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MX28B1200/2400 MX28B1200/4800 –48 VDC User’s Manual Page 15
the Wago connectors based on what bay the circuit breaker tiers are in. Typical circuit breaker
numbering is bay 1: Cir Bkr 1-48, Bay 2: Cir Bkr 49-50, Bay 3: Cir Bkr 51-52 and Bay 4: Cir Bkr
53-54. Figure 3.6-1 shows the power plant’s main bay (with ribbon cables) DC distribution
section with the front cover opened.
Figure 3.6-1 DC Distribution (Front Cover Opened)
Available plug-in circuit breakers are shown in Figure 3.6-2. These are only breakers and do
not include any hardware.
Plug-in circuit breakers rated at 60A or more require two mounting positions and require a circuit
breaker adapter, which is included in the circuit breaker kit. Adaptors are available with studs
for #10-32 nuts on 5/8” centers, #10-32 nuts on ¾” centers, or ¼-20 nuts on 1” centers. The
circuit breaker kit includes all necessary mounting hardware. Available plug-in circuit breakers
are shown in Figure 3.6-2.
BREAKER
RATING
PART NUMBER
BREAKER
RATING
PART NUMBER
1 A FFA-0014 40 A FFA-0020
3 A FFA-0015 50 A FFA-0025
5 A FFA-0016 60 A 530-9088