Accessories AC Split-Core Current Transformer Type CTD-8S (max 30x80 mm) • Bus-bar type split core current transformer • Class 1 accuracy • Currents from 150 A to 2500 A • Up to 10 Bus-bar isolated fixing screws • Double screw terminals (up to 8-wire connections) • Sealable terminal block covers • Sealable fixing split-core screws Product Description Ordering Key CTD-8S 1500 5AXXX Split-core current transformer with bus-bar mountng facility. Rated primary currents from 150 A to 2500 A. Model Primary current Secondary current Option Type Selection Primary current From 150A to 2500A (Refer to the Range Table) Secondary current 1A (on request) 5A Option XXX:none XTX: tropicalization (on request) InputSpecifications Operating frequency48 to 62 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-timethermal current Ith is anyway limited by the cable/bus-bar size Extended current rating Refer to the Range Table Security factor (FS)≤ 5 (Class: 1 and 3) General Specifications Standards According to EN60044-1 HousingABS, self-extinguishing: UL 94 V-0 MountingBus-bar mounting Standard accessoriesTwo terminal block screws. Ten bus-bar fixing screws. Ten plastic caps for bus-bar fixing screws. Two sealable terminal block covers. Special features1 A secondary current, Tropicalization Working temperature-25°C to: refer to the Range Table (-13°F to: refer to the 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 (150A to 1000A) 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 (without sealable terminal covers) IP20 (with sealable terminal block covers + wire terminals) Bus-bar size Max. 30x80 mm WeightFrom 450 to 700 g Output Specifications Rated secondary current5 A or 1 A Specifications are subject to change without noticeCTD-8 S DS ENG 1503111
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