Accessories AC Current Transformer (max 64x20mmbus-bar) Type CTD-4X • Bus-bar type current transformer • 0.5 class, currents from 150 to 1600 A • Removable panel fixing clips • Up to 6 Bus-bar isolated fixing screws • Double screw terminals (up to 8-wire connections) • Sealable terminal block covers Product Description Ordering Key CTD-4X 1250 5A XXX Cable/Bus-bar type current transformer with DIN-rail/bus- bar and panel mounting facility. Type Selection Rated primary currents from 150 A to 1600 A. Model Primary current Secondary current Option Optional fixing kit: CTD-kit Primary current From 150 to 1600A (Refer to Range Table) Secondary current 1A 5A Option XXX:none XTX:tropicalization Input Specifications Operating frequency45 to 65 Hz Max. system voltage0.72 kV Rated insulation level3 kV/1 min. @ 50 Hz Insulation class E (max 75°C) Short-time current rating Ith Typical 100 In /1 s Idyn 2.5 Ith The short-time thermal current Ith is anyway limited by the cable/bus-bar size Extended current rating Refer to Range Table Security factor (FS)5 (Class: 0.5, 1 and 3) General Specifications Standards According to EN60044-1 HousingABS, self-extinguishing: UL 94 V-0 MountingPanel mounting Standard accessoriesTwo terminal block screws. Two cable/bus-bar fixing screws. Two plastic caps for cable/bus-bar fixing screws. Two panel mounting fixing clips. Two sealable terminal block covers. Optional accessoriesExtended fixing kit: CTD-kit Two panel mounting fixing clips. Six cable/bus-bar fixing screws. Six plastic caps for cable/bus-bar fixing screws Special features1 A secondary current, Tropicalization Working temperature-25°C to: refer to Range Table (-13°F to: refer to Range Table) (R.H. < 90% non condensing @ 40°C) Storage temperature-30°C to +70°C (-22°F to 158°F) (R.H. < 90% non condensing @ 40°C) Approvals CE, cURus and CSA Connection Screw type Cable cross section areaFrom 1.5 to 6 mm2 Min/Max screws tightening torque relevant to terminal block screws: From 1 to 2 Nm Max screws tightening torque relevant to the cable/bus-bar fixing screws: 0,3 Nm Protection degree IP00 IP20 (with sealable terminal block covers + wire terminals) Cable diameter Max. 51 mm Bus-bar size HorizontalMax. 64x20, 51x43 mm VerticalMax. 51x31 mm WeightFrom 450 to 700 g Output Specifications Rated secondary current5 A or 1 A Specifications are subject to change without noticeCTD-4X DS ENG 250315 1
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