APC SY125K250DL-PDNB Symmetra PX 125kW Scalable to 250kW

Deliver uninterrupted power for mission-critical IT, security and surveillance systems with the APC by Schneider Electric Symmetra PX 125kW Double Conversion Online UPS. Designed for medium to large data centers, this modular UPS provides a scalable path from 125kW to 250kW of protected power, ensuring capacity growth without costly rip-and-replace cycles. The high-performance 3-phase topology and industry-leading efficiency reduce operating and cooling expenses while preserving power quality for servers, storage, monitoring, and physical security equipment.

Symmetra PX supports flexible plant wiring (3P+E and 3P+N+E), and an 8-hour battery recharge time helps restore full backup capability quickly after an event. Built-in network management (Network Management Card 2, SNMP, Web) gives on-premises and remote teams real-time monitoring and alerting to support security operations and uptime SLAs. With a modular, hot-swappable form factor and environmental certifications like RoHS and UL, it’s engineered for reliability and compliance. Contact our sales team to configure a Symmetra PX solution for your data center, security, or surveillance deployment.

• Scalable capacity: start at 125kW and grow to 250kW without downtime, so your power infrastructure keeps pace with business growth.
• Modular, hot-swappable architecture: minimize maintenance windows and reduce Mean Time to Repair (MTTR) for continuous uptime in mission-critical environments.
• High-efficiency 3-phase design: lowers energy and cooling costs while delivering reliable power protection for data centers, security and surveillance systems.
• Integrated network monitoring: SNMP/Web management (Network Management Card 2) enables proactive alerts and remote diagnostics for IT and security teams.
• Built for harsh environments: rated to 40°C and multiple input voltages (400/415/480V) to support diverse installations and resilient operations.