LEM LA Series Closed Loop Current Sensor, 0 → 100A, 25mArms output current

Enrgtech Part No: ET13903270
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Manufacturer Part No:
LA 55P/SP1
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Manufacturer: LEM

LA-55P-SP1 LEM LA Series Closed Loop Current Sensor, 0 → 100A, 25mArms output current

Product Information

Current Ratio:

100:1

Output Current:

25 mArms

Mounting Type:

PCB Mount

Series:

Overall Width:

36.5mm

Bore Size:

12.7 x 7mm

Maximum Temperature:

+85°C

Sensor Technology:

Closed Loop

Minimum Temperature:

-40°C

Overall Depth:

14.45mm

Overall Height:

27.6mm

Input Current:

100A

Checking for live stock

The LEM LA 55‑P/SP1 is a closed‑loop Hall‑effect current transducer designed for the precision measurement of AC, DC, and pulsed currents, with galvanic isolation between the primary and secondary circuits. It offers a measuring range up to ±100 A (nominal 50 A) and a secondary output of 25 mA rms, making it suitable for embedded monitoring in industrial power systems. With a compact 12.7 × 7 mm aperture for the primary conductor and PCB‑mount form factor, this device supports high accuracy, fast response and robust performance across demanding applications.

Special Features and Benefits of the LEM Closed Loop Current Sensor

Closed‑loop Hall‑effect technology delivers accurate measurements with low offset drift.
Capability to handle up to ±100 A primary current while maintaining a 25 mA secondary output.
PCB‑mountable plastic housing (UL 94‑V0) with compact footprint and single‑pass primary conductor hole.
High isolation rating (2.5 kV AC 1 min, impulse 4.5 kV) and operating temperature range of –40 °C to +85 °C.
Suitable for industrial, power‑supply, servo‑drive, welding and renewable‑energy systems.

Designed for Precision Monitoring

The LA 55‑P/SP1 balances high‑performance measurement with compact design for integration into modern electronic systems. Its closed‑loop configuration ensures stable output even under dynamic load changes, and the wide bandwidth supports monitoring of fast‐changing currents in drives or switch‑mode power supplies.

Application Potential of the Sensor

Current sensing in variable‑speed drives, servo controllers and motor inverters.
Measurement of DC, AC or pulsed current in UPS and SMPS systems.
Power monitoring in welding equipment or industrial battery systems.
Embedded current measurement in renewable‑energy inverters or power‑converter modules.
Compact PCB‑mounted sensor for OEM equipment.

Datasheet(Technical Reference)

Catalogue(Technical Reference)

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FAQs

Yes. We ship LA 55P/SP1 Internationally to many countries around the world.

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We accept all major payment methods for all products including ET13903270. Please check your shopping cart at the time of order.

We use our internationally recognized delivery partners UPS/DHL. Collection of ET13903270 can also be arranged for the customer by international shipments through contacting our customer support team. Additionally, you can also search"LEM" products on our website by using Enrgtech's Unique Manufacturing Part Number ET13903270.

You can order LEM brand products with LA 55P/SP1 directly through our website or call us at +44 (0) 3303 800 157 or email our support team at sales@enrgtech.co.uk.

Yes. Our products in Current Transformers category are shipped in lowest possible time.

You will get a confirmation email regarding your order of LEM LA Series Closed Loop Current Sensor, 0 → 100A, 25mArms output current. You can also check on our website or by contacting our customer support team for further order details on LEM LA Series Closed Loop Current Sensor, 0 → 100A, 25mArms output current.