Littelfuse ECSW4LBHT is a versatile and reliable surge protector with a load rating of 10A resistive at 240V, making it suitable for a variety of applications. It features easy-to-use 0.197in terminal blocks for up to #12 AWG wire, and operates at a frequency of 50/60Hz, with an input tolerance of -20% to 10%. With surge protection according to IEEE C62.41-1991 Level A, fast response time of ≤75ms, and a current sensor range of 50A steady and 300A for 10s, this product offers efficient and effective protection. It boasts peak detection and over/undercurrent trip points, and a trip point range of 0.5-5 adjustable. With a fixed trip delay sensing on startup and an undercurrent trip point of <250mA, this device provides reliable and precise performance.