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LEM HO Series Multi-Range Current Transformer 25A 3.14V, 3.46V 18mm Bore SP33 HO 25-NSM/SP33-1000
Specifications
| Country of Origin | Bulgaria |
|---|---|
| Brand | LEM |
| Length | 12.5mm |
| Model | SP33 |
| Depth | 12mm |
| Gross Weight | 5g |
| Width | 25mm |
| Mount Type | Panel |
| Series | HO |
| Maximum Operating Temperature | 105°C |
| Minimum Operating Temperature | -40°C |
| Bore Diameter | 18mm |
| Terminal type | Wire |
| Supply Voltage | 3.14, 3.46V |
| Primary Current | 25A |
| Minimum Operating Frequency | 250kHz |
Key Features
- Utilizes the Hall effect measuring principle for accurate current sensing.
- Operates at low power consumption with fixed offset and sensitivity.
- Features a compact design with an 18mm bore diameter for panel mounting.
- High immunity to external interference ensures reliability in harsh industrial environments.
- Factory calibrated for immediate use in industrial automation and process control applications.
- Supports a primary current rating of 25 A and supply voltage of 3.14 V and 3.46 V.
- Operates reliably across a temperature range from -40°C to 105°C.
Product Description
LEM SP33 HO 25-NSM/SP33-1000 Current Transformer is a compact, multi-range transducer designed for accurate DC, AC, and pulsed current measurement with galvanic isolation between primary and secondary circuits. Rated for 25 A primary current, it supports supply voltages of 3.14 V and 3.46 V, making it suitable for precision measurement tasks in industrial automation, process control, electrical systems, and HVAC applications.
The current transformer operates on the Hall effect principle, enabling low power consumption and fixed calibration sensitivity, ensuring stable and repeatable readings. Its panel mount type and small 18mm bore diameter facilitate easy installation within compact electrical cabinets or control panels.
With a temperature operating range from -40°C to 105°C and frequency capacity starting at 250 kHz, the unit is robust for use in demanding environments. The model meets globally recognized certifications including UL 508:2010, IEC 61326-1:2012, IEC 61010-1:2010, EN 50178:1997, and CE, ensuring compliance with international safety and performance standards.
The product dimensions are 25mm width, 12.5mm length, and 12mm depth, with a lightweight construction weighing approximately 5 grams, enabling easy integration into existing systems without impacting space or weight constraints.
Utilizes Hall effect measuring principle for precise current detection. Low power consumption with fixed offset and sensitivity for stable output. Compact size and panel mount for space-saving installation. High immunity to electromagnetic interference improves reliability.
Factory calibrated for immediate deployment in industrial settings. Supports a wide operating temperature from -40°C to 105°C. Conforms to major international standards and safety certifications.
This current transformer is ideal for industrial, electrical, automation, and process control applications requiring reliable, accurate current measurement with electrical isolation. Browse EnvMart’s extensive range of LEM Current Transformers for additional solutions tailored to specific industrial requirements.
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Frequently Asked Questions
The primary current rating of this current transformer is 25 A.
It supports supply voltages of 3.14 V and 3.46 V.
This current transformer operates reliably across a temperature range from -40°C to 105°C.
The bore diameter is 18 mm, allowing for panel mounting.
The dimensions are 25 mm in width, 12.5 mm in length, and 12 mm in depth.
This model weighs approximately 5 grams, making it lightweight for easy integration.
It utilizes a panel mount type for installation.
The minimum operating frequency is 250 kHz.
It utilizes the Hall effect measuring principle for accurate current sensing.
It complies with UL 508:2010, IEC 61326-1:2012, IEC 61010-1:2010, EN 50178:1997, and CE certifications.
It is suitable for industrial automation, process control, electrical systems, and HVAC applications.
Yes, it is factory calibrated for immediate use in industrial settings.
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