Accessories Current Transformers SE-CS10 SERIES Current Sensor Description The SE-CS10 series is a current transformer used with Littelfuse relays to detect earth leakage current. Specifications Turns Ratio Current Rating Accuracy Frequency Insulation Level Operating Temperature Application Certification Compliance 200:1 12.5:0.0625 A 1% 50-400 Hz 600 V, 10 kV BIL full wave -40 to 60ºC (-40 to 140ºF) SE-134C, SE-135, SE-145, SE-330 CE IEC 60044-1 Ordering Information ORDERING NUMBER WINDOW SIZE, ID VA RATING WEIGHT SE-CS10-2.5 63.5 mm (2.5”) 35 0.5 kg (1 lb) SE-CS10-4 108.0 mm (4.25”) 50 1.8 kg (4 lb) SE-CS10-6 160.3 mm (6.3”) 25 2.3 kg (5 lb) SE-CS10-8 209.5 mm (8.25”) 25 3.6 kg (8 lb) SECONDARY EXCITING VOLTAGE (VOLTS) 50.0 10.0 5.0 1.0 0.1 0.01 0.1 10.0 1.0 20.0 30.0 SECONDARY EXCITING CURRENT (MILLIAMPERES) SE-CS10-2.5 SE-CS10-6 © 2015 Littelfuse Protection Relays & Controls www.littelfuse.com/se-cs10 SE-CS10-4 SE-CS10-8 Rev: 1-A-111215 Accessories Current Transformers SE-CS10 SERIES Dimensions and Mounting Diagram C F C SE-CS10-6 AND SE-CS10-8 D G D E H SE-CS10-2.5 AND SE-CS10-4 MOUNTING DETAIL TOP K TERMINAL LOCATION MAY VARY S E - C S 10 - X R CURRENT SENSOR E X1 600 V INS. CLASS 10 KV BIL COUNTRY OF ORIGIN: USA B J A H1 C 1-800-TEC-FUSE (1-800-832-3873) I FRONT SIDE NOTES: 1. DIMENSIONS IN MILLIMETRES (INCHES). 3. EN 60044-1 COMPLIANT. 2. RoHS COMPLIANCE PENDING. PART NUMBER DIMENSIONS A B C D F G MOUNTING SCREW DIMENSIONS H I J K SE-CS10-2.5 63.5 (2.50) 135.1 (5.32) 124.0 (4.88) 72.6 (2.86) 27.9 (1.10) 69.9 (2.75) 54.4 (2.14) M4 (8-32) 88.9 (3.50) N/A 83.3 (3.28) SE-CS10-4 108.0 (4.25) 184.0 (7.24) 169.9 (6.69) 77.2 (3.04) 32.5 (1.28) 123.7 (4.87) 60.5 (2.38) M4 (8-32) 138.2 (5.44) 138.2 (5.44) 19.0 (0.75) E SE-CS10-6 160.3 (6.31) 229.0 (9.00) 215.9 (8.50) 101.6 (4.00) 31.8 (1.25) 165.0 (6.50) 73.2 (2.88) M10 (0.375) 171.5 (6.75) 171.5 (6.75) 19.0 (0.75) SE-CS10-8 209.5 (8.25) 279.4 (11.00) 266.7 (10.50) 108.7 (4.28) 38.9 (1.53) 225.0 (8.86) 80.0 (3.15) M10 (0.375) 200.7 (7.90) 200.7 (7.90) 19.0 (0.75) © 2015 Littelfuse Protection Relays & Controls www.littelfuse.com/se-cs10 Rev: 1-A-111215