Accessories Split-core Current Transformer, 1-Phase AC Type SCT74/30 * Split-core current transformer * Cable/bus-bar type current transformer * 5A (1A on request) secondary current * Screws and nuts for busbar mounting Product Description Ordering Key These split core current transformers can be used for currents from 100A to 400A. The current transformers are made according to BS3938, EN60044-1 and DIN42600 standards. Model Primary current Secondary current Accuracy class Model SCT7430 Primary Current Secondary current Accuracy class Bus-bar size: 31 x 26 mm Refer to Range Table 5A 1A (on request) 1 ... 3 (see table) 0.5 (on request) SCT7430 2005A C1 Type Selection Input Specifications Operating frequency Max. system voltage Rated insulation level Short-time current rating Ith Idyn Extended current rating Security factor (FS) General Specifications 50 to 60 Hz 0.72 kV 4kVRMS, 50Hz, 1 min 60 In 2.5 x Ith 120% 5, 10 Insulation class Protection Working temperature range Storage temperature Standards Connection Housing Output Specifications Mounting Rated secondary current 5 A standard 1 A (on request) Standard accessories Accesories on request Special features Cable diameter Bus-bar size Specifications are subject to change without notice SCT74/30 DS 0703 E (MAX 120C) IP00 -20 to 45C -50 to 80C According to BS3938, EN60044-1 and DIN42600 The secondary terminals have two connections on each side. Connection with M4 (M5) screws easy to handle and securing low contact resistance. ABS, self-extinguishing: UL 94 V-0 DIN-rail/bus-bar and panel mounting (bracket supplied with the CT) Screw and nut for busbar mounting Clip, for DIN EN50022 rail The terminal cover is fitted for a lead seal. This execution complies with the VGB4 protection of DIN57106 standard. Max. 26 mm 31 x 26 mm 1 SCT74/30 Range Table Rated Primary Current Rated secondary current 5 A (1 A on request) Class 1 Class 3 Class 0.5 (*) Burden Burden Burden 100 A 125 A 150 A 200 A 250 A 300 A 400 A 1.5 VA 1.5 VA 1.5 VA 1.5 VA 5 VA 1.5 VA 2.5 VA 5 VA 5 VA 7.5 VA 10 VA 1.5 VA * On request Dimensions (mm) Wiring Diagram Standard and optional Accessories Screws and nuts for busbar mounting (standard) and clip for DIN EN50022 rail mounting (on request). Output secondary L N 2 Specifications are subject to change without notice SCT74/30 DS 0703