Skip to content

6403

The Teridian 71M6403L is an electronic trip unit (ETU) system-on-chip device for air circuit breakers (ACB), molded case circuit breakers (MCCB) and other types of intelligent switchgear. Utilizing Teridian’s patented Single Converter Technology™, the 71M6403L incorporates a 22-bit delta-sigma ADC, 4 current sensor inputs, digital temperature com-pensation, precision voltage reference, 32-bit programmable computation engine, timers, Real Time Clock (RTC), two UARTs and a single cycle execution 8-bit MCU.

Features

22-bit Sigma-delta converter – Single Converter Technology™

Six sensor inputs and one auxiliary

Supports CT or Rogowski Coils with internal di/dt integrators

Better than 10ppm/°C accuracy

Instantaneous and delay trip

64KB Flash, 7KB RAM with Flash memory security

100-pin LQFP package