American Power Conversion MX28B4800, MX28B2400 manual 6-1 DC Distribution Front Cover Opened

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 3.6-1shows 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	PART NUMBER	BREAKER	PART NUMBER
RATING		RATING
1 A	FFA-0014	40 A	FFA-0020
3 A	FFA-0015	50 A	FFA-0025
5 A	FFA-0016	60 A	530-9088

MX28B1200/2400 MX28B1200/4800 –48 VDC User’s Manual Page 15