Littelfuse EFCT-1, EFCT Series, Earth-Fault Current Transformer, 600V, 3.2” Window Size

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The EFCT series is a sensitive nickel-core current transformer used with Littelfuse relays to detect low levels of earth-leakage current. Specifications Turns Ratio 100:1 Current R ating 5:0.05 A Accuracy 3% @ 0.01 VA Frequency 50 to 400 Hz10 to 6 kHz for EL731 Insulation Level 600V Operating Temperature -55 to 60ºC (-67 to 140ºF) Mounting Screws M4 OR 8-32. Application EL731, FPU-32, FPS, MPU-32, MPS,SE-330, SE-701, SE-703 Certification CSA, UL, CE Compliance RoHS, IEC 60044-1 Show more