SIEMENS Sirius Expansion Unit
The SIRIUS 3TK28 30 Expansion Units are used to increase the number of contacts that can be used on safety related control units. One enabling contact of the base unit is required to connect the expansion unit. The category of a control system with expansion unit corresponds to the category of the basic unit. One basic unit may be connected to several expansion units.
Expansion module for use with 3TK28 2 safety relays
Safety category dependent on base unit
Part No: 3TK2830-1CB30
RRP $449.85 inc GST
Part is located in Melbourne, Australia so available for fast shipping.
Worldwide Shipping Available for International Buyers – Please contact for shipping price
