Eaton BPM Bypass Power Module, Wall-Mount/Rackmount, 3U, Black, Split-phase (L1, L2, N, G), 9PXM, 9170+, 9155, 9PXSP 8-10K, 1, HW (50-125A), 6) 5-20R, (3) L6-30R

Overview

The Eaton BPM125ER is a bypass power module designed to maintain continuous power to critical equipment while servicing or replacing compatible Eaton UPS systems. It integrates a maintenance bypass switch with a power distribution unit, streamlining installation and reducing wiring complexity. This module supports Eaton 9PXM, 9170+, 9155, and 9PX 8-10 kVA UPS models, providing a safe and efficient way to transfer loads between UPS power and utility input without interruption.

Its 3U enclosure fits standard racks and includes wall-mount brackets, making it adaptable to various IT environments such as data centers, branch offices, and retail back rooms. The hardwired input supports 50-125 amps, ensuring a reliable connection to building power, while the split-phase output offers balanced load distribution with L1, L2, neutral, and ground conductors.

Key features

• Combines maintenance bypass switch and power distribution in a single unit to simplify power management and reduce installation time
• Supports continuous operation of servers, storage, and network equipment during UPS maintenance or replacement
• Flexible mounting options with a 3U rack form factor and wall-mount brackets for versatile installation
• Hardwired input rated for 50-125 amps provides a secure and stable power connection
• Six 5-20R outlets supply 120-volt devices, while three L6-30R outlets accommodate 208-volt equipment, covering a range of power needs
• Split-phase design with L1, L2, neutral, and ground conductors enables balanced load distribution and easier cable management
• Lock-out and tag-out points enhance technician safety by supporting established electrical safety procedures
• Reduces electrical installation costs by combining multiple functions into one compact module

Key specs

• Compatible UPS models: Eaton 9PXM, 9170+, 9155, 9PX 8-10 kVA
• Enclosure size: 3 rack units (3U)
• Input rating: hardwired 50-125 amps
• Output outlets: six 5-20R (120 V), three L6-30R (208 V)
• Phase type: split-phase (L1, L2, neutral, ground)
• Mounting options: rackmount and wall-mount brackets included

Connectivity and compatibility

This module is engineered to work seamlessly with specific Eaton UPS models, ensuring compatibility with 8-10 kVA systems commonly used in small to mid-size data centers and branch offices. The combination of 120-volt and 208-volt outlets supports a variety of connected devices, from standard IT equipment to higher-power network gear. Its split-phase output simplifies power distribution and helps maintain balanced electrical loads, which is critical for stable operation in sensitive environments.

Ideal uses and environments

The Eaton BPM125ER fits well in environments where uptime is critical and maintenance must be performed without powering down equipment. It is a strong choice for small and mid-size data centers, branch offices, retail back rooms, and edge locations that rely on continuous power for servers, storage arrays, and networking devices. By enabling safe and efficient UPS maintenance, it helps IT teams minimize downtime and maintain operational continuity.