... Power Transformer Key Specifications/Special Features:Dimensions in mm (inches): A, B, C1, C2, E1, E2, E3, F, FIG RM-4 ... 1.8, C2=3.6, E1=10.8, E2=14.4, F=12.6, FIG=1 RM-6: terminal pins ... 5, C1=3.6, C2=7.2, E1=14.4, E2=18, E3=21.6, F=24, FIG=1 ... C1=28, E1=3.8, E2=5.12, F=39.4, FIG=2 RM-12: terminal pins = 12, A=24 ... , A=29, B=43.4, C1=35.6, E1=5.08, E2=7.62, F=48.4, FIG=2 Telecommunication Power Transformer