Siemens Sirius 3TK28 30-1AL20 Unità di espansione relè di sicurezza, 4NO, 230VAC
SIRIUS 3TK28 30 Expansion Unit. One basic unit may be connected to several expansion units. SIRIUS SAFETY RELAY WITH RELAY RELEASE. Safety relay expansion unit. We PROMISE we can make you happy if you give us a fair chan ce.