System Manual "SIRIUS Modular System – System Overview" see https://support.industry.siemens.com/cs/ww/en/view/60311318

Configuration Manual "Configuring SIRIUS Innovations – Selection Data for Fuseless and Fused Load Feeders", see https://support.industry.siemens.com/cs/ww/en/view/39714188

Manual "SIRIUS – SIRIUS 3RU Thermal Overload Relays / SIRIUS 3RB Electronic Overload Relays" see https://support.industry.siemens.com/cs/ww/en/view/60298164

Technical specifications, see https://support.industry.siemens.com/cs/ww/en/ps/16245/td