This manual describes installation, operation, and maintenance of the MX28B1200/2400 MX28B1200/4800 -48 VDC power system.
The APC MX28B series is a modular, stand‑alone -48 VDC power plant designed for commercial and industrial use. It supports a wide range of current capacities (50‑4800 A) and can be configured with various circuit breakers and fuses. The system is supplied from a nominal 220 VAC, 50/60 Hz source and includes monitoring and control functions via a control unit.
This manual covers safety procedures, unpacking, mechanical and electrical installation, commissioning, preventive maintenance, operation, remote monitoring, specifications, and warranty information. Detailed wiring diagrams, connection instructions, and troubleshooting steps are provided to help users install and maintain the power plant safely and efficiently.
| Input Voltage | 220 VAC, 50/60 Hz |
|---|---|
| Maximum Current (MX28B‑1200/2400) | 2400 A |
| Expandable Current (MX28B‑1200/4800) | 4800 A |
| Circuit Breaker Rating | 1 A to 700 A |
| Fuse Rating | 70 A to 600 A |
| Supported Current Range | 50 A to 4800 A |
The system is supplied from a nominal 220 VAC source at 50/60 Hz.
It can deliver up to 2400 amps of current.
Yes, the MX28B‑1200/4800 can be expanded to a maximum of 4800 amps.