General Information (MMS System Cabinet)
The system cabinet for the multiple module system (MMS) contains most the electronic control circuitry for the system. The MMS cabinet manages many UPS operations.
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Illustration 1 | g01267882 |
Left view of the MMS system cabinet (1) Fans (2) Modem\Ethernet (3) Left panel (4) Zig - Zag circuit breaker (4-wire) (5) Motorized circuit breaker (K3) (6) Zig - Zag transformer (T5) |
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Illustration 2 | g01267885 |
Right view of the MMS system cabinet (7) Static bypass option (8) Right panel |
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Illustration 3 | g03428043 |
Front view of the MMS system cabinet (9) MOV 2 surge protector (10) MMU 1 input isolation switch (11) MMU 1 output isolation switch (12) MMU 2 input isolation switch (13) MMU 2 output isolation switch (14) MMU 3 input isolation switch (15) MMU 3 output isolation switch (16) MMU 4 input isolation switch (17) MMU 4 output isolation switch (18) MOV 1 surge protector (19) Primary current transformers |
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Illustration 4 | g01267899 |
Left panel of the MMS system cabinet (20) Fan monitor PWA (21) Power distribution capacitors (22) Modem power transformer T4 (23) Power distribution PWA (24) Modem power supply (25) Parallel cabinet controller PWA (26) ESS fuses F4 - F6 (27) EPO reset switch (28) 24 VDC power supplies (29) Parallel cabinet interface PWA (30) Transformer T2 (31) Transformer T1 (32) AC interface PWA (33) Secondary current transformers (34) System I/O PWA (35) Transformer T3 (36) Fuses F7 - F12 (37) System I/O daughter PWA (38) External source sync (ESS) relay |
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Illustration 5 | g01267903 |
Right panel of the MMS system cabinet (40) Fuses (F1, F2, F3) (41) Static switch assembly (42) Ground reference assembly (43) Neutral reference assembly |
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