The typical cost of an industrial PoE ethernet switch can range from $100 to over $5,000, depending on factors like port count, speed, PoE capabilities, environmental requirements, and advanced network management features. Industrial Ethernet switch, also known as industrial switch, is an Ethernet switch used in the field of industrial control. Due to the network standards adopted, it has good openness and wide application. Cisco IE 3000 Switch, 8 10/100 + 2 T/SFP. Catalyst. Modular routers and switches with features of expansion and scalability often have a base unit cost along with additional costs for expansion modules or line cards. While this feature adds convenience and cost savings by eliminating the need for separate power sources. The costs of industrial Ethernet networks are one of the most traditionally debated aspects in the field.