The Panasonic ASFM0182S Safety Relay is an 18VDC, 15mA, 1 Form A and 1 Form B RTII Tube with safety relays. It is used for a variety of applications, including equipment control, critical process protection, and industrial automation. The 1 form A and 1 form B RTII Tube feature two fiber-optic outputs that enable application flexibility, and one form A NPN open collector output for logic interfacing. With a functional safety rating of lever 3/cat. 4, and a high-speed react time of 0.014 seconds per monitored signal, this safety relay is the perfect solution for critical operations which require a high level of safety and reliability. It is cULus and cTUVus certified, and comes with a 5-year limited warranty.