1746-A4 is a 4 slot rack constructed to house modules from the SLC500 series

We have a large stock and high-quality, production control system components ABB Advant OCS, ABB MOD 300, ABB Procontic, ABB Procontrol, H & B Contronic, Moore APACS and QUADLOG Moore Panel Controllers, Rosemount RS-3 spare parts cards, servo now ready to be picking. Warranty All spare parts are 1 year, through professional testing and certification. If you want to order more than one item, please contact us, we can offer a discount for you. We can use courier delivery of spare parts. (DHL/TNT/UPS/FEDEX) If you find other suppliers offer cheaper prices for the same product, with reference to the price we are willing to provide you with further discounts. If you have any other questions, please feel free to contact us. ↓, Allen-Bradley (USA AB) series " , Invensys Triconex: redundant fault-tolerant control system, based on triple modular redundancy of the most modern fault-tolerant controller Schneider (Schneider Electric) Series " ↓, General electric (GE) → GE ← series " ↓, Wes