Littelfuse Current Transducer, Series: TCSA, 0 to 20 A Input, 10 to 30 V DC, 4 to 20 mA Output, +/-0.25 % Accuracy, Male Quick-Connect Terminal Electrical Connections, Surface Mounting, -30 to 60 deg F, 95% Relative Non-Condensing Humidity, 2 x 2 x 1-3/4 in