Transformatoare de curent, senzori de curent

Traductor curent, AC, DC, -70A, +70A, iesire curent, LA55-P, LEM

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Furnizor: LEM

LA55-P

The LA 55-P from LEM is a current transducer. It features instantaneous output, excellent accuracy, very good linearity, low temperature drift, optimized response time, wide frequency bandwidth, no insertion losses, high immunity to external interference and current overload capability. This current transducer is used for the electronic measurement of currents (DC, AC, pulsed, mixed) with galvanic separation between the primary circuit and the secondary circuit. It is mainly used in AC variable speed drives and servo motor drives, static converters for DC motor drives, battery supplied applications, Uninterruptible Power Supplies (UPS), Switched Mode Power Supplies (SMPS) and power supplies for welding applications.

Closed loop current transducer using the hall effect technology

Primary nominal current of 50A

0.65% accuracy

Primary current measuring range is ±70A

Supply voltage range from ±12V to ±15V

Conversion ratio is 1 : 1000

Secondary nominal rms current is 50mA

Insulated plastic case recognized according to UL 94-V0

Operating temperature range from -40°C to 85°C

PCB mounting

Sensor Output: Closed Loop

Supply Voltage DC Min: -15V

Supply Voltage DC Max: 15V

Current Measuring Range DC: -70A to 70A

Current Measuring Range AC: -70A to 70A

Response Time: 1µs

Accuracy %: 0.9%

Product Range: LA 55-P Series

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