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MX28B1200/2400 MX28B1200/4800 –48 VDC User’s Manual Page v
Revision History
Revision Date By Description
1 31 JAN, 2002 JNF Converted to APC numbering
2 28 SEP, 2003 BET Updated Format and added 4800
Table of Figures
FIGURE 2.2-1 MX28B-1200 –48 VDC POWER PLANT RECTIFIER BAY.............................................3
FIGURE 2.2-2 MX28B BLOCK DIAGRAM ...............................................................................................4
FIGURE 3.2-1 FLOOR MOUNTING DIMENSIONS .................................................................................6
FIGURE 3.2-2 MX28B-1200-2400 HAS A MAXIMUM CAPACITY OF 2400 AMPS.............................7
FIGURE 3.2-3 THE MX28B1200-4800 CAN BE EXPANDED TO 4800 AMPS. .....................................7
FIGURE 3.2-4 SPLICE PLATE INSTALLATION ......................................................................................7
FIGURE 3.2-5 CIRCUIT BREAKER / LVD EXPANSION BOARD .........................................................8
FIGURE 3.2-6 WAGO FUSE ALARM BREAKOUT BOARD ..................................................................9
FIGURE 3.3-1 AC INPUT WIRING...........................................................................................................10
FIGURE 3.4-1 BATTERY CABLE CONNECTION LOCATIONS..........................................................12
FIGURE 3.4-2 BATTERY PROBE CONNECTION..................................................................................13
FIGURE 3.4-3 BATTERY PROBE INSTALLATION ..............................................................................13
FIGURE 3.5-1 DC SYSTEM GROUNDING .............................................................................................14
FIGURE 3.5-2 BOX FRAME GROUND....................................................................................................14
FIGURE 3.6-1 DC DISTRIBUTION (FRONT COVER OPENED) ..........................................................15
FIGURE 3.6-2 PLUG-IN CIRCUIT BREAKERS ......................................................................................16
FIGURE 3.6-3 PLUG-IN CIRCUIT BREAKER KITS ..............................................................................16
FIGURE 3.6-4 BOLT-IN CIRCUIT BREAKERS ......................................................................................17
FIGURE 3.6-5 TELECOM FUSES .............................................................................................................18
FIGURE 3.7-1. INSTALLATION OF CIRCUIT BREAKERS..................................................................19
FIGURE 3.7-2 CIRCUIT BREAKER ALARM WIRING..........................................................................20
FIGURE 3.7-3 GMT FUSE TEMPERATURE DE-RATING CHART......................................................21
FIGURE 3.8-1 LOAD CONNECTIONS FOR SNAP-IN BREAKERS .....................................................23
FIGURE 3.8-2 RETURN CONNECTIONS................................................................................................23
FIGURE 3.9-1 INTERFACE BOARD........................................................................................................24
FIGURE 3.9-2 OUTPUT RELAY CONNECTIONS..................................................................................25
FIGURE 3.10-1 EXTERNAL ALARM INPUT DEFINITION ..................................................................25
FIGURE 3.10-2 EXTERNAL ALARM INPUT CONNECTIONS ............................................................25
FIGURE 5.6-1 MENU TOP LINE ..............................................................................................................36