APC ML3-A Phase Module 600/347v 120ka for Modular Panels

Overview
The APC ML3-A Phase Module is a high performance solution designed for use in modular power distribution panels. Engineered to handle up to 600 volts line-to-line and 347 volts line-to-neutral, this module provides reliable phase monitoring and fault protection for critical electrical systems. Its compact form factor fits seamlessly into standard modular panel configurations, allowing installers to add advanced protection without sacrificing space.

Key Features

• Supports 600 volts line-to-line and 347 volts line-to-neutral operation
• Rated interrupt capacity of 120 kA for high fault current environments
• Modular design compatible with APC panel families
• Easy plug-in installation reduces wiring time
• Built-in diagnostics and status LEDs for quick troubleshooting
• Robust enclosure meets NEMA 4 standards for dust and moisture protection

Technical Specifications

• Model number: ML3-A
• Voltage rating: 600 V L-L / 347 V L-N
• Interrupt rating: 120 kA
• Current rating: 15 A per phase
• Operating temperature range: -40 deg C to 85 deg C
• Enclosure type: NEMA 4, metal housing
• Mounting: Panel mount, plug-in type
• Conductor size: 14 AWG to 6 AWG compatible

Applications
The ML3-A Phase Module is ideal for data centers, telecommunications facilities, industrial automation, and commercial building power distribution. It is commonly used to protect critical loads such as server racks, UPS systems, and HVAC equipment where reliable phase monitoring and high fault current capability are essential. The module also serves well in renewable energy installations, including solar inverters and battery storage systems, where precise phase detection helps maintain system stability.