Eaton Bypass Power Module (BPM), 3U, Hardwired Input

Overview

The Eaton BPM125HW is a bypass power module designed to integrate a maintenance bypass switch and power distribution unit into a single 3U enclosure. It supports hardwired split-phase input up to 125 amps and is compatible with Eaton 9170+, 9155, and 9PXSP UPS systems ranging from 8 to 10 kVA. This module enables technicians to quickly switch a UPS to bypass mode, allowing maintenance or replacement without interrupting power to critical equipment.

Its compact size fits standard 19-inch racks, making it suitable for data centers, telecom rooms, edge computing closets, and industrial control cabinets where uptime and efficient maintenance are essential.

Key features

• Combines maintenance bypass and power distribution in one unit to reduce wiring complexity and installation time
• Hardwired split-phase input rated for up to 125 amps to handle substantial power loads safely
• Compatible with Eaton UPS models from 8 to 10 kVA, ensuring seamless integration with existing systems
• Compact 3U form factor saves valuable rack space for additional servers, storage, or networking equipment
• Durable metal chassis with a black finish provides a professional look and reliable protection
• Allows quick isolation of the UPS during maintenance without shutting down connected loads
• Backed by a two-year limited warranty for long-term reliability and peace of mind

Key specs

• Form factor: 3 rack units (3U)
• Input type: Hardwired split-phase
• Current rating: Up to 125 amps
• Compatible UPS models: Eaton 9170+, 9155, 9PXSP (8 to 10 kVA)
• Dimensions: 5.1 inches (height) x 17.3 inches (width) x 26.5 inches (depth)
• Chassis material: Metal with black finish
• Warranty: Two-year limited warranty

Installation and setup

The BPM125HW is designed for straightforward installation in any standard 19-inch rack, minimizing the need for additional wiring by combining bypass and distribution functions. Its hardwired input requires professional electrical connection, ensuring a secure and stable power path. The compact size and integrated design help reduce setup time and free rack space for other critical equipment.

Ideal uses and environments

This bypass power module fits well in environments where continuous power is critical and maintenance windows are limited. It is a strong choice for small to medium data centers, telecom rooms, edge computing closets, and industrial control cabinets. Facility managers benefit from the ability to perform UPS maintenance or replacement without disrupting power to essential systems, supporting high availability and operational continuity.