NT30ST131BE is a solid-state relay manufactured by Omron. It is a 3-phase zero cross type, rated for 40 Amps of load current and 100 to 240 Volts of AC input voltage. It also features zero voltage turn-on and offers a fast switching time of 2 milliseconds. It is encapsulated in a compact 30mm casing, which makes it suitable for use in small spaces. Additionally, it is resistant to shock and vibration, making it a reliable choice for industrial applications.