Phase monitoring relay for industrial switching and automation tasks. The component is suitable for reliable switching, isolating and controlling of electrical loads in machines, plants, control cabinets and automation systems. The design works for its respective nominal voltage and boasts high operating reliability and long service life. Typical areas of application are industrial automation, conveyor technology, building automation, energy distribution and control engineering and technology. Its compact design allows for space-saving integration into new or existing systems. Robust contacts ensure reliable switching processes and a permanently stable function even with frequent switching cycles. Particularly suitable for professional applications where safe signal processing, load control or galvanic isolation is required.