Siemens 6ES7460-3AA00-0AB0 Simatic S7-400 IM460-3 Interface Module
Siemens 6ES7 460-3AA00-0AB0 SIMATIC S7-400 IM 460-3 Send Interface Module for Distributed Expansion up to 102m, transmission of P and C bus, for connecting up to 8 Expansion Racks (up to 4 per interface), plugs into Central Rack, can be used exclusively with IM 461-3