Accessories Current Transformers SE-CS30 SERIES Current Sensor Description The SE-CS30 series is a sensitive nickel-core current transformer used with Littelfuse relays to detect low levels of earth-leakage current. Specifications Turns Ratio 600:1 Current Rating 30:0.05 A Accuracy 3% 0.06 VA Frequency 50-400 Hz Insulation Level 600 V Operating Temperature -55 to 60C (-67 to 140F) Application FPU-32, FPS, MPU-32, MPS, PGR-6100, PGR-6101, SE-330, SE-701, SE-704 Certification CSA, UL, CE Compliance RoHS, IEC 60044-1 50.0 10.0 Ordering Information 5.0 ORDERING NUMBER WINDOW SIZE, ID WEIGHT SE-CS30-26 26 mm (1.0) 0.5 kg (1.0 lb) 1.0 SE-CS30-70 70 mm (2.8) 1.2 kg (2.5 lb) SE-CS30-4 95 mm (3.7) 1.3 kg (3.0 lb) SE-CS30-5 140 mm (5.5) 2.1 kg (4.6 lb) 0.1 SE-CS30-8 200 mm (7.9) 4.3 kg (9.4 lb) 0.01 0.05 0.1 10.0 20.0 30.0 1.0 SECONDARY EXCITING CURRENT (MILLIAMPERES) SE-CS30-26 SE-CS30-70 SE-CS30-4 SE-CS30-5 SE-CS30-8 2018 Littelfuse Protection Relays & Controls Rev: 1-A-060418 www.littelfuse.com/se-cs30 SECONDARY EXCITING VOLTAGE (VOLTS)Accessories Current Transformers SE-CS30 SERIES Dimensions and Mounting Diagram SE-CS30-26 68.0 68.0 (2.68) (2.68) 17.0 34.0 (0.67) (1.34) M4 OR 8-32 TAP M5 SCREWS TOP MOUNTING DETAIL 25.0 26.5 (0.98) (1.04) S E - C S 3 0 - 2 6 C U R R E N T S E N S O R R R LR 53428 C US 4.0 (0.16) RECESSED FOR 7-mm HEX NUT 3.0 (0.12) DEEP 58.0 (2.28) 5.0 52.5 5.0 (0.20) (2.07) (0.20) FRONT SIDE NOTES: 1. DIMENSIONS IN MILLIMETRES (INCHES). 2. PRESS MOUNTING FEET IN PLACE USING INSTALLATION TOOL PROVIDED (DETAIL A). MOUNTING FOOT 3. MOUNTING SCREWS: M4 OR 8-32. INSTALLA TION TOOL 4. RoHS COMPLIANT. 5. EN 60044-1 COMPLIANT. DETAIL A 2018 Littelfuse Protection Relays & Controls Rev: 1-A-060418 www.littelfuse.com/se-cs30 26.0 (1.02) 110.0 MAX 72.0 26.5 (2.83) (1.04) (0.43) 34.0 (1.34) 7.0 (0.87) 52.5 (2.07) 42.6 (1.68)