Accessories Current Transformers CT200 SERIES Current Sensor Description The CT200 series is a current transformer used with Littelfuse relays to detect earth-leakage or phase current. Specifications Turns Ratio Current Rating Accuracy Frequency Insulation Level Operating Temperature Application Certification Compliance 200:5 200:5 A 2 VA 10P10 (± 3% at rated current, ± 10% at 10x rated current) 50/60 Hz 600 V -55 to 60ºC (-67 to 140ºF) FPU-32, FPS, MPU-32, MPS, PGR-8800, SE-105, SE-107, SE-325, SE-330, SE-701 CSA, UL RoHS Ordering Information ORDERING NUMBER WINDOW SIZE, 1D WEIGHT CT200 56 mm (2.2”) 0.5 kg (1.2 lb) CT200L 89 mm (3.5”) 0.8 kg (1.8 lb) SECONDARY EXCITING VOLTAGE (VOLTS) 50.0 10.0 5.0 1.0 0.1 0.01 10.0 0.05 0.1 1.0 SECONDARY EXCITING CURRENT (MILLIAMPERES) CT-200L © 2015 Littelfuse Protection Relays & Controls www.littelfuse.com/ct200 20.0 30.0 CT-200 Rev: 1-A-111215 Accessories Current Transformers CT200 SERIES Dimensions and Mounting Diagram 44.5 MAX (1.75) D NOTES: 1. DIMENSIONS IN MILLIMETRES (INCHES). 2. MOUNTING SCREWS: M4 OR 8-32. 3. SECONDARY LEADS 14 AWG (2.08 MM2), 609.6 MM (24.00”) X2 X1 E A BLACK NOTE 3 WHITE B SIDE FRONT B 9.4 (0.37) 44.5 (1.75) F 22.2 (0.87) C TAP M4 OR 8-32 BOTTOM PART NUMBER MOUNTING DETAIL DIMENSIONS A B C D E F CT200 55.9 (2.20) 120.7 (4.75) 101.6 (4.00) 98.3 (3.87) 108.0 (4.25) 5.6 (0.22) CT200L 88.9 (3.50) 154.0 (6.06) 133.4 (5.25) 139.7 (5.50) 144.5 (5.69) 7.1 (0.28) © 2015 Littelfuse Protection Relays & Controls www.littelfuse.com/ct200 Rev: 1-A-111215