Littelfuse FPS-CTU-04-00 is a conformally coated relay device with a frequency range of 50; 60; ASD. It features 3 Form A (N.O.); 2 Form C (N.O./N.C.) relay contacts and operates in both fail-safe and non-fail-safe modes. It supports various IEEE device numbers and offers front-panel switch as well as remote N.O. contact reset options. The product includes standard harmonic filtering, RS/TIA-485 and Ethernet communications, and has a supply voltage range of 65-265V AC and 80-275V DC. It also features an analog output current of 4-20mA, supports up to 8 temperature sensors with MPS-RTD configuration, and offers 8 digital inputs and one 4-20mA analog input.