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GE Zenith Controls
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ZTG/ZTGD Operation and Maintenance Manual (70
R
-1000D)
Power Panel and Replacement Parts
(cont’d)
Delayed Transition - 800 to 1200 Amps
SCR-N/SCR-E
SCR
PS-8896
SCR-NO/SCR-EO
MOVABLE CONTACT
ARC GRID
STATIONARY CONTACT
SE1, 2, 3, 4
SN1, 2, 3, 4
A3
TERMINAL
BLOCKS
A4
TERMINAL
BLOCKS
T1
T2
T3
N1
N2
N3
SCR-N
E1
E2
E3
SCR-NO
SCR-EO
SCR-E