Semiconductor relay 22.5mm, 20A - Magnet contactor 4...30VDC 3RF2120-1AA45

Semiconductor relay 22.5mm, 20A - Magnet contactor 4...30VDC 3RF2120-1AA45 – Siemens – 4011209652583: Semiconductor relay 22.5mm, 20A 3RF2120-1AA45 Rated control supply voltage Us at DC 4 ... 30V, Type of voltage for actuation DC, Rated operational current Ie at AC-1, 400 V 20A, Suitable for series installation, Number of auxiliary contacts as NO 0, Number of auxiliary contacts as NC contact 0, connection type main circuit screw connection, number of NC contacts as main contacts 0, number of NO contacts as main contacts 1, solid state relay, 1-phase 3RF2 overall width 22.5 mm, 20 A 48-600 V / DC 4-30 V screw connection blocking voltage 1200 V solid state relay SIRIUS 3RF21 for switching resistive/inductive loads, e.g. B. from radiators or valves in a bottling plant. The devices switch wear-free and silently and are therefore ideal for noise-sensitive areas (offices, hospitals). They are extremely reliable even at high switching frequencies. The compact design saves space on the cooling surface. The solid-state relays can also be expanded with the standardized 3RF29 function modules for a variety of applications by simply clicking on them. The devices are approved worldwide (eg IEC and UL/CSA). The semiconductor relays are available as 1-phase devices in two widths or as 3-phase devices. They are available for different outputs and rated operating voltages. Designed for AC or DC operation, they are available with screw, spring-loaded or ring cable lug connections. In addition to the 3RF29 function modules, control plugs and terminal covers are also available as accessories. Simple, efficient, always up-to-date - the SIRIUS modular system.