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KA2803

Part Number	KA2803
Manufacturer	ON Semiconductor
Description	Earth Leakage Detector
Published	Mar 23, 2020
Detailed Description	Earth Leakage Detector KA2803 Description The KA2803 is designed for use in earth leakage circuit interrupters, for ope...
Datasheet	KA2803 PDF File

Overview

Earth Leakage Detector KA2803 Description The KA2803 is designed for use in earth leakage circuit interrupters, for operation directly off the AC line in breakers.
The input of the differential amplifier is connected to the secondary coil of Zero Current Transformer (ZCT).
The amplified output of differential amplifier is integrated at external capacitor to gain adequate time delay.
The level comparator generates a high level when earth leakage current is greater than the fixed level.
Features • Low Power Consumption: 5 mW, 100 V/200 V • Built-in Voltage Regulator • High-gain Differential Amplifier • 0.
4 mA Output Current Pulse to Trigger SCRs • Low External Part Count • SOP Package, High P...

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