The Masterpact NT range of power circuit breakers protects circuits and loads :
rated current from 630A to 1600A one frame size from 630A ? 1600A 3P and 4P models fixed or drawout versiosn 4 types of electronic protection featuring rms measurements as standard adjustable long-time settings from 0,4 to 1 Inn with fine adjustment via local keypad or remote supervisor operational voltage up to 690V AC breaking capacity from 42 to 150 kA under 220/45 V CA Masterpact type HA switch-disconnector versions electronic functions dedicated to power management and power quality analysis reverse feed possible stored-energy mechanism for instantaneous closing (source coupling)