Littelfuse EL731-01-10 is a conformally coated relay device with 3 Form C relay contacts (N.O./N.C.) and fail-safe/non-fail-safe operation. It is suitable for solidly grounded AC, solidly grounded DC, and resistance rounded AC systems. With a supply voltage of 120/240V AC and DC, it offers front-panel switch/remote N.O. contact reset options. Equipped with standard harmonic filtering and a single PTC/RTD temperature sensor, this device also features a latching trip/non-latching alarm reset type. It supports DeviceNet communications and offers a GF trip level range of 0.03-5.00A with trip times ranging from 0.05-2.00 seconds. Mounting options include DIN (optional), panel, and surface.