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GF4149 Datasheet GROUND FAULT INTERRUPTER

Manufacturer: Unisonic Technologies

General Description

The UTC GF4149 is a low-power controller for detecting hazardous current paths to ground and ground-to-neutral faults.

The UTC GF4149 application circuit opens the load contacts before a harmful shock occurs.

The UTC GF4149 contains a precision bandgap 14V shunt regulator, precision low-VOS sense amplifier, time-delay noise filter, window-detection comparators, and an SCR driver.

Overview

UNISONIC TECHNOLOGIES CO., LTD GF4149 Preliminary LINEAR INTEGRATED CIRCUIT GROUND FAULT INTERRUPTER.

Key Features

  • S.
  • Precision Sense Amplifier and Bandgap Reference.
  • Low-VOS Offset.
  • Built-in Noise Filter.
  • High-Current SCR Gate Driver.
  • Adjustable Sensitivity.
  • Low Quiescent Current.
  • Minimum External Components.
  • Ideal for 120V or 220V Systems.