Industrial Hall effect current transducer LEM LAH50-P for UPS SMPS and static converter applications
Price:
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MOQ:
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Delivery Time:
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Product Description
Product Overview
The LEM LAH 50-P is a closed-loop Hall effect current transducer designed for the electronic measurement of DC, AC, and pulsed currents with galvanic separation between the primary and secondary circuits. It offers excellent accuracy, very good linearity, low temperature drift, optimized delay time, and a wide frequency bandwidth, making it suitable for various industrial applications including AC variable speed drives, static converters, UPS, and SMPS.
Product Attributes
- Brand: LEM
- Model: LAH 50-P
- Origin: Switzerland (implied by LEM International SA address)
- Material: Insulating plastic case recognized according to UL 94-V0.
- Color: Not specified
- Certifications: EN 50178, IEC 61010-1, UL 94-V0
Technical Specifications
| Parameter | Value | Unit | Notes |
| Primary nominal RMS current | 50 | A | IP N |
| Primary current, measuring range | 0 110 | A | IP M, 1) |
| Secondary nominal RMS current | 25 | mA | IS N |
| Turns ratio | 1 : 2000 | NP/NS | |
| Supply voltage | 12 15 | V | UC (5 %) |
| Current consumption | 10 | mA | IC (@ 15 V) + IS |
| Total error | 0.25 | % | tot @ IP N, TA = 25 C, 3) |
| Linearity error | < 0.15 | % | L Typ |
| Offset current @ IP = 0, TA = 25 C | 0.15 | mA | IO Typ |
| Magnetic offset current @ IP = 0 | 0.10 / 0.15 | mA | IO M Typ / Max |
| Temperature variation of IO (0 C +70 C) | 0.10 / 0.30 | mA | IO T Typ / Max |
| Temperature variation of IO (25 C +85 C) | 0.10 / 0.40 | mA | IO T Typ / Max |
| Delay time to 10 % of final value | < 200 | ns | tD 10 for IP N step, 4) |
| Delay time to 90 % of final value | < 500 | ns | tD 90 for IP N step, 4) |
| Frequency bandwidth (1 dB) | DC ... 200 | kHz | BW |
| Ambient operating temperature | -25 ... +85 | C | TA |
| Ambient storage temperature | -40 ... +90 | C | TA st |
| Resistance of secondary winding @ TA = 70 C | 115 | RS | |
| Resistance of secondary winding @ TA = 85 C | 121 | RS | |
| Mass | 22 | g | m |
| RMS voltage for AC insulation test | 5 | kV | Ud (50 Hz, 1 min) |
| Impulse withstand voltage (1.2/50 s) | 12 | kV | UNi |
| Partial discharge RMS test voltage | > 2 | kV | Ut (qm< 10 pC) |
| Creepage distance | 11.75 | mm | dCp 1) |
| Clearance | 11.75 | mm | dCI 1) |
| Comparative tracking index | 175 | CTI (group IIIa) |
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Company
Changsha Purple Horn E-Commerce Co., Ltd.
Location
2332 Kaibin Commercial Plaza, No. 419 Shaoshan Middle Road, Shazitang Street, Yuhua District, Changsha City, Hunan Province
Contact Person
Coral