCs, DSPs, MCUs, and industrial bus systems, significantly reducing development time and integration complexity;