ABB 1SAP112100R0270 - TB521-ETH Terminal Base (AC500 V2)

The ABB 1SAP112100R0270 is the current order code for the TB521-ETH terminal base for AC500 V2, documented on ABB's own product pages as a terminal base with two slots for communication modules, an Ethernet interface, two RS232/RS485 serial interfaces, 24 VDC supply and spring terminals. Datasheet extracts record EAN 4016779711463 for this code. The base carries the CPU plus one communication module and provides field wiring terminals, making it a structural spare for AC500 V2 cabinets; it succeeds the earlier code 1SAP112100R0170. New stock is offered by multiple distributors with warranty. Confirm your CPU type and terminal style before ordering.