BUS BAR stc20 suitable to cover   OVERHEAD TRAVELLING CLEANER MODEL NUGEN-S WITH RAILING, FAN MOTOR 2.2 KW,420MM FAN, DRIVE MOTOR 150 W,BLOWING & SUCTION ATTACHMENT,COLLECTION BOX AND PLC CONTROLLER SUITABLE FOR RING FRAME. ONE UNIT COVER ONE RAILING SUITABLE FOR LR9AX 576 SPLS WITH AUTOPARKINGS & BTS COMPATIBILITY IN ST.PATH(MANUAL COLL.BOX)     