American Power Conversion MX28B-PDF manual 100A, Indicators and Alarms, 3 Meter Assembly

MX28B-PDF Product Manual			Revision A
BREAKER	PART NUMBER	BREAKER	PART NUMBER
RATING		RATING
1 A	FFA-0014	20 A	FFA-0018
3 A	FFA-0015	30 A	FFA-0019
5 A	FFA-0016	40 A	FFA-0020
10 A	FFA-0017	50 A	FFA-0025
15 A	FFA-0028

Table2.1 Plug-in Circuit Breakers

	60A	70A	80A	100A
#10 stud	FFA-0021-1	FFA-0022-1	FFA-0023-1	FFA-0024-1
5/8” centers
#10 stud	FFA-0021-2	FFA-0022-2	FFA-0023-2	FFA-0024-2
3/4” centers
¼” stud	FFA-0021-3	FFA-0022-3	FFA-0023-3	FFA-0024-3
1” centers

Table 2.2 Circuit Breaker kits

2.3 Indicators and Alarms

2.3.1 Meters

The MX28B-PDF power distribution frame has a meter assembly, P/N OM-9275 located below the top cabinet door, for displaying bus voltage and current. A six position rotary switch selects which breaker tier is to be monitored. Voltmeter accuracy is ± 0.5%; ammeter accuracy is ± 1.0%. Also displayed are power and circuit breaker trip status.

Figure 2-3 Meter Assembly

8 APC