Phase guard - Phase monitoring relay 400V 5TT3421

Phase guard - Phase monitoring relay 400V 5TT3421 – Siemens – 4001869155883: 5TT3421 phase monitor Design of the electrical connection screw connection, rated control supply voltage Us at AC 50 Hz 400 ... 400 V, rated control supply voltage Us at AC 60 Hz 400 ... 400 V, rated control supply voltage Us at DC 0 V, type of voltage for actuation AC, phase failure detection function, voltage measuring range 400 ... 400V, number of contacts as NC contact 0, number of contacts as NO contact 0, number of contacts as changeover contact 1, width 18mm, height 90mm, depth 64mm, phase monitor AC 230V 4A Siemens switching devices for applications in residential buildings and industrial applications. The innovative switching devices from Siemens are an important part of the SENTRON components for the electrical installation. With the remote switches, switching relays, Insta contactors and timers, they offer numerous options for implementing various switching functions. Whether for residential construction, infrastructure or industrial applications, Siemens offers the right portfolio for all switching functions. So you have the right device for every requirement! The switching devices from Siemens are primarily characterized by: 1. Convenient and simple installation and connection technology. 2. Reliable safety during installation thanks to standard contact protection. 3. Extensive and easily mountable accessories. 4. Optimum technology for your safety - only from Siemens. For the safe, efficient electrical infrastructure in buildings and industry, Siemens offers a comprehensive portfolio of protective switching, measuring and monitoring devices, distribution systems, switches and socket outlets.