High accuracy current transducer LEM LA100-P suitable for UPS SMPS and welding power supply applications
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Product Description
Product Overview
The LEM LA 100-P is a closed-loop Hall effect current transducer designed for the electronic measurement of DC, AC, and pulsed currents with galvanic separation between primary and secondary circuits. It features an insulated plastic case recognized according to UL 94-V0, offering excellent accuracy, linearity, low temperature drift, and a wide frequency bandwidth. This transducer is ideal for industrial applications including AC variable speed drives, servo motor drives, static converters, battery-supplied systems, UPS, SMPS, and welding power supplies.
Product Attributes
- Brand: LEM
- Origin: Switzerland
- Material: Insulated plastic case (UL 94-V0)
- Certifications: UL 94-V0, EN 50178, UL 508
Technical Specifications
| Parameter | Symbol | Value | Unit | Notes |
| Primary nominal RMS current | IP N | 100 | A | |
| Primary current, measuring range | IP M | 0 ... 150 | A | |
| Measuring resistance @ TA = 70 C | RM | 0 - 50 | @ 12 V @ 100 A max | |
| Measuring resistance @ TA = 85 C | RM | 0 - 42 | @ 12 V @ 100 A max | |
| Measuring resistance @ TA = 70 C | RM | 0 - 22 | @ 120 A max | |
| Measuring resistance @ TA = 85 C | RM | 0 - 14 | @ 120 A max | |
| Measuring resistance @ TA = 70 C | RM | 0 - 110 | @ 15 V @ 100 A max | |
| Measuring resistance @ TA = 85 C | RM | 20 - 102 | @ 15 V @ 100 A max | |
| Measuring resistance @ TA = 70 C | RM | 0 - 33 | @ 150 A max | |
| Measuring resistance @ TA = 85 C | RM | 20 - 25 | @ 150 A max | |
| Secondary nominal RMS current | IS N | 50 | mA | |
| Turns ratio | NP/NS | 1 : 2000 | ||
| Supply voltage (5 %) | UC | 12 15 | V | |
| Current consumption (2) | IC | 10 | mA | (@ 15 V) + IS |
| Error @ IP N, TA = 25 C | 0.45 % | @ 15 V (5 %) | ||
| Error @ IP N, TA = 25 C | 0.70 % | @ 12 15 V (5 %) | ||
| Linearity error | L | % | Typ Max | |
| Offset current @ IP = 0, TA = 25 C | IO | 0.10 | mA | |
| Magnetic offset current | IO M | 0.15 | mA | @ IP = 0 and specified RM, after an overload of 3 IP N |
| Temperature variation of IO (25 C +85 C) | IO T | 0.05 / 0.30 | mA | Typ / Max |
| Temperature variation of IO (40 C 25 C) | IO T | 0.10 / 0.50 | mA | Typ / Max |
| Delay time @ 10 % of IP N | tD 10 | ns | ||
| Delay time to 90 % of IP N | tD 90 | s | For a di/dt = 100 A/s. | |
| Frequency bandwidth (1 dB) | BW | DC 200 | kHz | |
| Ambient operating temperature | TA | 40 +85 | C | |
| Ambient storage temperature | TS | 40 +90 | C | |
| Resistance of secondary winding @ TA = 70 C | RS | 120 | ||
| Resistance of secondary winding @ TA = 85 C | RS | 128 | ||
| Mass | m | 18 | g | |
| RMS voltage for AC insulation test, 50 Hz/1 min | Ud RMS | 2.5 | kV | |
| Impulse withstand voltage 1.2/50 s | UNi | 4.5 | kV | |
| Creepage distance | dCp | 3.8 | mm | |
| Clearance | dCI | 3.8 | mm | |
| Comparative tracking index (group I) | CTI | 600 |
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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