CASR Board Mount Current Transducers

LEM CASR Board Mount Current Transducers are specifically designed for accurate electronic measurement of DC, AC, and pulsed currents, covering a range from 1.5A to 75A RMS. These sensors provide galvanic isolation between the primary and secondary circuits, ensuring enhanced safety and performance. Built with compact Fluxgate-based technology, the LEM CASR current sensors operate with a single +5V supply and exhibit minimal offset and gain drift. The CASR sensors also offer an extended measuring range up to three times the nominal primary current (Ipn), making them highly versatile. Additionally, these transducers are designed for direct PCB mounting, featuring three primary pins for efficient handling of small current measurements from 2A to 50A RMS.

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LEM Board Mount Current Sensors Current transducer CASR series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit.
Datasheet
3,014May Stock
Min.: 1
Mult.: 1

15 A Closed Loop 300 ps 0.8 % 300 kHz 5 V Digital, Analog
LEM Board Mount Current Sensors Current transducer CASR series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit.
Datasheet
257May Stock
400Inaasahan 9/7/2026
Min.: 1
Mult.: 1

25 A Closed Loop 300 ps 0.8 % 300 kHz 5 V Digital, Analog
LEM Board Mount Current Sensors Current transducer CASR series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit.
Datasheet
536May Stock
Min.: 1
Mult.: 1

6 A Closed Loop 300 ps 0.8 % 300 kHz 5 V Digital, Analog
LEM Board Mount Current Sensors Current transducer CASR series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit.
Datasheet
179May Stock
400Inaasahan 8/11/2026
Min.: 1
Mult.: 1

50 A Closed Loop 300 ps 0.8 % 300 kHz 5 V Digital, Analog
LEM Board Mount Current Sensors
Datasheet
180May Stock
Min.: 1
Mult.: 1
6 A Closed Loop 300 ps 0.8 % 300 kHz 5 V Digital, Analog
LEM Board Mount Current Sensors
Datasheet
Hindi Naka-stock
Min.: 200
Mult.: 200
15 A Closed Loop 300 ps 0.8 % 300 kHz 5 V Digital, Analog
LEM Board Mount Current Sensors
Datasheet
Hindi Naka-stock
Min.: 200
Mult.: 200
15 A Closed Loop 300 ps 0.8 % 300 kHz 5 V Digital, Analog
LEM Board Mount Current Sensors
Datasheet
Hindi Naka-stock
Min.: 200
Mult.: 200
25 A Closed Loop 300 ps 0.8 % 300 kHz 5 V Digital, Analog
LEM Board Mount Current Sensors
Datasheet
Hindi Naka-stock
Min.: 200
Mult.: 200
25 A Closed Loop 300 ps 0.8 % 300 kHz 5 V Digital, Analog
LEM Board Mount Current Sensors
Datasheet
Hindi Naka-stock
Min.: 200
Mult.: 200
50 A Closed Loop 300 ps 0.8 % 300 kHz 5 V Digital, Analog