This Transformer is Specially designed to match the ground fault input of the GE Multilin relays. Special care is taken in manufacturing the transformer to ensure correct perforamce of relay. The CT is a 50:0.025A (2000:1 ratio) and can sense low leakage currents over the relays range with minimum error. Flexible leads are UL 3134 150 degree C. CSA approved, # 20 AWG 24" long. Window size of 5.75" and Non-standard length to be specifed. Terminals are brass no. 10-32 UNC. Additional ratios available, and the approximate weight is 7 lb. Proudly Made in the USA