Littelfuse 250A Monitor 321142-301 Always verify the output of

Always verify the output of your control board with a multimeter

non-fluctuating temperature control for demanding HVACR applications such as industrial baking

utilizing the OEM 0154F00001P gasket is necessary to maintain the engineered seal and UL listing

Techs should note that this 1

Littelfuse 250A Monitor 321142-301 Always verify the output ofThe Littelfuse 250A Three Phase Monitor is a critical diagnostic and protection tool for technicians managing 190 480VAC 3 phase motor systems. Built with a proprietary microcontroller based circuit, this auto ranging dual range voltage monitor continuously samples incoming power to prevent catastrophic failure from single phasing, phase reversal, and voltage unbalance. Its advanced LED diagnostics provide five distinct flash patterns, allowing for