Download NCS37021 Datasheet PDF
NCS37021 page 2
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NCS37021 Description

Pin # Name Pin Description 1 CTG Ground Neutral current transformer stimulus 2 SCM Test input for SCR functionality 3 CTB Differential current transformer bias voltage 4 CTS Differential current input 5 CTO Differential current to voltage output 6 IDF.

NCS37021 Key Features

  • Meets UL943 Self-test GFCI Requirements
  • 12 V Operation
  • Wide Operating Temperature Range from 40°C to 95°C
  • Low Quiescent Current
  • Optimized Solenoid Deployment
  • Power Supply Monitor that Verifies Full Diode Bridge Operation
  • Tiered GF Trip Times that Increase Immunity to Noise
  • Under-voltage Detection that Allows for Increased Operation at
  • Intelligent Sensing Differentiating Ground Fault versus Ground
  • 16 Pin QFN Package