ABB has worked in the energy industry for over 130 years, supplying electrification and automation technology to power transmission and distribution networks, industrial energy systems and renewables. Its low-voltage portfolio covers current transformers, protection and switching devices and EV charging infrastructure, chosen for measurement accuracy, long service life and full IEC compliance.
The ABB CP-D 24/4.2, In: 90-264VAC/120-375VDC; 1-phase Out: 24VDC / 4.2A (1SVR427045R0400) is a DIN-rail switch-mode power supply delivering 24 VDC at 4.2A (100 W) from a wide-range single-phase 90–264 VAC / 120–375 VDC input. With a U/I output characteristic, its output is adjustable from 24 to 28 VDC. It mounts on 35mm DIN rail, takes up to 2.5mm² conductors on both input and output, and is rated IP20 with a wide −40 to +70 °C operating range and altitude to 4850m. EMC is Class B (emission and immunity), and it's certified to IEC/UL 60950, UL 508, and CE, making it a reliable auxiliary supply for control and monitoring devices in solar and storage installations.