This is our new product. MZJ-200D series NO contactors are our proprietary products. The products' are widely applied in folklift or uninterrupted power supply system. We have all kinds of products, for more information, please contact us. MZJ-200D/48. 48A MZJ series is our NO products. 200 is for contact current (A). D is for coil form (S for double coil form & D for single coil form ) 48 is for rated coil volt (V). 48 is for rated contact volt (V). A is for mounting plate form (A curved plate, B direct plate)