19G 



THE BELL SYSTEM TECHNICAL JOURNAL, JANITARY 1954 



O 0.8 

 ■? 0.6 



0.4 

 0.3 



0.01 0.02 0.04 0.06 0.1 0.2 0.4 0.6 0.8 1.0 2 



Fig. 6 — General relation between release time and ampere turns. 



8 10 15 20 



AMPERE TURNS TO RELEASE 



40 50 60 



Fig. 7 — Observed release time characteristics. 



