Littelfuse EL731-03-00 is a conformally coated relay with 3 Form C (N.O./N.C.) contacts. It operates in fail-safe and non-fail-safe modes and has IEEE device numbers 38-49-50G-50N-51G-51N-79G. It can be reset using a front-panel switch or a remote N.O. contact. The relay offers standard harmonic filtering and a GF trip time range of 0.05-2.00 seconds. It is suitable for solidly grounded AC and DC systems, as well as resistance rounded AC systems. The supply voltage options include 120V and 240V for both AC and DC applications. The product can be configured for latching trip or non-latching alarm and supports EtherNet-IP communication. It also features a temperature sensor with single PTC/RTD configuration and can be mounted using DIN (optional), panel, or surface methods.