Weidmueller RCMA-B22-D300-6.0

The RCMA-B22-D300-6.0 is likely a model number for an electrical component, such as a relay or contactor, used in power distribution and automation systems. The "D300" could specify the component's series, configuration, or size, and the "6.0" likely refers to its current rating or another key technical specification. To get a more accurate description or specific details, it would help to know the manufacturer or the exact application of the component. Let me know if you need more information!