APC 0M-STSU100HZ4 Static Transfer Switch, Upsilon STS 100, 4-Pole, 380-415V, 1900mm

Protect critical infrastructure with fast, reliable power failover. The APC by Schneider Electric Upsilon STS 100 static transfer switch is a high-performance UPS accessory engineered to deliver instant, seamless switching between power sources so security, surveillance and monitoring systems remain online without interruption. Built for three-phase environments, the STS 100 features a 4-pole configuration and supports 380–415V supplies to meet industrial and data center requirements. Its 1900mm chassis is designed for compact rack or cabinet integration, making deployment alongside existing UPS, networking and monitoring hardware straightforward. Solid-state transfer technology minimizes switching time and mechanical wear, reducing maintenance and operational risk while maximizing uptime for CCTV, access control, and other mission-critical applications. Backed by APC’s proven reliability, this static transfer switch is ideal for facilities that require continuous power resilience. Contact your APC reseller to specify the Upsilon STS 100 for your next security or data center project and ensure uninterrupted operation of vital systems.

• Ensures instantaneous, seamless power transfer to protect critical security, surveillance and monitoring systems from downtime
• 4-pole design supporting 380–415V three-phase installations for reliable industrial and data center power management
• Space-efficient 1900mm chassis simplifies integration into standard racks and cabinets alongside UPS and networking equipment
• Solid-state operation eliminates mechanical switching delays and reduces maintenance, improving overall system uptime
• Engineered by APC by Schneider Electric for compatibility with existing UPS infrastructure and remote monitoring tools