26 GE Zenith Controls
ZTG/ZTGD Operation and Maintenance Manual (70R-1000D)
Power Panel and Replacement Parts

Standard Transition - 40 to 260 Amps Solenoid Type

--
T1 T2 T3 TN
E1 E2 E3 EN
N1 N2 N3 NN
SCR-N
SCR-E
CN/CE
SCN/SCE