6404
The Teridian 71M6404 is an electronic trip unit (ETU) system-on-chip device for air circuit breakers (ACB), molded case circuit breakers (MCCB), motor protection and other types of intelligent switchgear. Utilizing Teridian’s patented Single Converter Technology®, the 71M6404 incorporates a 22-bit delta-sigma ADC, 4 current sensor inputs and 6 voltage inputs, digital temperature compensation, precision voltage reference, 32-bit programmable computation engine, timers, Real Time Clock (RTC), two UARTs and a single cycle execution 8-bit MCU.Features
IEC 60947-2 and 60947-4-2 compliant22-bit Sigma-delta converter – Single Converter Technology™
Four current and six voltage sensor inputs
Supports CT or Rogowski Coils with internal di/dt integrators
Instantaneous and delay trip
128KB Flash, 4KB RAM with Flash memory security
120-pin LQFP package
