For technical specifications, see https://support.industry.siemens.com/cs/ww/en/ps/16186/td

For FAQs, see https://support.industry.siemens.com/cs/en/en/ps/16186/faq

For Reference Manual "Switching Devices - Contactors and Contactor Assemblies" see https://support.industry.siemens.com/cs/WW/en/view/35554359