Littelfuse ECSW4MBHT is a versatile surge protection device with a load rating of 10 A resistive @ 240 Volts. It features a 5 mm terminal block for easy wire connection and is compatible with #12 AWG wire. With an input tolerance of -20% to 10%, it operates smoothly in 50/60 Hz AC line frequencies. Designed for reliable performance, it offers IEEE C62.41-1991 Level A surge protection and has a response time of ≤75 ms. The toroid sensor with peak detection is ideal for detecting over and undercurrent with trip points ranging from 2 to 20 adjustable. It has a trip delay sensing on startup ranging from 0.1 to 6 seconds. This compact device ensures reliable operation with guaranteed range of sensor tolerances and high insulation resistance.