Littelfuse KVM4 is a compact and reliable single-phase voltage monitor. It has a load rating of 8A resistive @ 120V and 1/3hp @ 120/240V. The termination type is 0.25 in. male quick connect terminals. It operates at an input AC line frequency of 50/60 Hz and can withstand 95% non-condensing humidity. With a repeat accuracy of ±0.5% under fixed conditions, it ensures precise performance. It has surge protection according to IEEE C62.41-1991 Level A. The undervoltage sensing range is between 78-99V. Its power consumption is 2.5W @ 132V and 4.5W @ 264V, and its reset time is ≤150ms upon power off. The insulation resistance is ≥100.