⚡ IEEE 446 / CBEMA (SCR Solid-State Transfer Time <4ms, 1/4-Cycle Power Continuity)

Static Transfer Switch (STS) Transfer Time Calculator

Size Silicon Controlled Rectifier (SCR) solid-state Static Transfer Switches (STS / Vertiv Liebert / Eaton / Schneider Electric) for mission-critical Tier IV data centers under IEEE 446 & CBEMA / ITIC curves: calculate seamless source transfer speed (<4 milliseconds or 1/4 cycle during preferred source failure), prevent server reboot, and critical power profits.

1. Project & Operating Inputs

Critical Server Load (kVA e.g. 600 kVA High-Density Data Hall)

Rated System Voltage (Volts AC e.g. 480V 3-Phase 4-Wire)

Customer Bid Price for Supplied & Integrated Free-Standing STS ($)

Vertiv 800A High-Speed SCR Static Switch, Dual Power Logic, Electrician ($)

2. Financial Breakdown & Yield

IEEE 446 STATIC SWITCHES

Turnkey Dual-Source STS Deployment Profit

Critical Power Infrastructure Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Direct Cost