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MX28B-1200+27V PRODUCT MANUAL Rev 1
18
5.7 Alarm Connections
The alarm connections for all rectifiers, breakers, and fuses are factory pre-wired. The MX28B DC
power plant, however, permits the user to program the system alarms in various ways. A Printed
Circuit (PC) board designated “0P9133” is mounted in the space above the master control unit and
provides terminal block connection points for alarm outputs and alarm inputs (Figure 5-7). These
cage-clamp terminal blocks are operated by pushing back the lever, inserting the wire and then
releasing the lever to clinch the connection. Recommended wire size is #28 AWG to #20 AWG.
Figure 5-8 Alarm Interface PC Board
Alarm Outputs Alarm Inputs