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LEM HO Series Multi-Range Current Transformer 40A 4.5V, 5.5V, 1.75mm Bore HO 40-NP-0100

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LEM HO Series Multi-Range Current Transformer 40A 4.5V, 5.5V, 1.75mm Bore HO 40-NP-0100

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Category Current Transformers Brand LEM Condition New

Specifications

Country of Origin	India
Brand	LEM
Length	27.43mm
Model	HO 40-NP-0100
Depth	20.13mm
Gross Weight	31g
Width	41.56mm
Mount Type	PCB
Series	HO
Maximum Operating Temperature	105°C
Minimum Operating Temperature	-40°C
Bore Diameter	1.75mm
Terminal type	Wire
Supply Voltage	4.5, 5.5V
Primary Current	40A
Minimum Operating Frequency	350kHz

Key Features

Measures DC, AC, and pulsed currents with galvanic isolation.
Features an open loop design with voltage output and low power consumption.
Compact size with 1.75mm bore diameter for PCB mounting.
Operates within a wide temperature range from -40°C to 105°C.
Complies with IEC 61010-1, UL 508, IEC 61326-1, EN 50178, and CE standards.
Supply voltage options of 4.5V and 5.5V for versatile usage.
Minimum operating frequency of 350kHz ensures accurate measurements.
Calibrated at the factory for immediate deployment.

Product Description

LEM HO 40-NP-0100 is a multi-range current transformer designed for the electronic measurement of current in industrial, laboratory, HVAC, and manufacturing applications. It supports DC, AC, and pulsed currents while providing galvanic isolation between primary and secondary circuits, ensuring safety and measurement accuracy.

This open loop current transducer offers voltage output and features low power consumption. Its fixed offset and sensitivity contribute to dependable performance in a compact form factor suitable for PCB mounting. With a bore diameter of 1.75mm, it optimizes space savings in dense electronic assemblies.

The HO-NP series operates reliably across a broad temperature range of -40°C to 105°C, conforming to recognized international standards including IEC 61010-1:2010, UL 508:2010, IEC 61326-1:2012, EN 50178:1997, and CE marking, underscoring its adherence to quality and safety requirements.

Designed for industrial environments, its minimum operating frequency of 350kHz and supply voltages of 4.5V and 5.5V allow for versatile and precise current measurement. The device's high immunity to external interference enhances measurement stability under challenging conditions.

Measures DC, AC, and pulsed currents with galvanic separation. Voltage output enhances signal processing capabilities. Low power consumption reduces energy usage. Compact PCB mount design with 1.75mm bore for easy integration.

Wide operating temperature range from -40°C to 105°C. Compliance with multiple international safety and EMC standards. Factory calibrated to ensure precision and reliability. Designed for industrial control, automation, and process monitoring applications.

High external interference immunity ensures stable measurements in industrial environments.

This current transformer is ideal for applications in industrial automation systems, process control, power monitoring, and electrical measurement setups. It offers a reliable solution for engineers and system integrators requiring accurate, isolated current sensing components.

Explore more from LEM’s HO Series Current Transformers category for robust and precise current measurement devices at EnvMart.