APC PD3P150AT3B 3-Pole Circuit Breaker, T3 Type for Symmetra PX250/500kW, 150A

Designed to keep mission-critical systems online, the APC by Schneider Electric PD3P150AT3B 3-pole circuit breaker delivers dependable 150A protection for Symmetra PX250/500kW UPS installations. As a T3 type breaker engineered for three-phase environments, it stabilizes power distribution across UPS strings to reduce nuisance trips and protect servers, networking gear, security appliances and surveillance systems from overloads.

This APC circuit breaker is factory tested and backed by industry certifications (UL, CE, RoHS), giving IT and facilities teams confidence when scaling data center power or performing scheduled maintenance. The PD3P150AT3B’s direct compatibility with Symmetra PX units streamlines replacements and minimizes downtime—critical when uptime, monitoring and physical security depend on uninterrupted power.

Installers and managers benefit from a compact, lightweight design that simplifies handling and reduces service windows. Whether you are upgrading UPS protection, supporting security camera arrays, or expanding enterprise monitoring infrastructure, this breaker provides a proven, compliant solution. Order the PD3P150AT3B to protect your Symmetra PX deployment and maintain continuous operation for your critical systems.

• Ensures high uptime for critical infrastructure by providing reliable 150A overcurrent protection
• Direct compatibility with Symmetra PX250/500kW UPS for fast, tool-free replacement and simplified maintenance
• 3-pole T3 design improves power stability across three-phase systems to protect servers, security and surveillance equipment
• Factory-tested and UL/CE/RoHS certified to meet data center compliance and environmental standards
• Supports scalable power distribution so you can expand the UPS capacity without compromising monitoring or availability
• Lightweight, compact form factor reduces install time and helps maintain tidy rack and equipment layouts