MX28B-PDF Product Manual | | | Revision A |
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BREAKER | PART NUMBER | | BREAKER | PART NUMBER |
RATING | | | RATING | |
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1 A | FFA-0014 | | 20 A | FFA-0018 |
3 A | FFA-0015 | | 30 A | FFA-0019 |
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5 A | FFA-0016 | | 40 A | FFA-0020 |
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10 A | FFA-0017 | | 50 A | FFA-0025 |
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15 A | FFA-0028 | | | |
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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 |
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| ¼” stud | FFA-0021-3 | FFA-0022-3 | FFA-0023-3 | FFA-0024-3 |
| 1” centers |
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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
