Changsha Purple Horn E-Commerce Co., Ltd.
| Frequency Range | 50Hz;60Hz |
| DCR Primary Side (Max) | 55Ω |
| Description | Current Transformers RoHS |
| Mfr. Part # | ART-B22-D70 |
| Model Number | ART-B22-D70 |
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Product Specification
| Frequency Range | 50Hz;60Hz | DCR Primary Side (Max) | 55Ω |
| Description | Current Transformers RoHS | Mfr. Part # | ART-B22-D70 |
| Model Number | ART-B22-D70 |
The LEM ART Series Split Core Rogowski Coil is an accurate, reliable, and easy-to-install energy sensor designed for Smart City applications. It offers a flexible, non-intrusive solution for AC current measurement with galvanic separation. Featuring patented Perfect Loop Technology, it minimizes positioning and external conductor influence, making it ideal for MV/LV substations, power metering, building sub-metering, power quality monitoring, fault detection, and integration with RTUs and PMUs.
| Parameter | Symbol | Unit | ART-B22-D70 | ART-B22-D125 | ART-B22-D175 | ART-B22-D300 | Comment |
|---|---|---|---|---|---|---|---|
| Rated insulation voltage | V CAT III PD2 | 1000 | |||||
| Accuracy Class | 0.5 (IEC 61869-2) | ||||||
| Protection degree | IP57 | ||||||
| Sensing Aperture Diameter | mm | 70 | 125 | 175 | 300 | ||
| Output cable length | m | 1.5 (other lengths available) | |||||
| Ambient temperature | TA | C | 40 +80 | ||||
| Coil Diameter | mm | 6.1 | Very flexible and thin | ||||
| Rated short-time thermal current | Ith | kA | 300 @ 50 Hz | ||||
| Rated transformation ratio | kra | kA/V | 44.44 @ 50 Hz | ||||
| Rated frequency | fr | Hz | 50/60 | ||||
| Secondary voltage | US | mV | 22.5 @ 50 Hz, IP = 1 kA | 22.5 @ 50 Hz, IP = 1 kA | 22.5 @ 50 Hz, IP = 1 kA | 22.5 @ 50 Hz, IP = 1 kA | |
| Mutual inductance | M | nH | 71.98 | 72.14 | 72.31 | 72.84 | |
| Frequency bandwidth (3 dB) | BW | kHz | 420 | 373 | 350 | 300 | |
| Phase displacement | 0.004 @ 50/60 Hz | ||||||
| Coil inductance | LS | H | 180 | 258 | 343 | 566 | |
| Coil resistance | RS | 56 | 81 | 105 | 170 | ||
| Ratio error (centered) | % | 0.5 0.5 | Class 0.5 accuracy | ||||
| Ratio error (all positions) | % | 0.75 0.75 | Including positioning error | ||||
| Influence of external current | I ext | % | 0.2 0.4 | ||||
| Mass (1.5m cable) | m | g | 124 | 130 | 138 | 155 | |
| Ambient storage temperature | TS | C | 40 +80 | ||||
| Relative humidity (non-condensing) | RH | % | 0 90 | ||||
| Altitude above sea level | m | 2000 | |||||
| Maximum primary conductor temperature | TB max | C | 105 | ||||
| Maximum secondary voltage | US max | V | 30 | ||||
| General tolerance | mm | 1 | Mechanical | ||||
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
>300
Ecer Certification：
Verified Supplier
Changsha Purple Horn E-Commerce Co., Ltd. is a professional company focus on integrated circuit ic business. Changsha Purple Horn will also responsible with exporting and logistic business. there is professional factory Changsha Purple Horn which focus on desigining and manufacture. ... Changsha Purple Horn E-Commerce Co., Ltd. is a professional company focus on integrated circuit ic business. Changsha Purple Horn will also responsible with exporting and logistic business. there is professional factory Changsha Purple Horn which focus on desigining and manufacture. ...
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