Eaton Tripp Lite S3MT-100K480V SmartOnline S3MT-Series 3-Phase 100kVA Input Isolation Transformer, Delta 480V to 208V Wye

Secure your UPS and attached equipment with the Eaton Tripp Lite SmartOnline S3MT-Series 3-Phase 100kVA input isolation transformer. Designed to provide reliable 480V → 208V Wye step-down and line isolation, this transformer shields servers, network switches, surveillance cameras and monitoring gear from utility spikes, surges and transients that can cause downtime or data corruption. Rated at 100 kVA with up to 97.7% efficiency and a noise profile under 65 dBA, the S3MT balances performance and energy savings for mission-critical deployments. Built-in safety features — including an output circuit breaker, overheat-sensing relay and three ball-bearing cooling fans — reduce risk and simplify maintenance. The compact stainless steel tower fits tightly packaged electrical rooms and pairs seamlessly with Tripp Lite 80–100kVA S3M-series 3-phase UPS systems. Ideal for data centers, security and surveillance systems, healthcare facilities and manufacturing control rooms, this Eaton Tripp Lite isolation transformer delivers stable power and robust protection where it matters most. Contact your Eaton Tripp Lite reseller to spec this transformer into your UPS power chain or order now to harden your infrastructure.

• Protects UPS and critical equipment by providing 480V to 208V step-down and full line isolation to reduce downtime and data loss
• High efficiency (up to 97.7%) and low noise (<65 dBA) lower operating costs and suit sensitive environments like data centers, security and monitoring rooms
• Built-in output circuit breaker, overheat relay and cooling fans for integrated overload and thermal protection
• Compact tower footprint and rugged stainless steel housing for quick installation alongside 80–100kVA S3M-series UPS systems
• TAA-compliant design and commercial-grade reliability for government, healthcare, manufacturing and enterprise IT deployments