Filter
Top Products
MX28B1200/2400 MX28B1200/4800 –48 VDC User’s Manual Page ii
Table of Contents
1 SAFETY FIRST! .....................................................................................................................1
1.1. WARNING SYMBOLS .........................................................................................................1
1.2. GENERAL PRECAUTIONS: ..................................................................................................1
2 INTRODUCTION ....................................................................................................................2
2.1. GENERAL INFORMATION....................................................................................................2
2.2. HOW TO USE THIS MANUAL ..............................................................................................2
3 INSTALLATION .....................................................................................................................5
3.1. UNPACKING EQUIPMENT ...................................................................................................5
3.2. MECHANICAL INSTALLATION ..............................................................................................5
Room / Location......................................................................................................................5
Mounting.................................................................................................................................6
Power Bus Connections .........................................................................................................6
Circuit Breaker/LVD Ribbon Cable Connections.....................................................................8
Fuse Alarm Ribbon Cable Connections..................................................................................9
Ventilation...............................................................................................................................9
3.3. AC POWER CONNECTIONS ...............................................................................................9
3.4. BATTERY CONNECTIONS .................................................................................................11
Planning the Battery Installation ...........................................................................................11
Connecting the Battery Cables .............................................................................................12
3.5. DC SYSTEM GROUNDING ...............................................................................................13
3.6. DC POWER OUTPUT OVER-CURRENT PROTECTION..........................................................14
DC Plug-in Circuit Breakers..................................................................................................14
DC Bolt-in Circuit Breakers...................................................................................................17
Telecom Fuses .....................................................................................................................18
3.7. I
NSTALLATION OF CIRCUIT BREAKERS AND FUSES.............................................................19
Plug-in Circuit Breaker Installation........................................................................................19
Bolt-in Circuit Breaker Installation.........................................................................................20
Telecom Fuse Installation.....................................................................................................21
GMT Fuse Installation...........................................................................................................21
3.8. LOAD CONNECTIONS ......................................................................................................22
Cable Size Considerations ...................................................................................................22
Circuit Breaker Connections (1 to 50 Amps).........................................................................22
Circuit Breaker Connections (60-100 Amps) ........................................................................22
Return Connections (1-100 Amps) .......................................................................................22
GMT Fuse Connections........................................................................................................23
3.9. M
ONITORING AND RELAY OUTPUT CONNECTIONS .............................................................23
Front Panel DB9 Connection ................................................................................................23
“Smart” Cable DB9 Connection ............................................................................................23
RJ45 Ethernet Connector .....................................................................................................24
Relay Output Connections....................................................................................................24