Accessories AC Current Transformer (max 23mm cable) Type CTD-1X * Cable and bus-bar type current transformer * 0.5 class, currents from 50 to 300 A * Removable DIN-rail mounting holder * Removable panel fixing clips * 2 cable/bus-bar isolated fixing screws * Double screw terminals (up to 8-wire connections) * Sealable terminal block covers Product Description Ordering Key CTD-1X 100 5A XXX Cable/Bus-bar type current transformer with DIN-rail/busbar and panel mounting facility. Model Primary current Secondary current Option Rated primary currents from 50 A to 300 A. Optional fixing kit: CTD-kit Type Selection Primary current Secondary current Option From 50 to 300A (Refer to Range Table) 1A 5A XXX: XTX: none tropicalization Input Specifications Operating frequency Max. system voltage Rated insulation level Insulation class Short-time current rating Ith Idyn Extended current rating Security factor (FS) 48 to 62 Hz 0.72 kV 3 kV/1 min. @ 50 Hz E (max 75C) Typical 100 In /1 s 2.5 Ith The short-time thermal current Ith is anyway limited by the cable/bus-bar size 120% 5 (Class: 0.5, 1 and 3) Special features Working temperature Storage temperature Approvals Connection Cable cross section area General Specifications Standards Housing Mounting Standard accessories Optional accessories According to EN60044-1 ABS, self-extinguishing: UL 94 V-0 DIN-rail bus-bar and panel mounting Two terminal block screws. Two sealable terminal block covers. Two panel mounting fixing clips. One DIN rail adapter. Extended fixing kit CTD-kit: Six cable/bus-bar fixing screws. Six plastic caps for cable/bus-bar fixing screws. Specifications are subject to change without notice Protection degree Cable diameter Bus-bar size Weight Two panel mounting fixing clips. 1 A secondary current, Tropicalization -25C to +60C (-13F to 140F) (R.H. < 90% non condensing @ 40C) -30C to +70C (-22F to 158F) (R.H. < 90% non condensing @ 40C) CE, cUrus and CSA Screw type From 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 IP00 IP20 (with sealable terminal block covers + wire termi nals) Max. 23 mm Max. 20x5 mm From 150 to 200 g Output Specifications Rated secondary current CTD-1X DS ENG 100311 5 A or 1 A 1 CTD-1X Range Table Model CTD-1X from 50A to 100A Primary Burden (VA) Current A CL 0.5 CL 1 CL 3 50 (@60C/140F) 1 1.25 60 (@60C/140F) 1 1.25 70 (@60C/140F) 1.5 1.75 75 (@60C/140F) 1 1.25 1.75 80 (@60C/140F) 1.25 1.5 2 100 (@60C/140F) 1.5 1.75 2.25 Model CTD-1X from 120A to 300A Primary Burden (VA) Current A CL 0.5 CL 1 CL 3 120 (@60C/140F) 1.75 2 2.5 125 (@60C/140F) 2 2.25 2.75 150 (@60C/140F) 2.25 2.5 3 160 (@60C/140F) 2.5 2.75 3.25 200 (@60C/140F) 3 3.25 3.75 250 (@50C/122F) 4.5 4.75 5.25 300 (@50C/122F) 5 5.5 6 Benefits 1 2 3 4 5 6 7 8 9 10 Dimensions (mm) 44 30 3,3 27 Wiring Diagram S1 83,6 2 65,2 * Easy and quick mounting either on a panel or on a DIN-rail (see figure 1-2). * Protection of screw terminals using specific sealable covers to assure always the best safety (see figure 3). * Bridging of current transformer output without changing the connection of the secondary, so to avoid any output overvoltage during either the maintenance or the installation procedure (see figure 4). * Easy output and earth connection (see fig. 5). * Screw terminals compatible with any kind of wire terminals (see figure 6-7-8-9). * Multiple screws provided with insulation caps to grant a strong and reliable fixing of the current transformer to the bus-bar (see figure 10). S2 22 44 L P1 P2 69,2 46 N 2 Specifications are subject to change without notice CTD-1X DS ENG 100311