New product.
LEM CASR 25-NP/SP3 current transducer, a precision electronic sensor designed to measure AC, DC and pulsed currents.
It uses closed-loop Fluxgate technology, providing high measurement accuracy, stability and galvanic isolation between the primary and secondary circuits.
The device is designed for direct mounting on a printed circuit board (PCB) and operates with a single 5 V DC power supply. It features an analogue voltage output and an integrated or external voltage reference.
Suitable for industrial applications, power conversion systems, photovoltaic inverters, power supplies and electronic control systems.
āļø Main Features
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Brand: LEM
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Model: CASR 25-NP/SP3
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Visible code: 717105
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Technology: Closed-loop Fluxgate
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Rated primary current: 25 A RMS
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Measurement range: Ā±85 A
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Measurable current types: AC / DC / pulsed
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Power supply: 5 V DC
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Output signal: Analogue voltage
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Zero-current output voltage: Approximately 2.5 V
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Nominal sensitivity: 25 mV/A
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Specified accuracy: 0.8%
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Operating temperature: -40 Ā°C to +105 Ā°C
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Mounting: PCB
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Isolation: Galvanic isolation between primary and secondary circuits
š§ Main Functions
- Accurate measurement of DC and AC current.
- Detection of pulsed currents.
- Conversion of the measured current into an analogue voltage signal.
- Galvanic isolation between the power circuit and the measurement circuit.
- Current monitoring in electronic and industrial systems.
š Applications
According to LEM's official documentation, this sensor is suitable for:
- Photovoltaic inverters and renewable energy systems.
- AC motor drives and servo drives.
- Static converters for DC motors.
- Uninterruptible power supplies (UPS).
- Switching-mode power supplies (SMPS).
- Power supplies for welding applications.
- Electronic power conversion and control systems.
ā Advantages
- High measurement accuracy.
- Closed-loop Fluxgate technology.
- Low temperature drift of offset and gain.
- Good immunity to rapid voltage changes (dv/dt).
- Single 5 V power supply.
- Compact dimensions for PCB mounting.
- Galvanic isolation between primary and secondary circuits.
š¦ Product Condition
New product.
Shows normal cosmetic signs of previous installation and handling.
Terminals are present and visible in the photographs.
Operation has not been tested.
š Sale Includes
- 1 LEM CASR 25-NP/SP3 current transducer.
Sold exactly as shown in the photographs.
Summary
LEM CASR 25-NP/SP3 current transducer rated at 25 A RMS, featuring closed-loop Fluxgate technology, a 5 V DC power supply and an analogue voltage output. Compact PCB-mount sensor suitable for photovoltaic inverters, power converters, power supplies and industrial applications.
